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For the Inventor, By the Inventor

Mainz, Germany

Ulrich Karrer

This inventor holds 6 USPTO granted patents and 4 published patent applications. Top assignees: Hyundai Motor Company, Kia Corporation, Kia Motors Corporation. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ulrich Karrer. Retrieved from https://idiyas.com/inventor/ulrich-karrer

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 6 

% Patents Active = 66.7

Average Co-Inventor Count = 4.3

ph-index = 1


Company Filing History:

goldMedal6 out of 20,313 
 
Hyundai Motor Company
 patents
silverMedal4 out of 5,796 
 
Kia Corporation
 patents
bronzeMedal2 out of 8,094 
 
Kia Motors Corporation
 patents
4. 1 out of 15 
 
Hyundai Motor Europe Technical Center Gmbh
 patents
where one patent can have more than one assignee

Years Active: 2011-2026

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6 patents (USPTO):Explore Patents
1. 12650204 - Hydrogen tank and method for operating a hydrogen tank (2026-06-09),
2. 12180877 - Method for absorbing hydrogen in a crankcase of a hydrogen internal combustion engine, a system for a motor vehicle, and a motor vehicle (2024-12-31),
3. 12173676 - Hydrogen direct injection system and method for lubricating a fuel injector of a hydrogen direct injection system (2024-12-24),
4. 12140114 - System, vehicle and method for lubricating a hydrogen injector in a vehicle (2024-11-12),
5. 10808589 - Exhaust treatment system and method for treating engine exhaust (2020-10-20),
6. 7926459 - Device for opening and closing a valve of a valve assembly of a combustion engine as well as for adjusting the stroke of the valve (2011-04-19),
Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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