Inventor · disambiguated record
Gerhard Heidemann
Also filed as: HEIDEMANN GERHARD
3 granted patents·46 citations·filing 1983–1986
72Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0150US4523765AHigh pressure sealing means for longitudinally movable parts of deep-well drilling toolsCHRISTENSEN INC NORTON·Filed 1984·Granted Jun 18, 1985·21 cites·7 claims
- 0243US4511007ALocking device for a tool with telescopically displaceable partsCHRISTENSEN INC NORTON·Filed 1983·Granted Apr 16, 1985·14 cites·15 claims
- 0336US4694917AMechanical jarring devices for use in drillingEASTMAN CHRISTENSEN CO·Filed 1986·Granted Sep 22, 1987·11 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Gerhard Heidemann 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 →