John Hancock

Person

Carmel, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dry test strip with controlled flow and method of manufacturing same
- Patent number 8,465,696
- Issue date Jun 18, 2013
- Polymer Technology Systems, Inc.
- Robert Huffstodt
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for servicing automotive refrigeration systems
- Patent number 5,758,506
- Issue date Jun 2, 1998
- White Industries, LLC
- John P. Hancock
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Refrigerant recovery device
- Patent number 5,335,512
- Issue date Aug 9, 1994
- K-Whit Tools, Inc.
- John P. Hancock
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant charging system controlled by charging pressure change...
- Patent number 5,317,903
- Issue date Jun 7, 1994
- K-Whit Tools, Inc.
- Ralph A. McClelland
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant charging system and control system therefor
- Patent number 5,231,841
- Issue date Aug 3, 1993
- Ralph A. McClelland
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant recovery device with vacuum operated check valve
- Patent number 5,222,369
- Issue date Jun 29, 1993
- K-Whit Tools, Inc.
- John P. Hancock
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant recovery device
- Patent number 5,186,017
- Issue date Feb 16, 1993
- K-Whit Tools, Inc.
- John P. Hancock
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Refrigerant recovery device
- Patent number 5,168,721
- Issue date Dec 8, 1992
- K-Whit Tools, Inc.
- John P. Hancock
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant recovery device
- Patent number 4,942,741
- Issue date Jul 24, 1990
- John P. Hancock
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Automotive air-conditioning servicing system and method
- Patent number 4,755,957
- Issue date Jul 5, 1988
- K-White Tools, Incorporated
- Daniel White
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Refillable gas burning lighter
- Patent number 4,255,119
- Issue date Mar 10, 1981
- K-Whit Tools Incorporated
- Kenneth R. White
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents

Information Patent Application
DRY TEST STRIP WITH CONTROLLED FLOW AND METHOD OF MANUFACTURING SAME
- Publication number 20080112848
- Publication date May 15, 2008
- Polymer Technology Systems, Inc.
- Robert Huffstodt
- G01 - MEASURING TESTING

John Hancock

Person

Patents Grantslast 30 patents

Dry test strip with controlled flow and method of manufacturing same

Method and apparatus for servicing automotive refrigeration systems

Refrigerant recovery device

Refrigerant charging system controlled by charging pressure change...

Refrigerant charging system and control system therefor

Refrigerant recovery device with vacuum operated check valve

Refrigerant recovery device

Refrigerant recovery device

Refrigerant recovery device

Automotive air-conditioning servicing system and method

Refillable gas burning lighter

Patents Applicationslast 30 patents

DRY TEST STRIP WITH CONTROLLED FLOW AND METHOD OF MANUFACTURING SAME