Jeffrey Hollowell

Follow

Person

Commerce, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multimode engines with advanced valvetrain systems and methods of use
- Patent number 12,146,447
- Issue date Nov 19, 2024
- Hyundai Motor Company
- Shengrong Zhu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Active method for cold start emissions reduction
- Patent number 12,123,369
- Issue date Oct 22, 2024
- Hyundai Motor Company
- Shengrong Zhu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Split cycle waste heat method for combustion initiation in gasoline...
- Patent number 12,006,884
- Issue date Jun 11, 2024
- Hyundai Motor Company
- Mark Shirley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Combustion engine mode optimization
- Patent number 11,459,995
- Issue date Oct 4, 2022
- Hyundai Motor Company
- Antowan Zyada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
ACTIVE METHOD FOR COLD START EMISSIONS REDUCTION
- Publication number 20240263597
- Publication date Aug 8, 2024
- Hyundai Motor Company
- Shengrong Zhu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
HYBRID VEHICLE WITH A PRECHAMBER COMBUSTION ENGINE
- Publication number 20230242094
- Publication date Aug 3, 2023
- Hyundai Motor Company
- Mayuri Wagh
- B60 - VEHICLES IN GENERAL
Information Patent Application
VALVE SEAL REMOVAL TOOL
- Publication number 20160325416
- Publication date Nov 10, 2016
- Hyundai America Technical Center, Inc.
- Steven Rathbun
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS