Inventor
LAW ROBERT K
US4 patents
⚠️ This page may combine multiple inventors who share the name “LAW ROBERT K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VETCO GRAY INC
3 patentsUS4770250ASep 13, 1988
Hydraulically actuated lock pin for well pipe hanger
VETCO GRAY INC27 citations90
US7975983B2Jul 12, 2011
System, method and apparatus for split gate valve with mechanically isolated seal surfaces
VETCO GRAY INC36 citations89
US6929244B1Aug 16, 2005
Interference-fit seal for gate valves
VETCO GRAY INC11 citations71