Douglas C. Appel

Person

Glendora, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Engine cooling system flushing apparatus and method
- Patent number RE31274
- Issue date Jun 14, 1983
- Wynn Oil Company
- John A. Babish
- 165 - Heat exchange
Information Patent Grant
Engine cooling system flushing apparatus and method
- Patent number 4,293,031
- Issue date Oct 6, 1981
- Wynn Oil Company
- John A. Babish
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Engine cooling system flushing apparatus and method
- Patent number 4,209,063
- Issue date Jun 24, 1980
- Wynn Oil Company
- John A. Babish
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine coolant system flush attachment for coolant hose
- Patent number 4,178,134
- Issue date Dec 11, 1979
- Wynn Oil Company
- John A. Babish
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine cooling system flushing apparatus and method
- Patent number 4,109,703
- Issue date Aug 29, 1978
- Wynn Oil Company
- John A. Babish
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-pressurized, safety anti-freeze tank
- Patent number 4,091,865
- Issue date May 30, 1978
- Wynn Oil Company
- John A. Babish
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Valving for engine cooling system flushing apparatus and method
- Patent number 4,083,399
- Issue date Apr 11, 1978
- Wynn Oil Company
- John A. Babish
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Douglas C. Appel

Person

Patents Grantslast 30 patents

Engine cooling system flushing apparatus and method

Engine cooling system flushing apparatus and method

Engine cooling system flushing apparatus and method

Engine coolant system flush attachment for coolant hose

Engine cooling system flushing apparatus and method

Air-pressurized, safety anti-freeze tank

Valving for engine cooling system flushing apparatus and method