42 Utility and 1 Design Patents
#1 in Hockley, TX
#1,915 in Texas
#27,668 in US
#52,456 in the World
rank by utility patentsForward Citations = 867
Company Filing History:
Varco I/p, Inc.

Other
4. 1 out of 1
Yanco I/p, Inc.
5. 1 out of 5
Drexel Oilfield Services, Inc.
Get your Inventor Badge Today