MS

Michael Sakraschinsky

HG Hydac Filtertechnik Gmbh: 22 patents #1 of 87Top 2%
RG Rt-Filtertechnik Gmbh: 1 patents #6 of 19Top 35%
SI Schroeder Industries: 1 patents #30 of 52Top 60%
Overall (All Time): #157,209 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12350607 Filter device Gerhard Stehle, Sven Peter WOZNIAK, Dirk Schönfeld, John R. Otto, Alexander Wohlers +5 more 2025-07-08
12263424 Filter device together with filter element Volkmar Klein, Stefan Hennes 2025-04-01
12201926 Filter device Gerhard Stehle, Florentin Van Uffelen 2025-01-21
10926202 Filter device with coupling element Patrick Maurer, Stefan Hennes 2021-02-23
10188969 Filter device Volkmar Klein 2019-01-29
10150064 Filter apparatus Volkmar Klein 2018-12-11
10143945 Filter device Sebastian Fiedler 2018-12-04
10080982 Arrangement for forming a seal Volkmar Klein, Armin Schmidt 2018-09-25
9808749 Device for the suction filtration of fluids Norbert Sann, Viktor Lauer, Stefan Hennes, Alexander Wohlers, Paul F. Seibold 2017-11-07
9421481 Filtering device 2016-08-23
9126129 Filter device and filter element Stefan Hennes 2015-09-08
8944091 System for ventilating and venting containers containing a fluid volume Volkmar Klein 2015-02-03
8852431 Filter device Stefan Hennes 2014-10-07
8550255 Filter device and filter element Norbert Sann 2013-10-08
8216467 Filter element Viktor Lauer 2012-07-10
8020709 Filter element 2011-09-20
7462282 Filter element and method for the production thereof Harald Mees 2008-12-09
7252759 In-tank return line filter element and hydraulic reservoir with same Steven R. Evanovich, Augustus O. Schroeder, Norbert Sann, Christopher B. Bortnik, Joseph Francis Ickes 2007-08-07
7213622 Venting device, particularly for fluid-storing reservoirs such as tanks Peter Naumann 2007-05-08
7022228 Filter device Stefan Hennes, Patrik Maurer, Norbert Sann 2006-04-04
6949155 Filter element comprising an embossed weld connection clip and device for producing the same Jurgen Lang, Harald Mees 2005-09-27
6695966 Filter element provided with an ascending pipe Stefan Hennes 2004-02-24
6620316 Modular system for putting together different sized filter elements Stefan Hennes 2003-09-16
6347712 Filter Harald Mees 2002-02-19
6117312 Filter bypass valve having adjustable spring biasing force Harald Mees 2000-09-12