Calvin Andrew Nelson

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York, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for controlling a purge unit of a vapor compres...
- Patent number 11,635,238
- Issue date Apr 25, 2023
- Johnson Controls Tyco IP Holdings LLP
- David Andrew Bradshaw
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Activation and deactivation of a purge unit of a vapor compression...
- Patent number 11,466,912
- Issue date Oct 11, 2022
- Johnson Controls Tyco IP Holdings LLP
- David Andrew Bradshaw
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR CONTROLLING A PURGE UNIT OF A VAPOR COMPRES...
- Publication number 20230228467
- Publication date Jul 20, 2023
- Johnson Controls Tyco IP Holdings LLP
- David Andrew Bradshaw
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ACTIVATION AND DEACTIVATION OF A PURGE UNIT OF A VAPOR COMPRESSION...
- Publication number 20200240690
- Publication date Jul 30, 2020
- Johnson Controls Technology Company
- David Andrew Bradshaw
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEMS AND METHODS FOR CONTROLLING A PURGE UNIT OF A VAPOR COMPRES...
- Publication number 20200240685
- Publication date Jul 30, 2020
- Johnson Controls Technology Company
- David Andrew Bradshaw
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...