Inventor

BERGREN PAUL A

US5 patents

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

BAKER HUGHES INC

3 patents

US7614302B2Nov 10, 2009

Acoustic fluid analysis method

BAKER HUGHES INC18 citations83

US7826050B2Nov 2, 2010

System and method for dual path length optical analysis of fluids downhole

BAKER HUGHES INC7 citations72

US7540165B2Jun 2, 2009

Downhole sorption cooling and heating in wireline logging and monitoring while drilling

BAKER HUGHES INC6 citations72

WESTERN ATLAS INT INC

1 patent

US5606124AFeb 25, 1997

Apparatus and method for determining the gravitational orientation of a well logging instrument

WESTERN ATLAS INT INC64 citations94

DIFOGGIO ROCCO

1 patent

US8893547B2Nov 25, 2014

Acoustic transducers using quantum tunneling composite active elements

DIFOGGIO ROCCO4 citations71