Assignee
HARVARD CORP
US·6 granted patents·106 citations·filing 1987–2007
Top patents by PatentIndex Score
6 records- 0177US4792397AFilter apparatus with sealing collector and flow control elementHARVARD CORP·Filed 1987·Granted Dec 20, 1988·54 cites·28 claims
- 0263US6319416B2Method of fluid filtering employing a novel cartridge sealing mechanismHARVARD CORP·Filed 2001·Granted Nov 20, 2001·10 cites·51 claims
- 0352US7938971B2Fluid filter apparatus and methodsHARVARD CORP·Filed 2007·Granted May 10, 2011·1 cites·29 claims
- 0447US4780204AFluid collector with upraised ridgesHARVARD CORP·Filed 1987·Granted Oct 25, 1988·17 cites·14 claims
- 0538US5486290AFluid filter collector with opposed ribsHARVARD CORP·Filed 1995·Granted Jan 23, 1996·19 cites·9 claims
- 0633US6270668B1Filter element sealing mechanismHARVARD CORP·Filed 1998·Granted Aug 7, 2001·5 cites·55 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →