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For the Inventor, By the Inventor

Wendlingen, Germany

Ulrich Essig

This inventor holds 7 USPTO granted patents. Top assignee: Dr. Ing. H.c. F. Porsche Aktiengesellschaft. Active years: 1999-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ulrich Essig. Retrieved from https://idiyas.com/inventor/ulrich-essig-afjummu0

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

USPTO Granted Patents = 7

% Patents Active = 57.1

Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:

goldMedal7 out of 4,227 
 
Dr. Ing. H.c. F. Porsche Aktiengesellschaft
 patents

Years Active: 1999-2019

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7 patents (USPTO):Explore Patents
1. 10335731 - Filter device for a motor vehicle (2019-07-02),
2. 9480943 - Filter device and filter system (2016-11-01),
3. 9254586 - Process for producing a fuel tank with underride protector (2016-02-09),
4. 9017498 - Method for producing a fuel tank (2015-04-28),
5. 7946277 - Fuel vapor storage and recovery system (2011-05-24),
6. 6427710 - End side holding device for a vent pipe of a fuel tank and method of making same (2002-08-06),
7. 5954367 - Fuel tank for vehicles, particularly passenger cars (1999-09-21),

Title: Ulrich Essig: Automotive Fuel-Tank Filtration Inventions

Introduction

Ulrich Essig is an inventor associated with Wendlingen, Germany. His patent work includes filter technologies for motor vehicles and fuel-tank systems. The supplied information lists 7 patents and identifies Dr. Ing. h.c. F. Porsche Aktiengesellschaft as his company.

Latest Patents

**Filter device for a motor vehicle.** This invention describes a filter housing with two chambers containing adsorption media. The chambers are arranged for series flow between the device’s inlet and outlet. A partition, a flow-transfer chamber, and a barrier help direct the loading or purging flow through the receiving space.

**Filter device and filter system.** This invention concerns gas exchange between a liquid-fuel tank and the surrounding environment. Its fluid-tight chamber connects to the tank and environment through separate ports and contains granular filter material. The chamber is also designed to accommodate a monolithic filter element alongside the granular material.

Career Highlights

Essig’s listed patents address filtration and gas exchange in automotive fuel systems. The inventions focus on chamber arrangements, adsorption media, and adaptable filter configurations.

Collaborations

The supplied information names Andreas Menke and Tobias Friedrich as Essig’s coworkers. His company is Dr. Ing. h.c. F. Porsche Aktiengesellschaft.

Conclusion

Ulrich Essig’s listed patent work reflects a focus on automotive filtration, particularly systems that manage gas flow and fuel-tank emissions.

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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