Assignee
CLARK UNITED CORP
US·4 granted patents·117 citations·filing 1988–1992
Top patents by PatentIndex Score
4 records- 0176US5049801ADual speed controller for attic ventilatorCLARK UNITED CORP·Filed 1990·Granted Sep 17, 1991·64 cites·5 claims
- 0254US5326313AThrust bearing assembly for roof turbineCLARK UNITED CORP·Filed 1992·Granted Jul 5, 1994·26 cites·4 claims
- 0354USD327947SBarrel fanCLARK UNITED CORP·Filed 1990·Granted Jul 14, 1992·13 cites·1 claims
- 0445US4831921ASpindle bearing assembly for turbine ventilatorCLARK UNITED CORP·Filed 1988·Granted May 23, 1989·14 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →