John C. Hedrick

Person

Boerne, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Exhaust gas temperature assist for two-cycle uniflow scavenged dies...
- Patent number 10,837,385
- Issue date Nov 17, 2020
- Yelir, Inc.
- Michael B. Riley
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Intake air boost system for two-cycle engine having roots blowers
- Patent number 10,690,045
- Issue date Jun 23, 2020
- Southwest Research Institute
- John C. Hedrick
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Partial-flow diesel particulate filter using pressure regulated bypass
- Patent number 10,428,707
- Issue date Oct 1, 2019
- Southwest Research Institute
- Steven G. Fritz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Intake air boost system for two-cycle engine having turbo-supercharger
- Patent number 9,995,206
- Issue date Jun 12, 2018
- Southwest Research Institute
- John C. Hedrick
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Dual-fuel diesel engine with cylinder fueling control of gaseous fu...
- Patent number 9,803,571
- Issue date Oct 31, 2017
- Southwest Research Institute
- John C. Hedrick
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Locomotive engine charge air cooling system and method for cooling...
- Patent number 7,059,278
- Issue date Jun 13, 2006
- Southwest Research Institute
- John C. Hedrick
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Fuel injector timing tool
- Patent number 6,990,857
- Issue date Jan 31, 2006
- Southwest Research Institute
- Gary D. Bourn
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
On-board fuel vapor collection, condensation, storage and distribut...
- Patent number 6,494,192
- Issue date Dec 17, 2002
- Southwest Research Institute
- William K. Capshaw
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Opposed piston engine with reserve power capacity
- Patent number 6,318,309
- Issue date Nov 20, 2001
- Southwest Research Institute
- Robert Wayne Burrahm
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Plunger-activated unit injector for internal combustion engines
- Patent number 6,227,174
- Issue date May 8, 2001
- Southwest Research Institute
- John C. Hedrick
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of operating uni-flow two-cycle engine during reduced load c...
- Patent number 6,062,178
- Issue date May 16, 2000
- Southwest Research Institute
- David P. Meyers
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System and method for a dual fuel, direct injection combustion engine
- Patent number 5,890,459
- Issue date Apr 6, 1999
- Southwest Research Institute
- John C. Hedrick
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Exhaust Gas Temperature Assist for Two-Cycle Uniflow Scavenged Dies...
- Publication number 20190353113
- Publication date Nov 21, 2019
- Yelir, Inc.
- Michael B. Riley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Intake Air Boost System For Two-Cycle Engine Having Roots Blowers
- Publication number 20180252153
- Publication date Sep 6, 2018
- SOUTHWEST RESEARCH INSTITUTE
- John C. Hedrick
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Intake Air Boost System for Two-Cycle Engine Having Turbo-Supercharger
- Publication number 20170292438
- Publication date Oct 12, 2017
- SOUTHWEST RESEARCH INSTITUTE
- John C. HEDRICK
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Dual-Fuel Diesel Engine With Cylinder Fueling Control of Gaseous Fu...
- Publication number 20170211490
- Publication date Jul 27, 2017
- SOUTHWEST RESEARCH INSTITUTE
- John C. Hedrick
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PARTIAL-FLOW DIESEL PARTICULATE FILTER USING PRESSURE REGULATED BYPASS
- Publication number 20150240681
- Publication date Aug 27, 2015
- SOUTHWEST RESEARCH INSTITUTE
- Steven G. FRITZ
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Locomotive engine charge air cooling system and method for cooling...
- Publication number 20050193963
- Publication date Sep 8, 2005
- John C. Hedrick
- B60 - VEHICLES IN GENERAL
Information Patent Application
ON-BOARD FUEL VAPOR COLLECTION, CONDENSATION, STORAGE AND DISTRIBUT...
- Publication number 20020185115
- Publication date Dec 12, 2002
- William K. Capshaw
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

John C. Hedrick

Person

Patents Grantslast 30 patents

Exhaust gas temperature assist for two-cycle uniflow scavenged dies...

Intake air boost system for two-cycle engine having roots blowers

Partial-flow diesel particulate filter using pressure regulated bypass

Intake air boost system for two-cycle engine having turbo-supercharger

Dual-fuel diesel engine with cylinder fueling control of gaseous fu...

Locomotive engine charge air cooling system and method for cooling...

Fuel injector timing tool

On-board fuel vapor collection, condensation, storage and distribut...

Opposed piston engine with reserve power capacity

Plunger-activated unit injector for internal combustion engines

Method of operating uni-flow two-cycle engine during reduced load c...

System and method for a dual fuel, direct injection combustion engine

Patents Applicationslast 30 patents

Exhaust Gas Temperature Assist for Two-Cycle Uniflow Scavenged Dies...

Intake Air Boost System For Two-Cycle Engine Having Roots Blowers

Intake Air Boost System for Two-Cycle Engine Having Turbo-Supercharger

Dual-Fuel Diesel Engine With Cylinder Fueling Control of Gaseous Fu...

PARTIAL-FLOW DIESEL PARTICULATE FILTER USING PRESSURE REGULATED BYPASS

Locomotive engine charge air cooling system and method for cooling...

ON-BOARD FUEL VAPOR COLLECTION, CONDENSATION, STORAGE AND DISTRIBUT...