Inventor · disambiguated record
Hans-Werner Holch
Also filed as: HOLCH HANS-WERNER
4 granted patents·200 citations·filing 1991–2001
82Inventor score
Files withMANN & HUMMEL FILTER4
Top patents by PatentIndex Score
4 records- 0184US5090393APressure regulating valve for installation in a vent duct of an internal combustion engineMANN & HUMMEL FILTER·Filed 1991·Granted Feb 25, 1992·76 cites·10 claims
- 0280US6517710B2Structural assembly with an oil filter for an internal combustion engineMANN & HUMMEL FILTER·Filed 2001·Granted Feb 11, 2003·32 cites·12 claims
- 0379US6309436B1Device for separating liquid particles from a gas streamMANN & HUMMEL FILTER·Filed 1997·Granted Oct 30, 2001·61 cites·4 claims
- 0474US6044829AHeating arrangementMANN & HUMMEL FILTER·Filed 1996·Granted Apr 4, 2000·31 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →