Inventor · disambiguated record
Hans Erdmannsdoerfer
Also filed as: ERDMANNSDOERFER HANS
11 granted patents·491 citations·filing 1985–1997
92Inventor score
Files withMANN & HUMMEL FILTER10
Top patents by PatentIndex Score
11 records- 0192US5071456AAir filter with radially sealing filter insertMANN & HUMMEL FILTER·Filed 1990·Granted Dec 10, 1991·121 cites·6 claims
- 0289US5741421AFilter deviceMANN & HUMMEL FILTER·Filed 1995·Granted Apr 21, 1998·97 cites·9 claims
- 0387US5736040AFilter assembly including a reinforced radial sealFiled 1994·Granted Apr 7, 1998·82 cites·8 claims
- 0479US5042249ASoot filter for cleaning the exhaust from an internal combustion engineMANN & HUMMEL FILTER·Filed 1990·Granted Aug 27, 1991·51 cites·10 claims
- 0578US6090177AAir filter element with a control tube and divided housingMANN & HUMMEL FILTER·Filed 1996·Granted Jul 18, 2000·58 cites·9 claims
- 0660US4670233AMethod of removing soot which has been trapped in an exhaust gas filter of an internal combustion engineMANN & HUMMEL FILTER·Filed 1985·Granted Jun 2, 1987·25 cites·16 claims
- 0758US5693217AFluid circuit with a primary stream filter and a bypass stream centrifugeMANN & HUMMEL FILTER·Filed 1995·Granted Dec 2, 1997·21 cites·18 claims
- 0844US5028405AProcess and apparatus for the burning off of carbon (SOOT) deposited on exhaust gas filtersMANN & HUMMEL FILTER·Filed 1988·Granted Jul 2, 1991·15 cites·42 claims
- 0943US5707521AFilter element having a nonwoven layer and a permeable shrink tubeMANN & HUMMEL FILTER·Filed 1996·Granted Jan 13, 1998·11 cites·9 claims
- 1039US6235089B1Filter insertMANN & HUMMEL FILTER·Filed 1997·Granted May 22, 2001·9 cites·8 claims
- 1120US5661975ASoot filtration deviceMANN & HUMMEL FILTER·Filed 1995·Granted Sep 2, 1997·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →