Inventor

RINK HELM A

US5 patents

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

RESISTOFLEX CORP

2 patents

US4046406ASep 6, 1977

Fire-safe jacket for fluid piping components

RESISTOFLEX CORP55 citations94

US4058328ANov 15, 1977

Heat-responsively self-sealing protective jacket for expansion joints

RESISTOFLEX CORP23 citations76

UNIDYNAMICS CORP

2 patents

US5054523AOct 8, 1991

Containment system for flexible underground piping

UNIDYNAMICS CORP40 citations90

US4819965AApr 11, 1989

Fail-safe bellows assembly with floating guard

UNIDYNAMICS CORP14 citations72

UMC IND

1 patent

US4537425AAug 27, 1985

High integrity flange connection arrangement

UMC IND33 citations90