Inventor · disambiguated record
Gerd Elfgen
Also filed as: ELFGEN GERD
4 granted patents·334 citations·filing 1979–2013
81Inventor score
Top patents by PatentIndex Score
4 records- 0194US4729603ARound cutting tool for cuttersELFGEN GERD·Filed 1986·Granted Mar 8, 1988·170 cites·6 claims
- 0293US4688856ARound cutting toolELFGEN GERD·Filed 1985·Granted Aug 25, 1987·145 cites·13 claims
- 0370US8894155B2Method for attaching a chisel and associated deviceMARUM HENK ROLAND VAN·Filed 2013·Granted Nov 25, 2014·5 cites·17 claims
- 0467US4298233AMilling tool for a rotating milling cylinderELFGEN GERD·Filed 1979·Granted Nov 3, 1981·14 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Gerd Elfgen 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 →