Assignee
HOUSTON SYSTEMS MFG
4 granted patents·58 citations·filing 1979–1981
Top patents by PatentIndex Score
4 records- 0163US4259182AWaste treatment apparatusHOUSTON SYSTEMS MFG·Filed 1979·Granted Mar 31, 1981·25 cites·69 claims
- 0254US4377181AHigh temperature dual butterfly valveHOUSTON SYSTEMS MFG·Filed 1981·Granted Mar 22, 1983·15 cites·25 claims
- 0338US4279842AAir diffuser assemblyHOUSTON SYSTEMS MFG·Filed 1980·Granted Jul 21, 1981·12 cites·9 claims
- 0432US4344454AValve bonnet for high temperature serviceHOUSTON SYSTEMS MFG·Filed 1981·Granted Aug 17, 1982·6 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →