Inventor

NANNY WALTER C

4 patents

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

SHELL OIL CO

3 patents

US4719687AJan 19, 1988

Method for sealing, pressure-testing, and transporting a multi-pipe segment

SHELL OIL CO32 citations89

US4438754AMar 27, 1984

Method for sensing and remotely controlling a tool to workpiece spatial relationship

SHELL OIL CO18 citations71

US4080799AMar 28, 1978

Mechanical pipe end seal/alignment device

SHELL OIL CO16 citations70

NANNY WALTER C

1 patent

US3937240AFeb 10, 1976

Check valve

NANNY WALTER C47 citations86