Inventor · disambiguated record
Norbert Stephan
Also filed as: STEPHAN NORBERT
6 granted patents·57 citations·filing 1974–1977
80Inventor score
Top patents by PatentIndex Score
6 records- 0168US4127359ATurbomachine rotor having a sealing ringMTU MUENCHEN GMBH·Filed 1977·Granted Nov 28, 1978·38 cites·4 claims
- 0249US4092875ATube drawing method and apparatusMARSHALL RICHARDS BARCRO LTD·Filed 1977·Granted Jun 6, 1978·6 cites·8 claims
- 0346US4096726AMethod and apparatus for drawing tubesMARSHALL RICHARDS BARCRO LTD·Filed 1977·Granted Jun 27, 1978·5 cites·6 claims
- 0442US3934449ADrawing elongated stock, such as copper tubingKABEL METALLWERKE GHH·Filed 1975·Granted Jan 27, 1976·4 cites·3 claims
- 0528US3950977ADrawing of elongated stockKABEL METALLWERKE GHH·Filed 1975·Granted Apr 20, 1976·1 cites·3 claims
- 0627US3942352AMethod of making seamless metal tubesKABEL METALLWERKE GHH·Filed 1974·Granted Mar 9, 1976·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →