Inventor
HENDERSON JR HERMAN O
US11 patents
⚠️ This page may combine multiple inventors who share the name “HENDERSON JR HERMAN O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VETCO GRAY INC ABB
5 patentsUS5456314AOct 10, 1995
Wellhead annulus seal
VETCO GRAY INC ABB110 citations97
US5360063ANov 1, 1994
Wear bushing with locking collet
VETCO GRAY INC ABB36 citations92
US5199495AApr 6, 1993
Split wear bushing for a drilling rig
VETCO GRAY INC ABB25 citations92
US5350017ASep 27, 1994
Elastomeric seal with reinforcing ring
VETCO GRAY INC ABB15 citations73
US5226478AJul 13, 1993
Cement port closure sleeve for a subsea well
VETCO GRAY INC ABB13 citations73