Inventor · disambiguated record
Andreas Schrufer
Also filed as: SCHRUEFER ANDREAS · SCHRUFER ANDREAS · SCHRÜFER ANDREAS
9 granted patents·4 pending applications·76 citations·filing 1997–2018
86Inventor score
Files withEAGLEBURGMANN GERMANY GMBH5OTSCHIK JOACHIM2SCHRUEFER ANDREAS2BURGMANN DICHTUNGSWERK FEODOR1BURGMANN IND GMBH & CO KG1
Top patents by PatentIndex Score
13 records- 0186US7862046B2Mechanical seal assemblyEAGLEBURGMANN GERMANY GMBH·Filed 2008·Granted Jan 4, 2011·17 cites·5 claims
- 0278US9841107B2Mechanical seal arrangement having sliding surfaces of different hardnessEAGLEBURGMANN GERMANY GMBH·Filed 2014·Granted Dec 12, 2017·5 cites·20 claims
- 0375US7240904B2Secondary sealing elementBURGMANN IND GMBH & CO KG·Filed 2003·Granted Jul 10, 2007·22 cites·7 claims
- 0465US8523186B2Slide ring seal arrangementSCHRUEFER ANDREAS·Filed 2006·Granted Sep 3, 2013·6 cites·5 claims
- 0564US8191899B2Apparatus for rotationally fixing a seal ring of a mechanical seal assembly axially movably retained at a mounting componentDROSCHER PETER·Filed 2008·Granted Jun 5, 2012·5 cites·9 claims
- 0662US11028926B2Mechanical seal arrangement with minimal leakageEAGLEBURGMANN GERMANY GMBH·Filed 2017·Granted Jun 8, 2021·1 cites·19 claims
- 0750US5909878AMechanical face seal assemblyBURGMANN DICHTUNGSWERK FEODOR·Filed 1997·Granted Jun 8, 1999·20 cites·8 claims
- 0846US11255440B2Gas-lubricated mechanical seal having improved soiling protectionEAGLEBURGMANN GERMANY GMBH·Filed 2018·Granted Feb 22, 2022·0 cites·12 claims
- 0946US9010762B2Low-friction seal ring with inexpensive diamond coatingOTSCHIK JOACHIM·Filed 2011·Granted Apr 21, 2015·0 cites·24 claims
- 1043US2015369369A1Mechanical seal arrangement having an improved secondary sealEAGLEBURGMANN GERMANY GMBH·Filed 2013·Application pending·0 cites
- 1139US2010259011A1Seal ring of a mechanical seal assemblyOTSCHIK JOACHIM·Filed 2008·Application pending·0 cites
- 1237US2006232015A1Slide ring seal assemblyLEDERER GUENTHER·Filed 2003·Application pending·0 cites
- 1331US2013168928A1Sliding ring with improved run-in propertiesSCHRUEFER ANDREAS·Filed 2011·Application pending·0 cites
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