Robert W. Ryno

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Mequon, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Gas water heater with improved exhaust distribution in multiple flues
- Patent number 5,197,456
- Issue date Mar 30, 1993
- AOS Holding Company
- Robert W. Ryno
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Nozzle mix, open power burner
- Patent number 4,978,293
- Issue date Dec 18, 1990
- A. O. Smith Corporation
- Robert W. Ryno
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Scale agitator
- Patent number 4,898,124
- Issue date Feb 6, 1990
- A. O. Smith Corporation
- Dirk N. Granberg
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Self-contained electric igniter with rechargeable battery
- Patent number 4,131,413
- Issue date Dec 26, 1978
- A. O. Smith Corporation
- Robert W. Ryno
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES