Inventor · disambiguated record
Jeffrey J. Theisen
Also filed as: THEISEN JEFFREY J
3 granted patents·76 citations·filing 1994–2008
73Inventor score
Technology areasB01D
Top patents by PatentIndex Score
3 records- 0169US8425769B2Filter arrangement and methodsGIFT GARY H·Filed 2008·Granted Apr 23, 2013·7 cites·11 claims
- 0266US5501791APressure isolation valve and bypass valve; and filter head assembly incorporating sameDONALDSON CO INC·Filed 1994·Granted Mar 26, 1996·32 cites·2 claims
- 0365US5885447ALiquid filtration system incorporating a bypass filter elementDONALDSON CO INC·Filed 1997·Granted Mar 23, 1999·37 cites·17 claims
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