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                        Waste heat steam generator
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                                    Patent number 4,136,643
                                
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                                    Issue date Jan 30, 1979
                                
 
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                                         Sulzer Brothers Limited Sulzer Brothers Limited
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                                         Emile  Aguet Emile  Aguet
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3580226
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                                    Patent number 3,580,226
                                
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                                    Issue date May 25, 1971
                                
 
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                                         F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT... F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
 
 
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                        3451378
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                                    Patent number 3,451,378
                                
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                                    Issue date Jun 24, 1969
                                
 
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                                         E21 - EARTH DRILLING MINING E21 - EARTH DRILLING MINING
 
 
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                        3426734
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                                    Patent number 3,426,734
                                
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                                    Issue date Feb 11, 1969
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3291106
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                                    Patent number 3,291,106
                                
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                                    Issue date Dec 13, 1966
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3267908
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                                    Patent number 3,267,908
                                
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                                    Issue date Aug 23, 1966
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3246635
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                                    Patent number 3,246,635
                                
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                                    Issue date Apr 19, 1966
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3202135
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                                    Patent number 3,202,135
                                
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                                    Issue date Aug 24, 1965
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3202138
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                                    Patent number 3,202,138
                                
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                                    Issue date Aug 24, 1965
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3192909
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                                    Patent number 3,192,909
                                
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                                    Issue date Jul 6, 1965
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3171390
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                                    Patent number 3,171,390
                                
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                                    Issue date Mar 2, 1965
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3155074
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                                    Patent number 3,155,074
                                
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                                    Issue date Nov 3, 1964
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3150644
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                                    Patent number 3,150,644
                                
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                                    Issue date Sep 29, 1964
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3146762
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                                    Patent number 3,146,762
                                
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                                    Issue date Sep 1, 1964
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3135250
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                                    Patent number 3,135,250
                                
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                                    Issue date Jun 2, 1964
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3135252
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                                    Patent number 3,135,252
                                
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                                    Issue date Jun 2, 1964
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3105469
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                                    Patent number 3,105,469
                                
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                                    Issue date Oct 1, 1963
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3096743
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                                    Patent number 3,096,743
                                
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                                    Issue date Jul 9, 1963
                                
 
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                                         F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
 
 
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                        3090332
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                                    Patent number 3,090,332
                                
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                                    Issue date May 21, 1963
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3060907
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                                    Patent number 3,060,907
                                
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                                    Issue date Oct 30, 1962
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3060906
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                                    Patent number 3,060,906
                                
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                                    Issue date Oct 30, 1962
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3060903
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                                    Patent number 3,060,903
                                
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                                    Issue date Oct 30, 1962
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3028844
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                                    Patent number 3,028,844
                                
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                                    Issue date Apr 10, 1962
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        3003441
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                                    Patent number 3,003,441
                                
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                                    Issue date Oct 10, 1961
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        2989039
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                                    Patent number 2,989,039
                                
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                                    Issue date Jun 20, 1961
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION
 
 
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                        2973750
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                                    Patent number 2,973,750
                                
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                                    Issue date Mar 7, 1961
                                
 
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                                         F22 - STEAM GENERATION F22 - STEAM GENERATION