Inventor

BIEDIGER ERIKA ANN OOTEN

US3 patents

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

BAILEY JEFFREY ROBERTS

2 patents

US8261841B2Sep 11, 2012

Coated oil and gas well production devices

BAILEY JEFFREY ROBERTS32 citations88

US8286715B2Oct 16, 2012

Coated sleeved oil and gas well production devices

BAILEY JEFFREY ROBERTS21 citations86

BANGARU NARASIMHA-RAO VENKATA

1 patent

US8220563B2Jul 17, 2012

Ultra-low friction coatings for drill stem assemblies

BANGARU NARASIMHA-RAO VENKATA24 citations86