Inventor
WITT ROBERT L
US6 patents
⚠️ This page may combine multiple inventors who share the name “WITT ROBERT L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FMC CORP
4 patentsUS4867483ASep 19, 1989
Pipe connector device
FMC CORP37 citations90
US4489953ADec 25, 1984
Fire-safe seal for swivel joint
FMC CORP15 citations71
US4431217AFeb 14, 1984
Fire-safe seal for swivel joint
FMC CORP17 citations71
US6007048ADec 28, 1999
Satellite seal arrangement for plug valve, ball valve or gate valve
FMC CORP5 citations60