Assignee
HUDSON ENG CO
US·6 granted patents·130 citations·filing 1982–1982
Top patents by PatentIndex Score
6 records- 0189US4532958ACheck valve having replaceable valve assemblyHUDSON ENG CO·Filed 1982·Granted Aug 6, 1985·55 cites·1 claims
- 0281US4515180AValve for self-priming pump systemHUDSON ENG CO·Filed 1982·Granted May 7, 1985·40 cites·17 claims
- 0352US4521156ASelf-priming pump system having diaphragm-type flow sensorHUDSON ENG CO·Filed 1982·Granted Jun 4, 1985·13 cites·11 claims
- 0452US4421325ASeal with dual metallic rings having contacting lipsHUDSON ENG CO·Filed 1982·Granted Dec 20, 1983·14 cites·12 claims
- 0532US4494560ASelf-priming system for liquid pumpsHUDSON ENG CO·Filed 1982·Granted Jan 22, 1985·4 cites·9 claims
- 0630US4493607ATee-type valve for self-priming pump systemHUDSON ENG CO·Filed 1982·Granted Jan 15, 1985·4 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →