Inventor
ALLEN ROBERT STEVEN
US4 patents
⚠️ This page may combine multiple inventors who share the name “ALLEN ROBERT STEVEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALLEN ROBERT STEVEN
3 patentsUS8196649B2Jun 12, 2012
Thru diverter wellhead with direct connecting downhole control
ALLEN ROBERT STEVEN14 citations79
US10841777B1Nov 17, 2020
Professional qualification tracking and management system and method
ALLEN ROBERT STEVEN3 citations66
US8091648B2Jan 10, 2012
Direct connecting downhole control system
ALLEN ROBERT STEVEN2 citations56