Inventor · disambiguated record
Rainer Jurgens
Also filed as: JUERGENS RAINER · JURGENS RAINER · RATHKAMP HERMANN
35 granted patents·2,092 citations·filing 1974–1997
98Inventor score
Files withCHRISTENSEN INC18BAKER HUGHES INC7CHRISTENSEN INC NORTON5CHRISTENSEN DIAMOND PROD CO2EASTMAN CHRISTENSEN CO2
Top patents by PatentIndex Score
35 records- 0198US4373593ADrill bitCHRISTENSEN INC·Filed 1980·Granted Feb 15, 1983·212 cites·12 claims
- 0293US5109924AOne trip window cutting tool method and apparatusBAKER HUGHES INC·Filed 1990·Granted May 5, 1992·219 cites·9 claims
- 0393US4732225ADeep-borehole drilling device with magnetic couplingCHRISTENSEN INC NORTON·Filed 1987·Granted Mar 22, 1988·87 cites·8 claims
- 0493US4200159ACutter head, drill bit and similar drilling toolsCHRISTENSEN INC·Filed 1977·Granted Apr 29, 1980·195 cites·23 claims
- 0592US4460053ADrill tool for deep wellsCHRISTENSEN INC·Filed 1981·Granted Jul 17, 1984·117 cites·12 claims
- 0691US5038873ADrilling tool with retractable pilot drilling unitBAKER HUGHES INC·Filed 1990·Granted Aug 13, 1991·145 cites·8 claims
- 0791US4471845ARotary drill bitCHRISTENSEN INC·Filed 1982·Granted Sep 18, 1984·92 cites·13 claims
- 0889US4133516AShock absorber for well drilling pipeCHRISTENSEN INC·Filed 1977·Granted Jan 9, 1979·72 cites·34 claims
- 0988US4092881AApparatus for making-up and breaking threaded pipe connectionsCHRISTENSEN INC·Filed 1976·Granted Jun 6, 1978·66 cites·18 claims
- 1088US3938853AShrink-fit sleeve apparatus for drill stringsCHRISTENSEN DIAMOND PROD CO·Filed 1974·Granted Feb 17, 1976·68 cites·39 claims
- 1184US4498549ACutting member for rotary drill bitCHRISTENSEN INC NORTON·Filed 1982·Granted Feb 12, 1985·60 cites·2 claims
- 1283US4452324ARotary drill bitCHRISTENSEN INC·Filed 1981·Granted Jun 5, 1984·60 cites·1 claims
- 1383US3993368ATool joint wear protectorsCHRISTENSEN DIAMOND PROD CO·Filed 1975·Granted Nov 23, 1976·32 cites·26 claims
- 1482US4415823AGenerator for the production of electrical energyCHRISTENSEN INC·Filed 1981·Granted Nov 15, 1983·56 cites·9 claims
- 1582US4187061ARotary helical fluid motor with deformable sleeve for deep drilling toolCHRISTENSEN INC·Filed 1978·Granted Feb 5, 1980·48 cites·17 claims
- 1680US4614232ADevice for delivering flowable materialCHRISTENSEN INC NORTON·Filed 1985·Granted Sep 30, 1986·41 cites·9 claims
- 1778US4415316ADown hole motorCHRISTENSEN INC·Filed 1981·Granted Nov 15, 1983·50 cites·5 claims
- 1877US4468762ATelemetry equipment in modulesCHRISTENSEN INC·Filed 1981·Granted Aug 28, 1984·49 cites·8 claims
- 1976US4440246ACutting member for rotary drill bitsCHRISTENSEN INC·Filed 1982·Granted Apr 3, 1984·44 cites·6 claims
- 2075US4011918AStabilizer for drill stringsCHRISTENSEN INC·Filed 1976·Granted Mar 15, 1977·38 cites·16 claims
- 2170US4610307AMethod and apparatus for selectively straight or directional drilling in subsurface rock formationNORTON CO·Filed 1985·Granted Sep 9, 1986·40 cites·6 claims
- 2266US4252102ACutting element for processing rocks, metal or the likeCHRISTENSEN INC·Filed 1979·Granted Feb 24, 1981·25 cites·6 claims
- 2362US4641289AProcess and device for transmitting information over a distanceCHRISTENSEN INC NORTON·Filed 1981·Granted Feb 3, 1987·28 cites·1 claims
- 2459US4537097AMethod and apparatus for manufacturing cutting elements particularly for deep drillingCHRISTENSEN INC·Filed 1983·Granted Aug 27, 1985·17 cites·19 claims
- 2558US5029653AMethod for directional coringBAKER HUGHES INC·Filed 1990·Granted Jul 9, 1991·31 cites·7 claims
- 2658US4499563AApparatus for transmitting data from a borehole to the surface of the earth during the operation of a drilling deviceCHRISTENSEN INC·Filed 1982·Granted Feb 12, 1985·23 cites·4 claims
- 2757US4969528AMethod and apparatus for continuous pilot hole coringBAKER HUGHES INC·Filed 1989·Granted Nov 13, 1990·25 cites·12 claims
- 2856US5934383ASteering device for steerable drilling toolBAKER HUGHES INC·Filed 1997·Granted Aug 10, 1999·34 cites·35 claims
- 2956US4452322ADrilling device for drilling a core in deep drill holesCHRISTENSEN INC·Filed 1982·Granted Jun 5, 1984·21 cites·12 claims
- 3051US5052502AApparatus for directional coringBAKER HUGHES INC·Filed 1991·Granted Oct 1, 1991·23 cites·13 claims
- 3151US4905778ADevice for producing pressure pulses in an oil well fluid mediumEASTMAN CHRISTENSEN CO·Filed 1988·Granted Mar 6, 1990·21 cites·9 claims
- 3248US4463815AMechanical jarring toolCHRISTENSEN INC·Filed 1982·Granted Aug 7, 1984·18 cites·11 claims
- 3340US5156222ADirectional drilling tool apparatus and methodBAKER HUGHES INC·Filed 1990·Granted Oct 20, 1992·16 cites·12 claims
- 3440US4873522AMethod for transmitting downhole data in a reduced timeEASTMAN CHRISTENSEN CO·Filed 1987·Granted Oct 10, 1989·12 cites·18 claims
- 3537US4553614ACompensation device for insertion in a drill string for deep-well drilling toolsCHRISTENSEN INC NORTON·Filed 1984·Granted Nov 19, 1985·7 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Rainer Jurgens 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 →