Inventor · disambiguated record
John T. Herman
Also filed as: HERMAN JOHN · HERMAN JOHN T
26 granted patents·3 pending applications·1,568 citations·filing 1980–2012
98Inventor score
Top patents by PatentIndex Score
29 records- 0199US5238474AFiltration arrangementDONALDSON CO INC·Filed 1992·Granted Aug 24, 1993·301 cites·16 claims
- 0299US5082476AFiltration arrangement and methodDONALDSON CO INC·Filed 1990·Granted Jan 21, 1992·357 cites·18 claims
- 0398US5423892AFiltration arrangementDONALDSON CO INC·Filed 1993·Granted Jun 13, 1995·119 cites·5 claims
- 0497US5800587AFiltration arrangement and methodDONALDSON CO INC·Filed 1997·Granted Sep 1, 1998·115 cites·43 claims
- 0597US5364456AFiltration arrangement and methodDONALDSON CO INC·Filed 1993·Granted Nov 15, 1994·140 cites·18 claims
- 0693US5622537AFiltration arrangementDONALDSON CO INC·Filed 1995·Granted Apr 22, 1997·70 cites·19 claims
- 0788US8117832B2Exhaust treatment device with electric regeneration systemWAGNER WAYNE M·Filed 2007·Granted Feb 21, 2012·17 cites·23 claims
- 0888US5792227AFiltration arrangementDONALDSON CO INC·Filed 1997·Granted Aug 11, 1998·47 cites·21 claims
- 0987US6019809AFiltration arrangementDONALDSON CO INC·Filed 1998·Granted Feb 1, 2000·43 cites·25 claims
- 1086US7410530B2Apparatus for cleaning exhaust aftertreatment devices and methodsDONALDSON CO INC·Filed 2006·Granted Aug 12, 2008·13 cites·36 claims
- 1183US6234541B1U-bolt clamp for sealing lap jointsDONALDSON CO INC·Filed 1999·Granted May 22, 2001·47 cites·31 claims
- 1282USD436028SU-bolt clampDONALDSON CO INC·Filed 1999·Granted Jan 9, 2001·25 cites·1 claims
- 1381US5762669AFiltration arrangementDONALDSON CO INC·Filed 1996·Granted Jun 9, 1998·33 cites·14 claims
- 1480US8256060B2Apparatus for cleaning exhaust aftertreatment devices and methodsWAGNER WAYNE M·Filed 2008·Granted Sep 4, 2012·9 cites·9 claims
- 1579US8844270B2Diesel particulate filter regeneration system including shore stationHERMAN JOHN T·Filed 2010·Granted Sep 30, 2014·6 cites·3 claims
- 1677US6305054B1Exhaust system clampDONALDSON CO INC·Filed 1999·Granted Oct 23, 2001·37 cites·21 claims
- 1775US4406651AMulti-phase self purging centrifugeDONALDSON CO INC·Filed 1982·Granted Sep 27, 1983·27 cites·9 claims
- 1875US4366069ACoolant recovery systemDONALDSON CO INC·Filed 1981·Granted Dec 28, 1982·36 cites·18 claims
- 1974US5246472AApparatus for filtering engine exhaustDONALDSON CO INC·Filed 1993·Granted Sep 21, 1993·42 cites·13 claims
- 2067US5762670AFiltration arrangementDONALDSON CO INC·Filed 1996·Granted Jun 9, 1998·19 cites·37 claims
- 2159US4350282ASelf-purging centrifugeDONALDSON CO INC·Filed 1980·Granted Sep 21, 1982·15 cites·22 claims
- 2256US6508277B1Flexible pipe with compressed endsDONALDSON CO INC·Filed 1999·Granted Jan 21, 2003·21 cites·14 claims
- 2352US8769938B2Exhaust treatment device with electric regeneration systemWAGNER WAYNE M·Filed 2012·Granted Jul 8, 2014·0 cites·25 claims
- 2448US7294162B2Exhaust filterDONALDSON CO INC·Filed 2004·Granted Nov 13, 2007·7 cites·22 claims
- 2545US6311736B2Flexible hose and method for manufacturingDONALDSON CO INC·Filed 1998·Granted Nov 6, 2001·13 cites·19 claims
- 2645US2010037423A1Apparatus for Cleaning Exhaust Aftertreatment Devices and MethodsHERMAN JOHN T·Filed 2009·Application pending·0 cites
- 2744US2009044523A1Apparatus for combusting collected diesel exhaust material from aftertreatment devices and methodDONALDSON CO INC·Filed 2006·Application pending·0 cites
- 2843US2008245039A1Exhaust FilterDONALDSON CO INC·Filed 2007·Application pending·0 cites
- 2938US6123369APipe lap joint and methodsDONALDSON CO INC·Filed 1998·Granted Sep 26, 2000·9 cites·26 claims
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