Inventor · disambiguated record
Johann Wassen
Also filed as: WASSEN JOHANN
4 granted patents·18 citations·filing 1974–1975
71Inventor score
Files withMANNESMANN ROEHREN WERKE AG4
Top patents by PatentIndex Score
4 records- 0138US4038550AMethod and an apparatus for the measuring of the wall thickness of a tubeMANNESMANN ROEHREN WERKE AG·Filed 1975·Granted Jul 26, 1977·8 cites·2 claims
- 0233US3950978AStretch-forming of long tubesMANNESMANN ROEHREN WERKE AG·Filed 1975·Granted Apr 20, 1976·3 cites·8 claims
- 0332US3963514ARemoval of excess metal from the welding seam in the interior of a pipeMANNESMANN ROEHREN WERKE AG·Filed 1974·Granted Jun 15, 1976·4 cites·3 claims
- 0428US4006622AContinuous process for the production of very long precision tubes and installation for carrying out the processMANNESMANN ROEHREN WERKE AG·Filed 1975·Granted Feb 8, 1977·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →