Houston, Texas
United States
6
2020-01-16
The entities that hold a legal rights for patent applications filed by inventor Hunter Rick C.:
Rick C. Hunter from Houston, US has applied for patents for these inventions. The list has both pending applications and granted patents:
EXTREME SERVICE PLUG VALVE
#2 | 2017-10-05Wellhead metal seal with energizing ring having trapped fluid reliefs
#3 | 2016-07-14Extreme service plug valve
#4 | 2015-03-12Positive retention lock ring for tubing hanger
#5 | 2013-01-24High temperature coating resistant to damage from decompression
#6 | 2012-06-21Emergency subsea wellhead closure devices
48045 ⎘