Inventor · disambiguated record
Johann Gramberger
Also filed as: GRAMBERGER JOHANN
3 granted patents·79 citations·filing 1988–1990
74Inventor score
Technology areasF16D
Top patents by PatentIndex Score
3 records- 0178US4917743AMethod for manufacturing a friction ring having a conical or cylindrical friction surfaceGRAMBERGER JOHANN·Filed 1988·Granted Apr 17, 1990·35 cites·9 claims
- 0275US5105522AProcess of manufacturing a friction ring provided with a sinter-bonded friction facingMIBA SINTERMETALL AG·Filed 1990·Granted Apr 21, 1992·34 cites·3 claims
- 0347US4940847AMethod for manufacturing a friction ring having a conical or cylindrical friction surfaceNEUENSTEIN ZAHNRADWERK·Filed 1988·Granted Jul 10, 1990·10 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →