Assignee
HYDROTECH CHEMICAL CORP
US·7 granted patents·222 citations·filing 1983–1993
Top patents by PatentIndex Score
7 records- 0187US5226454ADC motor actuated flow diversion valveHYDROTECH CHEMICAL CORP·Filed 1992·Granted Jul 13, 1993·90 cites·16 claims
- 0277US4869817ABackwash valve lever control systemHYDROTECH CHEMICAL CORP·Filed 1983·Granted Sep 26, 1989·34 cites·10 claims
- 0376US5318007AHeat exchanger manifold for swimming pool or spa heatersHYDROTECH CHEMICAL CORP·Filed 1993·Granted Jun 7, 1994·41 cites·4 claims
- 0461US5228618AThermal and flow regulator with integrated flow optimizerHYDROTECH CHEMICAL CORP·Filed 1991·Granted Jul 20, 1993·24 cites·21 claims
- 0547US5245196AInfrared flame sensor responsive to infrared radiationHYDROTECH CHEMICAL CORP·Filed 1991·Granted Sep 14, 1993·17 cites·12 claims
- 0644US5201307AInsulated firebox for swimming pool or spa heaters for reduction of smoke or odorHYDROTECH CHEMICAL CORP·Filed 1991·Granted Apr 13, 1993·13 cites·10 claims
- 0719US4962908AVariable motor supportHYDROTECH CHEMICAL CORP·Filed 1988·Granted Oct 16, 1990·3 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →