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For the Inventor, By the Inventor

Lenzing, Austria

Chemiefaser Lenzing Aktiengesellschaft


USPTO Granted Patents = 9

Forward Citations = 59

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30 inventors (with patents filed for the assignee):

goldMedal Klaus Weinrotter (2 out of 15 patents)

silverMedal Adalbert G Wimmer (2 out of 7 patents)

bronzeMedal Johann Bloo (2 out of 2 patents)

4.  Bruno Mistlberger (2 out of 2 patents)

5.  Heinrich Schmidt (1 out of 3 patents)

6.  Alfred Plammer (1 out of 3 patents)

7.  Johann Kalleitner (1 out of 4 patents)

8.  Heinz Loquenz (1 out of 5 patents)

9.  Johannes Adolf Krassig (1 out of 1 patent)

10.  Johannes Hupfl (1 out of 1 patent)

11.  Joseph Cremer (1 out of 5 patents)

12.  Werner Gschaider (1 out of 1 patent)

13.  Johann Hupfl (1 out of 1 patent)

14.  Manfred Czermak (1 out of 1 patent)

15.  Helmut Teichmann (1 out of 1 patent)


9 patents:

1. 4801502 - Non-flammable, high-temperature resistant polyimide fibers made by a dry (1989-01-31),
2. 4509562 - Circular loom (1985-04-09),
3. 4479517 - Low profile circular loom (1984-10-30),
4. 4447568 - Flame-retardant polyacrylonitrile fiber (1984-05-08),
5. 4198385 - Reduction of sodium sulfate to sodium sulfide (1980-04-15),
6. 4163825 - Threads or fibers of polytetrafluorethylene (1979-08-07),
7. 4107827 - Apparatus for producing synthetic fibers (1978-08-22),
8. 4063883 - Manufacture of flame-retardant regenerated cellulose fibres (1977-12-20),
9. 3974251 - Production of flameproof fibers of regenerated cellulose (1976-08-10),
Company Overview
Lenzing is a leading global company in the production of sustainable specialty fibers made from renewable wood sources. The company, headquartered in Austria, operates under the brand name TENCEL™ for its eco-friendly fiber products. With a focus on innovation and sustainability, Lenzing is committed to creating high-quality, environmentally-friendly fibers for various industries including fashion, textiles, nonwovens, and hygiene products.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#3 in Lenzing

#352 in Austria

Lenzing, AT
Lenzing, Austria

Chemiefaser Lenzing Aktiengesellschaft

Forward Citations = 59

30 inventors:

goldMedal Klaus Weinrotter (2 out of 15 patents)

silverMedal Adalbert G Wimmer (2 out of 7 patents)

bronzeMedal Johann Bloo (2 out of 2 patents)

4.  Bruno Mistlberger (2 out of 2 patents)

5.  Heinrich Schmidt (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chemiefaser Lenzing Aktiengesellschaft. Retrieved from https://idiyas.com/company/chemiefaser-lenzing-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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