Inventor

GRIFFIN JOHN M

US25 patents

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

GRIFFIN JOHN M

FORGE TECH INC

Valve, pipe and pipe component repair

Valve, pipe and pipe component repair

Apparatus and method of a pneumatic motor propulsion source

Pipe that is friction forge bonded to a ladder support through a stud and a bracket

Pipe that is friction forge bonded to a walkway or ladder through a stud and a bracket

Apparatus for repairing and improving structural integrity of storage tanks

Apparatus and method of a pneumatic motor propulsion source

Plurality of studs being friction welded to an exterior surface of a curved structure having a block patch and a steel patch between the exterior surface and the studs

Friction-welded pipe repair

Friction-welded pipe repair

Friction welding drive apparatus for repair of pipes and valves

Valve, pipe and pipe component repair

Method for repairing and improving structural integrity of storage tanks

Method for repairing and improving structural integrity of storage tanks

Friction welding drive apparatus for repair of pipes and valves

Valve, pipe and pipe component repair

Valve, pipe and pipe component repair

Valve, pipe and pipe component repair

Method for repairing and improving structural integrity of storage tanks

FUSEMATIC CORP

Buoyancy provisions for facilitating underwater friction welding

Automated portable friction welding system and method of operation

Multi-position clamp for friction welding operations

SUNDSTRAND CORP

Electric power system with line failure detection

IBM

System for wet application of a dry film to a panel

GRIFFIN JOHN M

Tetra-sulfo iron-phthalocyanine and related methods