Forward Citations = 104

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5 inventors (with patents filed for the assignee):

Artur Hirtsiefer (3 out of 30 patents)

Siegfried Deisenhofer (1 out of 2 patents)

Hans Friedrich Muller (1 out of 1 patent)

4. Rolf Gronwoldt (1 out of 1 patent)

5. Karl H Heuser (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 7240974 - Folding cover (2007-07-10),

2. 5823411 - Locking device for suitcases and trunks, especially roof trunks for (1998-10-20),

3. 5702167 - Drawer locking means for drawers arranged one above the other (1997-12-30),

4. 5546705 - Support for holding a closing element (1996-08-20),

5. D257714 - Combined handle and push-button housing for electrically encoded (1980-12-30),

Company Overview

Huwil-werke GmbH is a leading manufacturer of high-quality security and access control systems. With over 60 years of experience, the company specializes in producing innovative solutions for locking, latching, and securing various applications. Huwil's products are known for their precision engineering, durability, and user-friendly features, making them ideal for residential, commercial, and industrial use. The company also offers customized solutions to meet specific client needs and requirements.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#1 in Ruppichteroth

#6,097 in Germany

Ruppichteroth, Germany

Huwil-Werke Gmbh

Forward Citations = 104

5 inventors:

Artur Hirtsiefer (3 out of 30 patents)

Siegfried Deisenhofer (1 out of 2 patents)

Hans Friedrich Muller (1 out of 1 patent)

4. Rolf Gronwoldt (1 out of 1 patent)

5. Karl H Heuser (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Huwil-Werke Gmbh. Retrieved from https://idiyas.com/company/huwil-werke

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

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]