Inventor · disambiguated record
Helmut F. K. Schaller
Also filed as: SCHALLER HELMUT · SCHALLER HELMUT F K
15 granted patents·360 citations·filing 1975–1997
94Inventor score
Top patents by PatentIndex Score
15 records- 0196US4512232ATremolo tailpiece and bridge deviceSCHALLER HELMUT F K·Filed 1983·Granted Apr 23, 1985·65 cites·33 claims
- 0295US4535668AMagnetic pickup for stringed instrumentsSCHALLER HELMUT F K·Filed 1984·Granted Aug 20, 1985·56 cites·6 claims
- 0386US4274181APivotal and releasable strap couplingSCHALLER HELMUT F K·Filed 1979·Granted Jun 23, 1981·40 cites·9 claims
- 0479US4015501AInjection molded stick for stringed musical instrument bowSCHALLER HELMUT F K·Filed 1975·Granted Apr 5, 1977·25 cites·17 claims
- 0578US5196641AVibrato tailpiece for guitarSCHALLER ELECTRONIC·Filed 1992·Granted Mar 23, 1993·28 cites·13 claims
- 0676US4580481AMagnetic pickup for stringed instrumentsSCHALLER HELMUT·Filed 1984·Granted Apr 8, 1986·22 cites·6 claims
- 0775US4361068ABridge device for stringed instrumentSCHALLER HELMUT F K·Filed 1980·Granted Nov 30, 1982·26 cites·5 claims
- 0864US5783763ABi-directional vibrato mechanism for a guitarSCHALLER ELECTRONIC·Filed 1997·Granted Jul 21, 1998·20 cites·13 claims
- 0958US4984493AAdjustable counter-tensioning mechanism for stringed instrument tremolo deviceSCHALLER HELMUT F K·Filed 1990·Granted Jan 15, 1991·16 cites·8 claims
- 1054US4604936ASnap-in vibrato armFENDER MUSICAL INSTR CORP·Filed 1985·Granted Aug 12, 1986·13 cites·15 claims
- 1154US3982462AStringed instrument machine headSCHALLER HELMUT F K·Filed 1975·Granted Sep 28, 1976·13 cites·8 claims
- 1253US5522298ATremolo arm stabilizer for electric guitarFiled 1995·Granted Jun 4, 1996·15 cites·4 claims
- 1347US4945800AStringed musical instrument machine headSCHALLER HELMUT F K·Filed 1989·Granted Aug 7, 1990·10 cites·7 claims
- 1437US5913257AMethod of manufacturing guitar strings, and guitar strings resulting from such methodFENDER MUSICAL INSTR CORP·Filed 1997·Granted Jun 15, 1999·7 cites·43 claims
- 1533US4505177AAttachment for releasably holding stemmed toolsSCHALLER HELMUT F K·Filed 1983·Granted Mar 19, 1985·4 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Helmut F. K. Schaller 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 →