James W. Ratz

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Bloomington, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
System powered power supply using dual transformer HVAC systems
- Patent number 5,352,930
- Issue date Oct 4, 1994
- Honeywell Inc.
- James W. Ratz
- G05 - CONTROLLING REGULATING
Information Patent Grant
Electronic time thermostat with a temporary next period adjustment...
- Patent number 5,230,482
- Issue date Jul 27, 1993
- Honeywell Inc.
- James W. Ratz
- G05 - CONTROLLING REGULATING
Information Patent Grant
Active low temperature limit for battery powered thermostat
- Patent number 5,226,591
- Issue date Jul 13, 1993
- Honeywell Inc.
- James W. Ratz
- G05 - CONTROLLING REGULATING
Information Patent Grant
Communicating thermostat
- Patent number 5,203,497
- Issue date Apr 20, 1993
- Honeywell Inc.
- James W. Ratz
- G05 - CONTROLLING REGULATING
Information Patent Grant
Communicating thermostat
- Patent number 5,197,668
- Issue date Mar 30, 1993
- Honeywell Inc.
- James W. Ratz
- G05 - CONTROLLING REGULATING
Information Patent Grant
Servo apparatus with electrical motion limiting
- Patent number 4,250,441
- Issue date Feb 10, 1981
- Honeywell Inc.
- James Chapman
- G05 - CONTROLLING REGULATING