Inventor · disambiguated record
Bernard A. Matthys
Also filed as: MATTHYS BERNARD A
19 granted patents·2 pending applications·2,639 citations·filing 1980–2012
97Inventor score
Top patents by PatentIndex Score
21 records- 0199US6048386AIntegrated resonator and filter apparatusDONALDSON CO INC·Filed 1998·Granted Apr 11, 2000·151 cites·6 claims
- 0299USD398046SCombined filter element and frame thereforDONALDSON CO INC·Filed 1996·Granted Sep 8, 1998·312 cites·1 claims
- 0399US5792247AIntegrated resonator and filter apparatusDONALDSON CO INC·Filed 1996·Granted Aug 11, 1998·443 cites·4 claims
- 0499US5772883ASlanted inline filterDONALDSON CO INC·Filed 1996·Granted Jun 30, 1998·465 cites·30 claims
- 0598USD425189SCombined filter element and frame thereforGILLINGHAM GARY R·Filed 1998·Granted May 16, 2000·297 cites·1 claims
- 0698US5895574ARolled liquid filter using fluted mediaDONALDSON CO INC·Filed 1996·Granted Apr 20, 1999·449 cites·8 claims
- 0797US7329326B2Method of making a fluted filter media for air filterDONALDSON CO INC·Filed 2003·Granted Feb 12, 2008·138 cites·9 claims
- 0896US8460442B2Fluted filter mediaWAGNER WAYNE M·Filed 2012·Granted Jun 11, 2013·25 cites·10 claims
- 0995US4504293ASelf-cleaning air filterDONALDSON CO INC·Filed 1983·Granted Mar 12, 1985·98 cites·8 claims
- 1094US6752924B2Bowl-cartridge filter having interlock mechanism and methodsDONALDSON CO INC·Filed 2002·Granted Jun 22, 2004·73 cites·22 claims
- 1192USD470216SFilter elementDONALDSON CO INC·Filed 2002·Granted Feb 11, 2003·52 cites·1 claims
- 1290US8268053B2Fluted filter mediaWAGNER WAYNE M·Filed 2008·Granted Sep 18, 2012·18 cites·5 claims
- 1375US6604486B1Restriction indicatorDONALDSON CO INC·Filed 2000·Granted Aug 12, 2003·23 cites·18 claims
- 1475US4406651AMulti-phase self purging centrifugeDONALDSON CO INC·Filed 1982·Granted Sep 27, 1983·27 cites·9 claims
- 1574US4266953AMechanism for removing dust particles from an engine air cleanerUS ARMY·Filed 1980·Granted May 12, 1981·31 cites·4 claims
- 1669US6009898AValve assembly for preventing liquid ingestion and methodsDONALDSON CO INC·Filed 1998·Granted Jan 4, 2000·21 cites·20 claims
- 1751US6976448B2Restriction indicatorDONALDSON CO INC·Filed 2003·Granted Dec 20, 2005·4 cites·16 claims
- 1850US2005161386A1Bowl-cartridge filter having interlock mechanism and methodsDONALDSON CO INC·Filed 2005·Application pending·0 cites
- 1946US2004232059A1Bowl-cartridge filter having interlock mechanism and methodsDONALDSON CO INC·Filed 2004·Application pending·0 cites
- 2042US6209559B1Valve assembly for preventing liquid ingestion and methodsDONALDSON CO INC·Filed 1999·Granted Apr 3, 2001·6 cites·9 claims
- 2141US6213146B1Valve assembly for preventing liquid ingestion and methodsDONALDSON CO INC·Filed 1999·Granted Apr 10, 2001·6 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →