Douglas D. Bird

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Dayton, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Humidity sensing circuit
- Patent number 5,757,195
- Issue date May 26, 1998
- Honeywell Inc.
- Douglas D. Bird
- G01 - MEASURING TESTING
Information Patent Grant
Resistance to frequency circuit for measuring ambient temperature o...
- Patent number 5,744,973
- Issue date Apr 28, 1998
- Honeywell Inc.
- Douglas D. Bird
- G01 - MEASURING TESTING
Information Patent Grant
Method of maximizing the efficiency of an environmental control sys...
- Patent number 5,361,983
- Issue date Nov 8, 1994
- Honeywell, Inc.
- Douglas D. Bird
- G05 - CONTROLLING REGULATING
Information Patent Grant
Setback thermostat with recovery start time selected non-linearly
- Patent number 5,025,984
- Issue date Jun 25, 1991
- Honeywell Inc.
- Douglas D. Bird
- G05 - CONTROLLING REGULATING
Information Patent Grant
Thermostat with means for disabling PID control
- Patent number 4,991,770
- Issue date Feb 12, 1991
- Honeywell Inc.
- Douglas D. Bird
- G05 - CONTROLLING REGULATING