Inventor · disambiguated record
Manfred Janssen
Also filed as: JANSSEN MANFRED
5 granted patents·1 pending application·77 citations·filing 1980–2000
81Inventor score
Top patents by PatentIndex Score
6 records- 0157US5956988AProcess for heading pipe ends and device for implementing itAUDI AG AND FAHRZEUGWERK WERDA·Filed 1995·Granted Sep 28, 1999·27 cites·21 claims
- 0248US5221121AReinforcement element for the body of an automobileMANNESMANN AG·Filed 1991·Granted Jun 22, 1993·20 cites·2 claims
- 0341US4313328AProviding cardan and universal joint-type shafts with gearingMANNESMANN AG·Filed 1980·Granted Feb 2, 1982·9 cites·2 claims
- 0433US5260522ADouble-wall hollow body with interlayer and method for manufacturing sameMANNESMANN AG·Filed 1991·Granted Nov 9, 1993·10 cites·7 claims
- 0533US4583773AReleasable tubular clamps for the connection of cylindrical or profiled tubesJANSSEN MANFRED·Filed 1983·Granted Apr 22, 1986·11 cites·6 claims
- 0623US2002157500A1Built-up camshaftFiled 2000·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Manfred Janssen 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 →