Rick N. Mecham

Follow

Person

Spring, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Full closure core catcher
- Patent number 9,816,337
- Issue date Nov 14, 2017
- National-Oilwell Varco, L.P.
- Jiri Zastresek
- E21 - EARTH DRILLING MINING
Information Patent Grant
Adjustable coring assembly and method of using same
- Patent number 9,494,004
- Issue date Nov 15, 2016
- National-Oilwell Varco, L.P.
- Khoi Trinh
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ADJUSTABLE CORING ASSEMBLY AND METHOD OF USING SAME
- Publication number 20150176355
- Publication date Jun 25, 2015
- National-Oilwell Varco, L.P.
- Khoi Trinh
- E21 - EARTH DRILLING MINING
Information Patent Application
FULL CLOSURE CORE CATCHER
- Publication number 20130092442
- Publication date Apr 18, 2013
- National-Oilwell Varco, L.P.
- Jiri Zastresek
- E21 - EARTH DRILLING MINING