Darrel Sand

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Okemos, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Stand alone liquid cooled brake system
- Patent number 9,657,795
- Issue date May 23, 2017
- Darrel R. Sand
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Fail safe engine coolant thermostat
- Patent number 9,292,020
- Issue date Mar 22, 2016
- Darrel R. Sand
- G05 - CONTROLLING REGULATING
Information Patent Grant
Fail safe engine coolant thermostat
- Patent number 8,556,186
- Issue date Oct 15, 2013
- Darrel Sand
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Zero ridge cylinder bore
- Patent number 8,413,632
- Issue date Apr 9, 2013
- Darrel Sand
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Variable displacement vehicle engine and solid torque tube drive train
- Patent number 6,273,208
- Issue date Aug 14, 2001
- Darrel R. Sand
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Ring gap seal
- Patent number 4,358,121
- Issue date Nov 9, 1982
- Darrel R. Sand
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Closed loop combustion pressure control
- Patent number 3,977,373
- Issue date Aug 31, 1976
- General Motors Corporation
- Darrel R. Sand
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
IMPINGING OIL FILTER
- Publication number 20160215665
- Publication date Jul 28, 2016
- Darrel R. Sand
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
STAND ALONE LIQUID COOLED BRAKE SYSTEM
- Publication number 20140202807
- Publication date Jul 24, 2014
- Darrel R. Sand
- B60 - VEHICLES IN GENERAL
Information Patent Application
FAIL SAFE ENGINE COOLANT THERMOSTAT
- Publication number 20140034740
- Publication date Feb 6, 2014
- Darrel R. Sand
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
LIQUID COOLED BRAKE
- Publication number 20110005852
- Publication date Jan 13, 2011
- Darrel R. Sand
- B60 - VEHICLES IN GENERAL
Information Patent Application
ZERO RIDGE CYLINDER BORE
- Publication number 20100307443
- Publication date Dec 9, 2010
- Darrel Sand
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FAIL SAFE ENGINE COOLANT THERMOSTAT
- Publication number 20100282191
- Publication date Nov 11, 2010
- Darrel Sand
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES