Inventor · disambiguated record
Volkmar Klein
Also filed as: KLEIN VOLKMAR
12 granted patents·1 pending application·155 citations·filing 2001–2021
89Inventor score
Top patents by PatentIndex Score
13 records- 0190US7459078B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2005·Granted Dec 2, 2008·72 cites·8 claims
- 0288US8944091B2System for ventilating and venting containers containing a fluid volumeSAKRASCHINSKY MICHAEL·Filed 2011·Granted Feb 3, 2015·11 cites·16 claims
- 0385US10150064B2Filter apparatusHYDAC FILTERTECHNIK GMBH·Filed 2016·Granted Dec 11, 2018·3 cites·16 claims
- 0484US7435347B2Filter device and parts thereof and a method for operating of the filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2006·Granted Oct 14, 2008·15 cites·9 claims
- 0581US7181021B2Apparatus for acoustically improving an environmentRAPTOPOULOS ANDREAS·Filed 2002·Granted Feb 20, 2007·32 cites·40 claims
- 0676US10478760B2Filter element with a luminescent markerHYDAC FILTERTECHNIK GMBH·Filed 2015·Granted Nov 19, 2019·2 cites·16 claims
- 0776US7464723B2Non-return valveHYDAC FILTERTECHNIK GMBH·Filed 2005·Granted Dec 16, 2008·10 cites·12 claims
- 0860US12263424B2Filter device together with filter elementHYDAC FILTERTECHNIK GMBH·Filed 2021·Granted Apr 1, 2025·0 cites·10 claims
- 0956US10188969B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2016·Granted Jan 29, 2019·0 cites·20 claims
- 1055US12109514B2Filter device with an element receptacle having two or more degrees of freedom relative to different axesHYDAC FILTERTECHNIK GMBH·Filed 2019·Granted Oct 8, 2024·0 cites·23 claims
- 1155US7815054B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2004·Granted Oct 19, 2010·10 cites·15 claims
- 1250US10080982B2Arrangement for forming a sealHYDAC FILTERTECHNIK GMBH·Filed 2013·Granted Sep 25, 2018·0 cites·11 claims
- 1336US2003010697A1Filter deviceFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →