J-W OPERATING COMPANY

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ADDISON, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Radially-valve compressor with adjustable clearance
- Patent number 5,622,486
- Issue date Apr 22, 1997
- J-W Operating Company
- Thomas E. McDuffie
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
4-stroke, stratified gas engine
- Patent number 4,998,513
- Issue date Mar 12, 1991
- J-W Operating Company
- James J. Gagnon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Control system for engine-driven compressor unit and method of oper...
- Patent number 4,496,286
- Issue date Jan 29, 1985
- J-W Operating Company
- James J. Gagnon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74720603 - ACTR
- Serial number 74720603
- Registration number 2004239
- Filing date Aug 24, 1995
- J-W Operating Company
- 7 - Machines and machine tools
Information Trademark
74720604 - TSV
- Serial number 74720604
- Registration number 1993427
- Filing date Aug 24, 1995
- J-W Operating Company
- 7 - Machines and machine tools
Information Trademark
74013968 - SUPERBURN
- Serial number 74013968
- Registration number 1612671
- Filing date Dec 26, 1989
- J-W Operating Company
- 7 - Machines and machine tools