Leonard Jenski

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Roselle, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for detecting miswiring of an electrical appliance
- Patent number 8,781,784
- Issue date Jul 15, 2014
- Robertshaw Controls Company
- Leonard W. Jenski
- G01 - MEASURING TESTING
Information Patent Grant
Adaptive defrost control circuit with relay power saving feature
- Patent number 7,587,906
- Issue date Sep 15, 2009
- Robertshaw Controls Company
- Bay Estes
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Driver circuitry for latching type valve and the like
- Patent number 6,262,620
- Issue date Jul 17, 2001
- Ranco Incorporated of Delaware
- Leonard W. Jenski
- G01 - MEASURING TESTING
Information Patent Grant
Zero cross relay actuation method and system implementing same
- Patent number 6,233,132
- Issue date May 15, 2001
- Ranco Incorporated of Delaware
- Leonard Jenski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Self-test routine for LED display
- Patent number 6,087,846
- Issue date Jul 11, 2000
- Ranco Incorporated of Delware
- Robert J. Alvord
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Self-test routine and circuit for LED display
- Patent number 6,028,441
- Issue date Feb 22, 2000
- Robert J. Alvord
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
System and Method for Detecting Miswiring of an Electrical Appliance
- Publication number 20120191399
- Publication date Jul 26, 2012
- ROBERTSHAW CONTROLS COMPANY
- Leonard W. Jenski
- G01 - MEASURING TESTING
Information Patent Application
System and method for determining defrost power delivered by a defr...
- Publication number 20070234748
- Publication date Oct 11, 2007
- Robertshaw Controls Company
- Robert J. Alvord
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Adaptive defrost control circuit with relay power saving feature
- Publication number 20070209375
- Publication date Sep 13, 2007
- Robertshaw Controls Company
- Bay Estes
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Damper door control from adaptive defrost control
- Publication number 20060218950
- Publication date Oct 5, 2006
- Robertshaw Controls Company
- Leonard W. Jenski
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...