Inventor

RICHARDSON MURL RAY

US3 patents

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

SUNSTONE CORP

2 patents

US7380590B2Jun 3, 2008

Rotating pressure control head

SUNSTONE CORP56 citations95

US8028750B2Oct 4, 2011

Force balanced rotating pressure control device

SUNSTONE CORP21 citations90

SUNSTONE TECHNOLOGIES LLC

1 patent

US7743823B2Jun 29, 2010

Force balanced rotating pressure control device

SUNSTONE TECHNOLOGIES LLC36 citations87