Clifford C. Federspiel

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Shorewood, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Adaptive flow controller for use with a flow control system
- Patent number 5,875,109
- Issue date Feb 23, 1999
- Johnson Service Company
- Clifford C. Federspiel
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Optimal ventilation control strategy
- Patent number 5,862,982
- Issue date Jan 26, 1999
- Johnson Service Company
- Clifford C. Federspiel
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Adaptive flow controller for use with a flow control system
- Patent number 5,768,121
- Issue date Jun 16, 1998
- Johnson Service Company
- Clifford C. Federspiel
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and apparatus for estimating the rate at which a gas is gene...
- Patent number 5,550,752
- Issue date Aug 27, 1996
- Johnson Service Company
- Clifford C. Federspiel
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and apparatus for estimating the rate at which a gas is gene...
- Patent number 5,464,369
- Issue date Nov 7, 1995
- Johnson Service Company
- Clifford C. Federspiel
- F24 - HEATING RANGES VENTILATING