Inventor · disambiguated record
Friedrich Theysohn
Also filed as: THEYSOHN FRIEDRICH
4 granted patents·103 citations·filing 1975–1981
79Inventor score
Technology areasB29C
Top patents by PatentIndex Score
4 records- 0180US4075266AMethod for coating foil materialTHEYSOHN FRIEDRICH·Filed 1976·Granted Feb 21, 1978·47 cites·4 claims
- 0272US4025022ADie moldFIRM FRIEDRICH THEYSOHN·Filed 1975·Granted May 24, 1977·35 cites·9 claims
- 0347US4364664ADual worm extruder having wear resistant bore wallsTHEYSOHN FRIEDRICH FA·Filed 1981·Granted Dec 21, 1982·14 cites·6 claims
- 0434US4327859AMethod of coating dual-worm extruder boresTHEYSOHN FRIEDRICH FA·Filed 1980·Granted May 4, 1982·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →