Darryl L. Ruark

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Lugoff, SC, US

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Patents Grantslast 30 patents

Information Patent Grant
Combustion burner for a water heater
- Patent number 6,036,480
- Issue date Mar 14, 2000
- AOS Holding Company
- Dennis R. Hughes
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Hot water storage heater
- Patent number 5,735,237
- Issue date Apr 7, 1998
- AOS Holding Company
- Peter J. Phillip
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Wipe entry arrangement for components in a protective dam area of a...
- Patent number 5,299,280
- Issue date Mar 29, 1994
- AOS Holding Company
- Darryl L. Ruark
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Water heater with power vent access door
- Patent number 4,872,443
- Issue date Oct 10, 1989
- A. O. Smith Corporation
- Darryl L. Ruark
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Access door construction for a water heater
- Patent number 4,777,933
- Issue date Oct 18, 1988
- A. O. Smith Corporation
- Darryl L. Ruark
- F24 - HEATING RANGES VENTILATING