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Howe-Baker Engineers, Ltd.

Also on record
Records under this name other than patents Howe-Baker Engineers, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 8 of 8 · Back to Howe-Baker Engineers, Ltd.

PatentTitleStatus Expires Confidence
US 6,941,771Liquid natural gas processing
Term ended
Term ended Sep 17, 2023 · From the USPTO record
Term endedTerm ended Sep 17, 2023From the USPTO record
US 6,907,752Cryogenic liquid natural gas recovery process
Term ended
Ended no later than Jul 7, 2023 · From the USPTO record
Term endedEnded no later than Jul 7, 2023From the USPTO record
US 6,604,380Liquid natural gas processing
Term ended
Term ended Apr 3, 2022 · From the USPTO record
Term endedTerm ended Apr 3, 2022From the USPTO record
US 7,475,566Liquid natural gas processing
Lapsed on the fee record
Ended Jan 13, 2017 · From the USPTO record
Lapsed on the fee recordEnded Jan 13, 2017From the USPTO record
US 3,985,494Waste gas burner assembly
Term ended
Term ended no later than Oct 12, 1996 · Low confidence
Term endedTerm ended no later than Oct 12, 1996Low confidence
US 4,267,979Dual-phase atomizer
Formerly held
Term ended
Term ended no later than May 19, 2001 · Low confidence
Term endedTerm ended no later than May 19, 2001Low confidence
US 4,282,172Gas to liquid diffuser
Formerly held
Term ended
Term ended no later than Aug 4, 2001 · Low confidence
Term endedTerm ended no later than Aug 4, 2001Low confidence
US 5,102,645Method for manufacture of high purity carbon monoxide
Formerly held
Term ended
Term ended no later than Apr 7, 2012 · Low confidence
Term endedTerm ended no later than Apr 7, 2012Low confidence
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