Inventor · disambiguated record
Rolf Prehn
Also filed as: PREHN ROLF
3 granted patents·10 pending applications·0 citations·filing 2008–2018
49Inventor score
Top patents by PatentIndex Score
13 records- 0158US10539237B2Bimetallic static gasket and method of construction thereofTENNECO INC·Filed 2018·Granted Jan 21, 2020·0 cites·18 claims
- 0246US10533663B2Bimetallic static gasket and method of construction thereofTENNECO INC·Filed 2016·Granted Jan 14, 2020·0 cites·3 claims
- 0341US2012056385A1Sealing element for sealing flange surfaces on internal combustion enginesPREHN ROLF·Filed 2009·Application pending·0 cites
- 0440US9518660B2Bimetallic static gasket and method of construction thereofSWASEY THOMAS W·Filed 2010·Granted Dec 13, 2016·0 cites·9 claims
- 0540US2011109049A1Sealing element for sealing flange surfaces in internal combustion enginesPREHN ROLF·Filed 2009·Application pending·0 cites
- 0639US2011006487A1Flat sealPREHN ROLF·Filed 2008·Application pending·0 cites
- 0739US2011101626A1Flat sealFEDERAL MOGUL SEALING SYS SPA·Filed 2009·Application pending·0 cites
- 0834US2011101623A1Flat sealPREHN ROLF·Filed 2009·Application pending·0 cites
- 0930US2012073348A1Method for producing sealing elementsPREHN ROLF·Filed 2010·Application pending·0 cites
- 1028US2012070272A1Method for producing metal elements, in particular sealing elementsPREHN ROLF·Filed 2010·Application pending·0 cites
- 1128US2012153576A1Flat sealPREHN ROLF·Filed 2010·Application pending·0 cites
- 1227US2013056936A1Method and device for producing sealing ringsPREHN ROLF·Filed 2011·Application pending·0 cites
- 1326US2012073343A1Method for producing metal sealing elementsPREHN ROLF·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Rolf Prehn 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 →