Carl F. Klein

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Milwaukee, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Capacitance humidity sensor
- Patent number 5,408,381
- Issue date Apr 18, 1995
- Johnson Service Company
- Paul E. Thoma
- G01 - MEASURING TESTING
Information Patent Grant
Elastomer type low pressure sensor
- Patent number 5,090,246
- Issue date Feb 25, 1992
- Johnson Service Corp.
- Jeannine O. Colla
- G01 - MEASURING TESTING
Information Patent Grant
Fabrication of non-conductive charged sensing probe unit
- Patent number 4,397,702
- Issue date Aug 9, 1983
- Johnson Controls, Inc.
- Carl F. Klein
- G01 - MEASURING TESTING
Information Patent Grant
Broad spectrum charged electric field polar gas sensing and detecti...
- Patent number 4,387,369
- Issue date Jun 7, 1983
- Johnson Controls, Inc.
- Carl F. Klein
- G08 - SIGNALLING
Information Patent Grant
Charged non-conductive polar gas sensing element and detection system
- Patent number 4,264,331
- Issue date Apr 28, 1981
- Johnson Controls, Inc.
- Carl F. Klein
- G08 - SIGNALLING
Information Patent Grant
Non-conductive polar gas sensing element and detection system
- Patent number 4,247,299
- Issue date Jan 27, 1981
- Johnson Controls, Inc.
- Carl F. Klein
- G01 - MEASURING TESTING
Information Patent Grant
Sensing element and detection system employing such element for det...
- Patent number 3,989,463
- Issue date Nov 2, 1976
- Johnson Controls, Inc.
- Carl F. Klein
- G08 - SIGNALLING