Inventor

EVENSON ROBERT S

CA2 patents

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

BJ SERVICES CO

1 patent

US6232773B1May 15, 2001

Consistent drag floating backing bar system for pipeline pigs and method for using the same

BJ SERVICES CO59 citations87

REVOLVE TECHNOLOGIES INC

1 patent

US5609342AMar 11, 1997

Gas shaft seal with flexible converging sealing faces

REVOLVE TECHNOLOGIES INC34 citations86