Douglas J. Hovel

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Lincoln, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for monitoring a cabin of a machine
- Patent number 10,352,084
- Issue date Jul 16, 2019
- Caterpillar Inc.
- Douglas John Hovel
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Controlling HVAC speed of condenser fans using pressure sensors
- Patent number 9,809,088
- Issue date Nov 7, 2017
- Caterpillar Inc.
- Douglas J. Hovel
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR MONITORING A CABIN OF A MACHINE
- Publication number 20190017312
- Publication date Jan 17, 2019
- Caterpillar Inc.
- Douglas John Hovel
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING AIR CONDITIONING SYSTEM
- Publication number 20150052916
- Publication date Feb 26, 2015
- Caterpillar Inc.
- Daniel A. Spurgeon
- B60 - VEHICLES IN GENERAL
Information Patent Application
Controlling HVAC Condenser Fans Using Pressure Sensors
- Publication number 20140360211
- Publication date Dec 11, 2014
- Douglas J. Hovel
- B60 - VEHICLES IN GENERAL
Information Patent Application
Hydraulic Power System for HVAC Compressor
- Publication number 20140086759
- Publication date Mar 27, 2014
- Douglas J. Hovel
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...