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Aeration system and method
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Patent number 7,377,497
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Issue date May 27, 2008
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Philadelphia Gear Corporation
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Robert Peter Dowd
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C01 - INORGANIC CHEMISTRY
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Low shear impeller
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Patent number 7,172,337
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Issue date Feb 6, 2007
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Philadelphia Mixing Solutions, a division of Philadelphia Gear Corporation
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Janusz Roszczenko
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Manometric fluid barrier seal
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Patent number 6,464,227
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Issue date Oct 15, 2002
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Philadelphia Gear Corporation
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Wojciech R. Wyczalkowski
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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-
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Valve operator de-clutch mechanism
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Patent number 4,474,078
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Issue date Oct 2, 1984
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Philadelphia Gear Corporation
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Walter J. Denkowski
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hand pump with automatic lock-out
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Patent number 4,460,152
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Issue date Jul 17, 1984
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Philadelphia Gear Corporation
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David A. DiPasquale
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Portable drive unit for valve actuator
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Patent number 4,280,373
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Issue date Jul 28, 1981
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Philadelphia Gear Corporation
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Walter J. Denkowski
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Surface aerator impeller
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Patent number 4,249,863
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Issue date Feb 10, 1981
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Philadelphia Gear Corporation
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John R. Connolly
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Surface aerator impeller
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Patent number 4,163,631
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Issue date Aug 7, 1979
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Philadelphia Gear Corporation
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John R. Connolly
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Gear pump assembly
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Patent number 4,068,740
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Issue date Jan 17, 1978
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Philadelphia Gear Corporation
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Jerome B. Quinn
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Self-synchronizing clutch
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Patent number 4,053,038
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Issue date Oct 11, 1977
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Philadelphia Gear Corporation
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Rolland Clyde Herrick
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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De-clutch mechanism for valve operator
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Patent number 4,022,309
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Issue date May 10, 1977
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Philadelphia Gear Corporation
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Walter J. Denkowski
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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-
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78897181 - CORE
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Serial number 78897181
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Registration number 3302272
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Filing date May 31, 2006
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Philadelphia Gear Corporation
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7 - Machines and machine tools
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78711018 - AIRWING
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Serial number 78711018
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Registration number 3801184
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Filing date Sep 12, 2005
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Philadelphia Gear Corporation
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7 - Machines and machine tools
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78711173
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Serial number 78711173
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Registration number 3183166
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Filing date Sep 12, 2005
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Philadelphia Gear Corporation
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7 - Machines and machine tools
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-
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78281990 - WESTECH
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Serial number 78281990
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Registration number 2966299
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Filing date Aug 1, 2003
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Philadelphia Gear Corporation
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7 - Machines and machine tools
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78175970 - PHILADELPHIA GEAR
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Serial number 78175970
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Registration number 2918772
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Filing date Oct 18, 2002
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Philadelphia Gear Corporation
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7 - Machines and machine tools
-
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78161841 - PHILLY GEAR
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Serial number 78161841
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Filing date Sep 9, 2002
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Philadelphia Gear Corporation
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4 - Industrial oils and greases
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78161843 - PHILADELPHIA GEAR
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Serial number 78161843
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Registration number 2910298
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Filing date Sep 9, 2002
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Philadelphia Gear Corporation
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7 - Machines and machine tools
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78161558 - PHILADELPHIA
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Serial number 78161558
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Registration number 2926858
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Filing date Sep 6, 2002
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Philadelphia Gear Corporation
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7 - Machines and machine tools
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78119358 - UNIVERSAL COOLING TOWER DRIVE
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Serial number 78119358
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Registration number 2940979
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Filing date Apr 3, 2002
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Philadelphia Gear Corporation
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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75530447 - UNIFIRST
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Serial number 75530447
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Registration number 2356690
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Filing date Aug 4, 1998
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Philadelphia Gear Corporation
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7 - Machines and machine tools
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75423391 - WESTERN GEAR
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Serial number 75423391
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Registration number 2444703
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Filing date Jan 23, 1998
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Philadelphia Gear Corporation
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7 - Machines and machine tools
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73252243 - HI-TORK PORTABLE
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Serial number 73252243
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Registration number 1192882
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Filing date Mar 3, 1980
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Philadelphia Gear Corporation
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7 - Machines and machine tools
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73170135 - WE DO THE UNUSUAL,UNUSUALLY WELL
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Serial number 73170135
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Registration number 1130575
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Filing date May 12, 1978
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PHILADELPHIA GEAR CORPORATION
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42 - Scientific and technological services and research and design relating thereto
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73011509 - PHILADELPHIA
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Serial number 73011509
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Registration number 997278
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Filing date Jan 21, 1974
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PHILADELPHIA GEAR CORPORATION
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7 - Machines and machine tools
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73011510 - PHILADELPHIA MIXERS
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Serial number 73011510
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Registration number 1000489
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Filing date Jan 21, 1974
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PHILADELPHIA GEAR CORPORATION
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7 - Machines and machine tools
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73001088 - SYNCHRODRIVE
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Serial number 73001088
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Registration number 1006856
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Filing date Sep 17, 1973
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PHILADELPHIA GEAR CORPORATION
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7 - Machines and machine tools
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72459164 - GEAR-PAK
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Serial number 72459164
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Registration number 993828
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Filing date Jun 1, 1973
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PHILADELPHIA GEAR CORPORATION
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7 - Machines and machine tools
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72376726 - ST
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Serial number 72376726
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Registration number 937058
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Filing date Nov 20, 1970
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PHILADELPHIA GEAR CORPORATION
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7 - Machines and machine tools
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72374872 - SYNCHROTORQUE
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Serial number 72374872
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Registration number 928665
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Filing date Oct 30, 1970
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PHILADELPHIA GEAR CORPORATION
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7 - Machines and machine tools
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72134838 - ROLL-RAMP
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Serial number 72134838
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Registration number 752470
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Filing date Dec 28, 1961
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PHILADELPHIA GEAR CORPORATION
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7 - Machines and machine tools