Inventor · disambiguated record
Rolf Ellermann
Also filed as: ELLERMANN ROLF
2 granted patents·17 citations·filing 1988–1998
57Inventor score
Top patents by PatentIndex Score
2 records- 0178US4815404AServo device for a multineedle sewing machine with engageable and disengageable needle barsDUERKOPPWERKE·Filed 1988·Granted Mar 28, 1989·14 cites·6 claims
- 0219US5939687AKnee-operated switch for a working machine, especially a sewing machineDURKOPP ADLER AKTIENGELLSCHAFT·Filed 1998·Granted Aug 17, 1999·3 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Rolf Ellermann 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 →