Inventor

HETTINGER FREDRIC L

US3 patents

⚠️ This page may combine multiple inventors who share the name “HETTINGER FREDRIC L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MOBIL CORP

1 patent

US4182584AJan 8, 1980

Marine production riser system and method of installing same

MOBIL CORP101 citations94

SONSUB INC

1 patent

US6200068B1Mar 13, 2001

Hot tap fluid blaster apparatus and method of using same

SONSUB INC81 citations91

VETCO OFFSHORE IND INC

1 patent

US4397357AAug 9, 1983

Disconnectable production riser assembly

VETCO OFFSHORE IND INC27 citations78