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Particulate trap
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Patent number 4,823,583
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Issue date Apr 25, 1989
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W. R. Grace & Co.-Conn.
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Wesley Bullock
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Suction line accumulator
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Patent number 4,458,505
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Issue date Jul 10, 1984
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Parker-Hannifin Corporation
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Gary E. Griffin
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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3435505
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Patent number 3,435,505
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Issue date Apr 1, 1969
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G05 - CONTROLLING REGULATING
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3403853
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Patent number 3,403,853
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Issue date Oct 1, 1968
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G05 - CONTROLLING REGULATING
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2989976
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Patent number 2,989,976
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Issue date Jun 27, 1961
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1609171
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Patent number 1,609,171
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Issue date Nov 30, 1926
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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702125
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Patent number 702,125
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Issue date Jun 10, 1902
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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698217
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Patent number 698,217
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Issue date Apr 22, 1902
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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585446
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Patent number 585,446
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Issue date Jun 29, 1897
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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577343
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Patent number 577,343
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Issue date Feb 16, 1897
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E03 - WATER SUPPLY SEWERAGE
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559880
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Patent number 559,880
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Issue date May 12, 1896
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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534057
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Patent number 534,057
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Issue date Feb 12, 1895
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E03 - WATER SUPPLY SEWERAGE
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454186
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Patent number 454,186
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Issue date Jun 16, 1891
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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413460
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Patent number 413,460
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Issue date Oct 22, 1889
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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406146
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Patent number 406,146
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Issue date Jul 2, 1889
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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399243
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Patent number 399,243
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Issue date Mar 12, 1889
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E03 - WATER SUPPLY SEWERAGE
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389761
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Patent number 389,761
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Issue date Sep 18, 1888
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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376203
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Patent number 376,203
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Issue date Jan 10, 1888
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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359757
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Patent number 359,757
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Issue date Mar 22, 1887
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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359756
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Patent number 359,756
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Issue date Mar 22, 1887
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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335407
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Patent number 335,407
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Issue date Feb 2, 1886
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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327292
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Patent number 327,292
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Issue date Sep 29, 1885
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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326611
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Patent number 326,611
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Issue date Sep 22, 1885
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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285574
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Patent number 285,574
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Issue date Sep 25, 1883
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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254697
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Patent number 254,697
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Issue date Mar 7, 1882
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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192192
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Patent number 192,192
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Issue date Jun 19, 1877
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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182611
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Patent number 182,611
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Issue date Sep 26, 1876
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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176835
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Patent number 176,835
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Issue date May 2, 1876
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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176372
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Patent number 176,372
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Issue date Apr 18, 1876
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR