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Kobe, Inc.

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PatentTitleStatus Expires Confidence
US 3,960,319Centrifugal separator
Term ended
Term ended no later than Jun 1, 1996 · Low confidence
Term endedTerm ended no later than Jun 1, 1996Low confidence
US 3,972,352Discharge element for a liquid-gas separator unit
Formerly held
Term ended
Term ended no later than Aug 3, 1996 · Low confidence
Term endedTerm ended no later than Aug 3, 1996Low confidence
US 3,977,810Multiple outlet, constant flow, pitot pump
Term ended
Term ended no later than Aug 31, 1996 · Low confidence
Term endedTerm ended no later than Aug 31, 1996Low confidence
US 3,982,589Cleaning and pumping apparatus for oil well production
Term ended
Term ended no later than Sep 28, 1996 · Low confidence
Term endedTerm ended no later than Sep 28, 1996Low confidence
US 3,994,618Multiple outlet pitot pump with different output flows and/or pressures
Term ended
Term ended no later than Nov 30, 1996 · Low confidence
Term endedTerm ended no later than Nov 30, 1996Low confidence
US 3,999,881Centrifugal pump of the pitot type
Term ended
Term ended no later than Dec 28, 1996 · Low confidence
Term endedTerm ended no later than Dec 28, 1996Low confidence
US 4,036,427Combination pitot pump and centrifugal separator
Term ended
Term ended no later than Jul 19, 1997 · Low confidence
Term endedTerm ended no later than Jul 19, 1997Low confidence
US 4,044,943Centrifugal separator and system
Term ended
Term ended no later than Aug 30, 1997 · Low confidence
Term endedTerm ended no later than Aug 30, 1997Low confidence
US 4,045,145Pitot pump with turbulence elimination
Term ended
Term ended no later than Aug 30, 1997 · Low confidence
Term endedTerm ended no later than Aug 30, 1997Low confidence
US 4,047,581Multistage, downhole, turbo-powered intensifier for drilling petroleum wells
Term ended
Term ended no later than Sep 13, 1997 · Low confidence
Term endedTerm ended no later than Sep 13, 1997Low confidence
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