Inventor

CONTRERAS MARIA R

US3 patents

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

CAMERON INT CORP

2 patents

US9422788B2Aug 23, 2016

Straight-bore back pressure valve

CAMERON INT CORP5 citations80

US9725969B2Aug 8, 2017

Positive lock system

CAMERON INT CORP0 citations48

NGUYEN DENNIS P

1 patent

US8636058B2Jan 28, 2014

Straight-bore back pressure valve

NGUYEN DENNIS P9 citations80