Inventor
HATCH BRUCE O
US9 patents
Patents
9 patentsUS4748312AMay 31, 1988
Plasma-arc torch with gas cooled blow-out electrode
THERMAL DYNAMICS CORP70 citations95
US4701590AOct 20, 1987
Spring loaded electrode exposure interlock device
THERMAL DYNAMICS CORP69 citations95
US4954683ASep 4, 1990
Plasma arc gouger
THERMAL DYNAMICS CORP46 citations91
US4558201ADec 10, 1985
Plasma-arc torch with gas cooled blow-out electrode
THERMAL DYNAMICS CORP33 citations91
US4585921AApr 29, 1986
Torch operation interlock device
THERMAL DYNAMICS CORP27 citations90
US4691094ASep 1, 1987
Plasma-arc torch with sliding gas valve interlock
THERMAL DYNAMICS CORP22 citations81
US4581516AApr 8, 1986
Plasma torch with a common gas source for the plasma and for the secondary gas flows
THERMAL DYNAMICS CORP23 citations81
US4663515AMay 5, 1987
Plasma-arc torch interlock with flow sensing
THERMAL DYNAMICS CORP23 citations79
US4663512AMay 5, 1987
Plasma-arc torch interlock with pressure sensing
THERMAL DYNAMICS CORP14 citations71