Inventor · disambiguated record
Ralph Berkemann
Also filed as: BERKEMANN RALPH
5 granted patents·2 pending applications·55 citations·filing 1999–2023
74Inventor score
Files withGREINER ARMIN2GROZ BECKERT KG2BERKEMANN RALPH1FREUDENBERG CARL FA1OERLIKON TEXTILE GMBH & CO KG1
Top patents by PatentIndex Score
7 records- 0178US8124550B2Thermally bound non-woven materialGREINER ARMIN·Filed 2006·Granted Feb 28, 2012·4 cites·14 claims
- 0269US6387141B1Depth air filter having fibers intertwined by liquid-jettingFREUDENBERG CARL FA·Filed 1999·Granted May 14, 2002·49 cites·20 claims
- 0360US10036107B2Nonwoven web and fibers with electret properties, manufacturing processes thereof and their useBERKEMANN RALPH·Filed 2011·Granted Jul 31, 2018·2 cites·20 claims
- 0452US2023279599A1Process and apparatus for producing electrostatically charged fibres and an electret productOERLIKON TEXTILE GMBH & CO KG·Filed 2023·Application pending·0 cites
- 0542US8481437B2Thermally bound non-woven materialGREINER ARMIN·Filed 2011·Granted Jul 9, 2013·0 cites·10 claims
- 0638US2021102318A1Method for producing a textile object having electrostatically charged fibres, and textile objectGROZ BECKERT KG·Filed 2019·Application pending·0 cites
- 0735US10851476B2Method for producing a pleatable textile fabric with electrostatically charged fibersGROZ BECKERT KG·Filed 2017·Granted Dec 1, 2020·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →