- 
                
                
                    
                        Safety hook for patient lift
                    
                                            
                                - 
                                    Patent number 7,654,593
                                
 
                                - 
                                    Issue date Feb 2, 2010
                                
 
                        
                                            
                                - 
                                        
                                    Ergolet A/S
                                 
                                - 
                                        
                                    Mogens  Hjort
                                 
                        
                                            
                                - 
                                        
                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 
                        
                 
             
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                        Clip
                    
                                            
                                - 
                                    Patent number 6,412,152
                                
 
                                - 
                                    Issue date Jul 2, 2002
                                
 
                        
                                            
                                - 
                                        
                                    G3 Genuine Guide Gear Inc.
                                 
                                - 
                                        
                                    Harold Edward Ayliffe
                                 
                        
                                            
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                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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                        Safety rope hook
                    
                                            
                                - 
                                    Patent number 5,517,735
                                
 
                                - 
                                    Issue date May 21, 1996
                                
 
                        
                                            
                                - 
                                        
                                    James  Tsai
                                 
                        
                                            
                                - 
                                        
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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                        Trigger-closing carabiner
                    
                                            
                                - 
                                    Patent number 5,416,955
                                
 
                                - 
                                    Issue date May 23, 1995
                                
 
                        
                                            
                                - 
                                        
                                    Robert W. Katsma
                                 
                        
                                            
                                - 
                                        
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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                        Automatically closing carabiner
                    
                                            
                                - 
                                    Patent number 5,210,914
                                
 
                                - 
                                    Issue date May 18, 1993
                                
 
                        
                                            
                                - 
                                        
                                    Robert W. Katsma
                                 
                        
                                            
                                - 
                                        
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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                        Self-locking snap-hook
                    
                                            
                                - 
                                    Patent number 5,187,844
                                
 
                                - 
                                    Issue date Feb 23, 1993
                                
 
                        
                                            
                                - 
                                        
                                    Etablissements Ludger Simond, Societe Anonyme
                                 
                                - 
                                        
                                    Ludger  Simond
                                 
                        
                                            
                                - 
                                        
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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            - 
                
                
                    
                        Self-closing carabiner
                    
                                            
                                - 
                                    Patent number 5,005,266
                                
 
                                - 
                                    Issue date Apr 9, 1991
                                
 
                        
                                            
                                - 
                                        
                                    Alpcan SA
                                 
                                - 
                                        
                                    Christian  Fister
                                 
                        
                                            
                                - 
                                        
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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                        Hook assembly
                    
                                            
                                - 
                                    Patent number 4,767,144
                                
 
                                - 
                                    Issue date Aug 30, 1988
                                
 
                        
                                            
                                - 
                                        
                                    Gunnar  Hornberg
                                 
                        
                                            
                                - 
                                        
                                    B66 - HOISTING LIFTING HAULING
                                 
                        
                 
             
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                        3741600
                    
                                            
                                - 
                                    Patent number 3,741,600
                                
 
                                - 
                                    Issue date Jun 26, 1973
                                
 
                        
                                                                
                                - 
                                        
                                    B66 - HOISTING LIFTING HAULING
                                 
                        
                 
             
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                        3698047
                    
                                            
                                - 
                                    Patent number 3,698,047
                                
 
                                - 
                                    Issue date Oct 17, 1972
                                
 
                        
                                                                
                                - 
                                        
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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                        3177839
                    
                                            
                                - 
                                    Patent number 3,177,839
                                
 
                                - 
                                    Issue date Apr 13, 1965
                                
 
                        
                                                                
                                - 
                                        
                                    E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
                                 
                        
                 
             
            - 
                
                
                    
                        2942315
                    
                                            
                                - 
                                    Patent number 2,942,315
                                
 
                                - 
                                    Issue date Jun 28, 1960
                                
 
                        
                                                                
                                - 
                                        
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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                        2928692
                    
                                            
                                - 
                                    Patent number 2,928,692
                                
 
                                - 
                                    Issue date Mar 15, 1960
                                
 
                        
                                                                
                                - 
                                        
                                    B66 - HOISTING LIFTING HAULING
                                 
                        
                 
             
            - 
                
                
                    
                        2857644
                    
                                            
                                - 
                                    Patent number 2,857,644
                                
 
                                - 
                                    Issue date Oct 28, 1958
                                
 
                        
                                                                
                                - 
                                        
                                    B66 - HOISTING LIFTING HAULING
                                 
                        
                 
             
            - 
                
                
                    
                        2653368
                    
                                            
                                - 
                                    Patent number 2,653,368
                                
 
                                - 
                                    Issue date Sep 29, 1953
                                
 
                        
                                                                
                                - 
                                        
                                    B64 - AIRCRAFT AVIATION COSMONAUTICS
                                 
                        
                 
             
            - 
                
                
                    
                        2637088
                    
                                            
                                - 
                                    Patent number 2,637,088
                                
 
                                - 
                                    Issue date May 5, 1953
                                
 
                        
                                                                
                                - 
                                        
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
            - 
                
                
                    
                        2429969
                    
                                            
                                - 
                                    Patent number 2,429,969
                                
 
                                - 
                                    Issue date Oct 28, 1947
                                
 
                        
                                                                
                                - 
                                        
                                    B66 - HOISTING LIFTING HAULING
                                 
                        
                 
             
            - 
                
                
                    
                        2284006
                    
                                            
                                - 
                                    Patent number 2,284,006
                                
 
                                - 
                                    Issue date May 26, 1942
                                
 
                        
                                                                
                                - 
                                        
                                    B66 - HOISTING LIFTING HAULING
                                 
                        
                 
             
            - 
                
                
                    
                        2036135
                    
                                            
                                - 
                                    Patent number 2,036,135
                                
 
                                - 
                                    Issue date Mar 31, 1936
                                
 
                        
                                                                
                                - 
                                        
                                    B66 - HOISTING LIFTING HAULING
                                 
                        
                 
             
            - 
                
                
                    
                        1956786
                    
                                            
                                - 
                                    Patent number 1,956,786
                                
 
                                - 
                                    Issue date May 1, 1934
                                
 
                        
                                                                
                                - 
                                        
                                    B66 - HOISTING LIFTING HAULING
                                 
                        
                 
             
            - 
                
                
                    
                        1839838
                    
                                            
                                - 
                                    Patent number 1,839,838
                                
 
                                - 
                                    Issue date Jan 5, 1932
                                
 
                        
                                                                
                                - 
                                        
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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                        1688461
                    
                                            
                                - 
                                    Patent number 1,688,461
                                
 
                                - 
                                    Issue date Oct 23, 1928
                                
 
                        
                                                                
                                - 
                                        
                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
            - 
                
                
                    
                        1655301
                    
                                            
                                - 
                                    Patent number 1,655,301
                                
 
                                - 
                                    Issue date Jan 3, 1928
                                
 
                        
                                                                
                                - 
                                        
                                    A22 - BUTCHERING MEAT TREATMENT PROCESSING POULTRY OR FISH
                                 
                        
                 
             
            - 
                
                
                    
                        1611197
                    
                                            
                                - 
                                    Patent number 1,611,197
                                
 
                                - 
                                    Issue date Dec 21, 1926
                                
 
                        
                                                                
                                - 
                                        
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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                        1595892
                    
                                            
                                - 
                                    Patent number 1,595,892
                                
 
                                - 
                                    Issue date Aug 10, 1926
                                
 
                        
                                                                
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
                    
                        1514772
                    
                                            
                                - 
                                    Patent number 1,514,772
                                
 
                                - 
                                    Issue date Nov 11, 1924
                                
 
                        
                                                                
                                - 
                                        
                                    B66 - HOISTING LIFTING HAULING
                                 
                        
                 
             
            - 
                
                
                    
                        1511917
                    
                                            
                                - 
                                    Patent number 1,511,917
                                
 
                                - 
                                    Issue date Oct 14, 1924
                                
 
                        
                                                                
                                - 
                                        
                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
            - 
                
                
                    
                        1466905
                    
                                            
                                - 
                                    Patent number 1,466,905
                                
 
                                - 
                                    Issue date Sep 4, 1923
                                
 
                        
                                                                
                                - 
                                        
                                    B60 - VEHICLES IN GENERAL