Inventor · disambiguated record
Volker Kruger
Also filed as: KRUEGER VOLKER · KRUGER VOLKER · KRÜGER VOLKER
13 granted patents·2 pending applications·505 citations·filing 1985–2024
93Inventor score
Files withBAKER HUGHES INC3BRAUN MELSUNGEN AG3EASTMAN CHRISTENSEN CO3KRUEGER VOLKER2CHRISTENSEN INC NORTON1
Top patents by PatentIndex Score
15 records- 0193US5679894AApparatus and method for drilling boreholesBAKER HUGHES INC·Filed 1995·Granted Oct 21, 1997·182 cites·82 claims
- 0292US4892420AFriction bearing for deep well drilling toolsKRUGER VOLKER·Filed 1988·Granted Jan 9, 1990·75 cites·9 claims
- 0380US4739842AApparatus for optional straight or directional drilling underground formationsEASTMAN CHRISTENSEN CO·Filed 1986·Granted Apr 26, 1988·55 cites·33 claims
- 0472US4698794ADevice for remote transmission of informationEASTMAN CHRISTENSEN CO·Filed 1985·Granted Oct 6, 1987·47 cites·7 claims
- 0570US4610307AMethod and apparatus for selectively straight or directional drilling in subsurface rock formationNORTON CO·Filed 1985·Granted Sep 9, 1986·40 cites·6 claims
- 0663US4889195ADrill bit direct drive for deep well drilling toolsKRUEGER VOLKER·Filed 1988·Granted Dec 26, 1989·24 cites·7 claims
- 0757USD684489SOxygen sensor and indicator for medical useKRUEGER VOLKER·Filed 2011·Granted Jun 18, 2013·10 cites·1 claims
- 0855US5343967AApparatus for optional straight or directional drilling underground formationsBAKER HUGHES INC·Filed 1992·Granted Sep 6, 1994·30 cites·12 claims
- 0955US2025170512A1Filter insert for a liquid separator and liquid separatorMANN & HUMMEL GMBH·Filed 2024·Application pending·0 cites
- 1051USD676771SOxygen sensor and indicator for medical useBRAUN MELSUNGEN AG·Filed 2011·Granted Feb 26, 2013·7 cites·1 claims
- 1147US5065826AApparatus for optional straight or directional drilling underground formationsBAKER HUGHES INC·Filed 1989·Granted Nov 19, 1991·16 cites·2 claims
- 1246US2021100906A1Method for producing an oil-in-water emulsion, oil-in-water emulsion, and installation for producing an oil-in-water emulsionBRAUN MELSUNGEN AG·Filed 2019·Application pending·0 cites
- 1344US4854401ADrill bit direct drive for deep well drilling toolsEASTMAN CHRISTENSEN CO·Filed 1988·Granted Aug 8, 1989·11 cites·19 claims
- 1438US9789122B2Hormone containing emulsionBRAUN MELSUNGEN AG·Filed 2013·Granted Oct 17, 2017·0 cites·11 claims
- 1536US4629013ADrive device for a drill bitCHRISTENSEN INC NORTON·Filed 1985·Granted Dec 16, 1986·8 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →