Inventor · disambiguated record
Stefan Hennes
Also filed as: HENNES STEFAN
10 granted patents·2 pending applications·61 citations·filing 1999–2022
85Inventor score
Top patents by PatentIndex Score
12 records- 0174US7022228B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2002·Granted Apr 4, 2006·21 cites·8 claims
- 0273US6695966B1Filter element provided with an ascending pipeHYDAC FILTERTECHNIK GMBH·Filed 2000·Granted Feb 24, 2004·21 cites·12 claims
- 0371US10926202B2Filter device with coupling elementHYDAC FILTERTECHNIK GMBH·Filed 2016·Granted Feb 23, 2021·1 cites·17 claims
- 0460US12263424B2Filter device together with filter elementHYDAC FILTERTECHNIK GMBH·Filed 2021·Granted Apr 1, 2025·0 cites·10 claims
- 0560US8852431B2Filter deviceSAKRASCHINSKY MICHAEL·Filed 2009·Granted Oct 7, 2014·1 cites·10 claims
- 0659US9126129B2Filter device and filter elementSAKRASCHINSKY MICHAEL·Filed 2008·Granted Sep 8, 2015·1 cites·15 claims
- 0755US12109514B2Filter 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
- 0855US2024050878A1Filter device and filter elementHYDAC FILTERTECHNIK GMBH·Filed 2022·Application pending·0 cites
- 0945US6932900B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2001·Granted Aug 23, 2005·3 cites·11 claims
- 1044US9808749B2Device for the suction filtration of fluidsHYDAC FILTERTECHNIK GMBH·Filed 2013·Granted Nov 7, 2017·0 cites·14 claims
- 1144US6620316B1Modular system for putting together different sized filter elementsHYDAC FILTERTECHNIK GMBH·Filed 1999·Granted Sep 16, 2003·13 cites·18 claims
- 1239US2012018358A1Filter apparatusSANN NORBERT·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Stefan Hennes files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →