Forward Citations = 25

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5 inventors (with patents filed for the assignee):

Roger Ecoffet (3 out of 4 patents)

Alfred Vollert (3 out of 4 patents)

Joseph Eray (2 out of 3 patents)

4. Sylvain Wenger (2 out of 2 patents)

5. Alain André Sierro (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 7571519 - Device for setting the length of a bracelet, bracelet provided with such a device and watch fitted with such a bracelet (2009-08-11),

2. 5801351 - Method for welding hinge pins onto elements intended to form hinged (1998-09-01),

3. 5663934 - Watertight push button device, particularly for controlling a timepiece (1997-09-02),

4. 5519674 - Packing (1996-05-21),

5. 5340009 - Packing (1994-08-23),

6. 5237546 - Timepiece with a rotating bezel (1993-08-17),

Company Overview

Werthanor S.a. is a leading provider of innovative energy solutions, specializing in solar power systems for residential, commercial, and industrial clients. With a strong focus on sustainability and cutting-edge technology, Werthanor is committed to reducing carbon footprint and providing clean energy solutions. Our team of experts delivers customized solar solutions to meet the unique needs of each client, ensuring maximum efficiency and cost savings. Contact us today to learn more about how Werthanor can help you go green and save on energy costs!

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#10 in Le Locle

#1,481 in Switzerland

Le Locle, Switzerland

Werthanor S.a.

Forward Citations = 25

5 inventors:

Roger Ecoffet (3 out of 4 patents)

Alfred Vollert (3 out of 4 patents)

Joseph Eray (2 out of 3 patents)

4. Sylvain Wenger (2 out of 2 patents)

5. Alain André Sierro (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Werthanor S.a.. Retrieved from https://idiyas.com/company/werthanor-s-a

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]