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Randall L. Zehr
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Columbus, IN, US
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Patents Grants
last 30 patents
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Patent Grant
Port shapes for enhanced engine breathing
Patent number
11,415,075
Issue date
Aug 16, 2022
Cummins Inc.
Randall L. Zehr
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Internal combustion engine producing low emissions
Patent number
7,210,448
Issue date
May 1, 2007
Cummins, Inc.
Donald W. Stanton
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Swirl control system for varying in-cylinder swirl
Patent number
5,435,283
Issue date
Jul 25, 1995
Cummins Engine Company, Inc.
Randall L. Zehr
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
PORT SHAPES FOR ENHANCED ENGINE BREATHING
Publication number
20210010442
Publication date
Jan 14, 2021
Cummins Inc.
Randall L. Zehr
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Internal combustion engine producing low emissions
Publication number
20060070603
Publication date
Apr 6, 2006
Cummins Inc.
Donald W. Stanton
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...