Inventor
SZYMCZAK EDWARD J
US8 patents
⚠️ This page may combine multiple inventors who share the name “SZYMCZAK EDWARD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CAMERON IRON WORKS INC
7 patentsUS4766956AAug 30, 1988
Wellhead annular seal
CAMERON IRON WORKS INC28 citations91
US4474381AOct 2, 1984
Metal pipe joint seal ring with port to control erosion
CAMERON IRON WORKS INC37 citations90
US4169507AOct 2, 1979
Underwater well apparatus
CAMERON IRON WORKS INC21 citations80
US4869319ASep 26, 1989
Wellhead structure
CAMERON IRON WORKS INC21 citations78
US4925220AMay 15, 1990
Tubular joint
CAMERON IRON WORKS INC7 citations72
US4515400AMay 7, 1985
Wellhead assembly
CAMERON IRON WORKS INC11 citations72
US4015864AApr 5, 1977
Well apparatus
CAMERON IRON WORKS INC0 citations40