Leo Block

Follow

Person

Westlake Village, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Securement of heat exchanger surfaces to tubes by lock seaming and...
- Patent number 4,160,476
- Issue date Jul 10, 1979
- Raypak, Inc.
- Larry J. Ashton
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Securement of heat exchanger surfaces to tubes and method of fabric...
- Patent number 4,158,908
- Issue date Jun 26, 1979
- Raypak, Inc.
- Leo Block
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Temperature control of heat exchanger with bypass
- Patent number 4,086,956
- Issue date May 2, 1978
- Raypak, Incorporated
- Leo Block
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Control valve means particularly adapted for swimming pool heater i...
- Patent number 4,061,132
- Issue date Dec 6, 1977
- Larry Ashton
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Servo modulating regulating control system
- Patent number 3,997,107
- Issue date Dec 14, 1976
- Raypak, Inc.
- Leo Block
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Means for coupling and sealing membrane carrying tube sections
- Patent number 3,992,045
- Issue date Nov 16, 1976
- Rev-O-Pak, Inc.
- Alfred Whittell
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL