P

Inventor

BLOCK LEO

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

RAYPAK INC

4 patents
US4160476AJul 10, 1979

Securement of heat exchanger surfaces to tubes by lock seaming and method of fabrication

RAYPAK INC20 citations81
US4158908AJun 26, 1979

Securement of heat exchanger surfaces to tubes and method of fabrication

RAYPAK INC28 citations81
US4086956AMay 2, 1978

Temperature control of heat exchanger with bypass

RAYPAK INC29 citations79
US3997107ADec 14, 1976

Servo modulating regulating control system

RAYPAK INC14 citations72

QUANTUM GROUP INC

1 patent
US5400765AMar 28, 1995

Selective emissive cooking stove

QUANTUM GROUP INC39 citations92

ASHTON LARRY

1 patent
US4061132ADec 6, 1977

Control valve means particularly adapted for swimming pool heater installations embodying a solar heater

ASHTON LARRY29 citations76

REV O PAK INC

1 patent
US3992045ANov 16, 1976

Means for coupling and sealing membrane carrying tube sections

REV O PAK INC9 citations60