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For the Inventor, By the Inventor

Berlin, Germany

Uhde Inventa-fischer Gmbh


USPTO Granted Patents = 31



Trademarks = 9

Forward Citations = 40

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50 inventors (with patents filed for the assignee):

goldMedal Rainer Hagen (12 out of 28 patents)

silverMedal Eike Schulz Van Endert (8 out of 13 patents)

bronzeMedal Udo Muhlbauer (7 out of 7 patents)

4.  Udo Mühlbauer (4 out of 4 patents)

5.  Ekkehard Siebecke (4 out of 5 patents)

6.  Kurt Hanimann (4 out of 6 patents)

7.  Bernd Königsmann (3 out of 5 patents)

8.  Caspar Paetz (3 out of 3 patents)

9.  Mirko Bär (3 out of 4 patents)

10.  Johannes Katzer (3 out of 3 patents)

11.  Christopher Hess (3 out of 3 patents)

12.  Theodor Anton Bruckmann (3 out of 9 patents)

13.  Matthias Schoennagel (2 out of 2 patents)

14.  Martin Hittorff (2 out of 2 patents)

15.  Heinrich Koch (2 out of 2 patents)


31 patents:

1. 11814486 - Apparatus and method for mixing recycling material into a polyester melt (2023-11-14),
2. 11447604 - Method for the separation of volatile compounds from viscous products by means of a thin-film evaporator, and polylactide resin (2022-09-20),
3. 10442824 - Method for the production of a titanium containing catalyst, titanium containing catalyst, method for the production of polyester and polyester (2019-10-15),
4. 10414917 - Process and apparatus for preparation of a crystallizable polylactic acid mixture, and polylactic acid mixture (2019-09-17),
5. 10322358 - Device and method for separating a cyclic diester from polymer melts (2019-06-18),
6. 9938375 - Reactor with vertical condensation tube and method for the polymerisation of polyamides in such a reactor (2018-04-10),
7. 9908973 - Additive for polyamide moulding compounds and use thereof (2018-03-06),
8. 9714320 - Process for preparing a high molecular weight heteroaromatic polyester or copolyester (2017-07-25),
9. 9708271 - Extraction reactor and also method for extraction from granular material (2017-07-18),
10. 9707702 - Drying-/degassing device and also device and method for the direct production of moulded articles from polyester melts (2017-07-18),
11. 9643797 - Conveying device for granulate and also method for conveying granulate (2017-05-09),
12. 9561999 - Method for the production of an aqueous solution of salts (2017-02-07),
13. 9428484 - Method for the production of cyclic diesters, in particular dilactide (2016-08-30),
14. 9416222 - Quality test for polymerizable lactic acid and method for producing same (2016-08-16),
15. 9376530 - Method for the production of aliphatic polyesters (2016-06-28),
Uhde Inventa-Fischer GmbH is a leading global engineering and technology provider that specializes in the design, construction, and operation of plants for the production of polymers and fibers. With a rich history spanning over 90 years, the company is renowned for its innovative solutions, expertise in process engineering, and advanced technologies used in the manufacturing of polyester, polyamide, and polypropylene. Uhde Inventa-Fischer aims to deliver sustainable and efficient solutions to its clients, ensuring high-quality products and minimizing the environmental impact of the industrial processes.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

31 Patents

#30 in D-1000 Berlin

#1,587 in Germany

#20,605 in the World

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Berlin, Germany

Uhde Inventa-fischer Gmbh

Forward Citations = 40

50 inventors:

goldMedal Rainer Hagen (12 out of 28 patents)

silverMedal Eike Schulz Van Endert (8 out of 13 patents)

bronzeMedal Udo Muhlbauer (7 out of 7 patents)

4.  Udo Mühlbauer (4 out of 4 patents)

5.  Ekkehard Siebecke (4 out of 5 patents)

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