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Inventor

GRUNBECK JOHN

US11 patents
⚠️ This page may combine multiple inventors who share the name “GRUNBECK JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WEATHERFORD LAMB

6 patents
US6445868B1Sep 3, 2002

Optical fiber feedthrough assembly and method of making same

WEATHERFORD LAMB35 citations89
US6526212B1Feb 25, 2003

Optical fiber bulkhead feedthrough assembly and method of making same

WEATHERFORD LAMB43 citations86
US7447390B2Nov 4, 2008

Pressure transducer with optical waveguide feedthrough assembly

WEATHERFORD LAMB18 citations81
US7844150B2Nov 30, 2010

Optical connector assembly

WEATHERFORD LAMB1 citations60
US7264404B2Sep 4, 2007

Optical connector assembly

WEATHERFORD LAMB2 citations60
US7703988B2Apr 27, 2010

Optical connector assembly

WEATHERFORD LAMB0 citations49

BAKER HUGHES INC

1 patent
US5251708AOct 12, 1993

Modular connector for measurement-while-drilling tool

BAKER HUGHES INC134 citations96

TELECO OILFIED SERVICES INC

1 patent
US5144126ASep 1, 1992

Apparatus for nuclear logging employing sub wall mounted detectors and electronics, and modular connector assemblies

TELECO OILFIED SERVICES INC44 citations91

TELECO OILFIELD SERVICES INC

1 patent
US5216242AJun 1, 1993

Apparatus for nuclear logging employing sub wall mounted detectors and modular connector assemblies

TELECO OILFIELD SERVICES INC29 citations90

WEATHERFORD LAMB INC

1 patent
US9423564B2Aug 23, 2016

Optical waveguide feedthrough assembly

WEATHERFORD LAMB INC1 citations60

DUNPHY JAMES R

1 patent
US8422835B2Apr 16, 2013

Optical waveguide feedthrough assembly

DUNPHY JAMES R3 citations58