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For the Inventor, By the Inventor

Appenzell, Switzerland

Optrel Holding Ag

Calculating rank
USPTO Granted Patents = 13


Trademarks = 2

Forward Citations = 9

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23 inventors (with patents filed for the assignee):

goldMedal Jonathan Heusser (5 out of 5 patents)

silverMedal Martin Esposito (4 out of 4 patents)

bronzeMedal Daniel Bloechlinger (4 out of 4 patents)

4.  Ramon Hofer Kraner (3 out of 3 patents)

5.  Ramon Hofer-Kraner (3 out of 4 patents)

6.  Leo Keller (2 out of 2 patents)

7.  Robert Buechel (2 out of 2 patents)

8.  Arno Lenzi (1 out of 25 patents)

9.  David Bischof (1 out of 2 patents)

10.  Markus Michler (1 out of 4 patents)

11.  Tindaro Pittorino (1 out of 1 patent)

12.  Olaf Schreiber (1 out of 1 patent)

13.  Daniel Iranyi (1 out of 22 patents)

14.  Uwe Werner (1 out of 21 patents)

15.  Yang Sheng (1 out of 1 patent)


13 patents:

1. 12696948 - Head protection device with holding unit and protection unit (2026-08-04),
2. 12613434 - Goggles device, goggles, method for operation (2026-04-28),
3. 12017097 - Blower device for a respiratory protection system (2024-06-25),
4. 11617906 - Mouth protection device for a respiratory protection system (2023-04-04),
5. 11061262 - Protective cartridge and method with a protective cartridge (2021-07-13),
6. 10926348 - Detection device for an active glare protection device (2021-02-23),
7. 10736782 - Face protector (2020-08-11),
8. 10690942 - Sunglasses with a sun protection filter (2020-06-23),
9. 10429680 - Optical glare protection filter (2019-10-01),
10. 10401651 - Protection device (2019-09-03),
11. 10274753 - Sun protection device (2019-04-30),
12. 10251786 - Method and apparatus for controlling opening of an auto-darkening filter in an eye protection device (2019-04-09),
13. 10098788 - Electro-optical glare-protection filter with a liquid crystal cell being a fringe-field switching cell for a welder protection device (2018-10-16),
Company Overview
Optrel Holding AG is a Swiss company based in Appenzell, specializing in the development and manufacturing of innovative welding helmets and respiratory protection equipment. The company is recognized for its advanced technologies that enhance safety and comfort for professionals in welding and related fields. Optrel focuses on integrating smart features into its products, ensuring optimal visibility and protection while promoting user-friendly designs. Their commitment to quality and innovation positions them as a leader in personal protective equipment within the industrial sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

13 Patents

#2 in Appenzell

#878 in Switzerland

#45,104 in the World

Appenzell, CH
Appenzell, Switzerland

Optrel Holding Ag

Forward Citations = 9

23 inventors:

goldMedal Jonathan Heusser (5 out of 5 patents)

silverMedal Martin Esposito (4 out of 4 patents)

bronzeMedal Daniel Bloechlinger (4 out of 4 patents)

4.  Ramon Hofer Kraner (3 out of 3 patents)

5.  Ramon Hofer-Kraner (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Optrel Holding Ag. Retrieved from https://idiyas.com/company/optrel-holding-ag

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]
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