Individual holder
WEINBRECHT JOHN F
US·2 granted patents·1 pending application·82 citations·filing 1987–2007
Individually held — no corporate assignee on record.
Technology mixF04C3
Top patents by PatentIndex Score
3 records- 0184US4859158AHigh ratio recirculating gas compressorWEINBRECHT JOHN F·Filed 1987·Granted Aug 22, 1989·41 cites·5 claims
- 0278US5090879ARecirculating rotary gas compressorWEINBRECHT JOHN F·Filed 1990·Granted Feb 25, 1992·41 cites·18 claims
- 0341US2008181803A1Reflux gas compressorWEINBRECHT JOHN F·Filed 2007·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →