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Self-reciprocating energy recovery device
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Patent number 7,828,972
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Issue date Nov 9, 2010
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Korea Institute of Machinery & Materials
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Young-Bog Ham
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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-
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Ring for concrete pump
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Patent number 6,857,861
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Issue date Feb 22, 2005
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Kennametal Inc.
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Gary J. Condon
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Air driven devices and components therefor
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Patent number 6,435,845
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Issue date Aug 20, 2002
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Wilden Pump & Engineering Co.
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Dennis E. Kennedy
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Air drive pumps and components therefor
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Patent number 6,152,705
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Issue date Nov 28, 2000
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Wilden Pump & Engineering Co.
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Dennis E. Kennedy
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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-
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Double piston portioning apparatus
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Patent number 5,071,326
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Issue date Dec 10, 1991
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Marlen Research Corporation
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William R. Wright
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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-
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Pumping apparatus for wet concrete
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Patent number 3,994,627
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Issue date Nov 30, 1976
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Fogt Industriemaschinenvertretung A.G.
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Sergio Calzolari
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B28 - WORKING CEMENT, CLAY, OR STONE
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3860035
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Patent number 3,860,035
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Issue date Jan 14, 1975
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3741078
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Patent number 3,741,078
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Issue date Jun 26, 1973
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3704967
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Patent number 3,704,967
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Issue date Dec 5, 1972
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3667869
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Patent number 3,667,869
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Issue date Jun 6, 1972
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3647325
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Patent number 3,647,325
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Issue date Mar 7, 1972
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3597113
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Patent number 3,597,113
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Issue date Aug 3, 1971
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G05 - CONTROLLING REGULATING
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3587236
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Patent number 3,587,236
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Issue date Jun 28, 1971
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3545893
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Patent number 3,545,893
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Issue date Dec 8, 1970
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3507347
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Patent number 3,507,347
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Issue date Apr 21, 1970
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B60 - VEHICLES IN GENERAL
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3326135
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Patent number 3,326,135
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Issue date Jun 20, 1967
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3279382
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Patent number 3,279,382
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Issue date Oct 18, 1966
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B60 - VEHICLES IN GENERAL
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3245801
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Patent number 3,245,801
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Issue date Apr 12, 1966
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES