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For the Inventor, By the Inventor

Halle, Germany

Sortech Ag

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USPTO Granted Patents = 12

% Expired Patents = 50.0


Forward Citations = 22

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16 inventors (with patents filed for the assignee):

goldMedal Walter Mittelbach (8 out of 10 patents)

silverMedal Ralph Herrmann (4 out of 6 patents)

bronzeMedal Jürgen Bauer (4 out of 4 patents)

4.  Wilhelm Schwieger (3 out of 5 patents)

5.  Ingo Dassler (3 out of 3 patents)

6.  Hans-Martin Henning (2 out of 4 patents)

7.  Thomas Büttner (2 out of 2 patents)

8.  Abhijeet Uddhavarao Avhale (1 out of 2 patents)

9.  Sebastian Sommer (1 out of 1 patent)

10.  Ferdinand Schmidt (1 out of 3 patents)

11.  Willy Frank (1 out of 3 patents)

12.  Manfred Arnold (1 out of 6 patents)

13.  Selvam Thangaraj (1 out of 1 patent)

14.  Franziska Scheffler (1 out of 1 patent)

15.  Marthala Reddy (1 out of 1 patent)


12 patents:

1. 10254049 - Method and apparatus for executing an alternating evaporation and condensation process of a working medium (2019-04-09),
2. 10184702 - Adsorption module (2019-01-22),
3. 9752804 - Method for operating a cyclical thermal adsorption heating or refrigeration system, and device (2017-09-05),
4. 9259909 - Functional composite material (2016-02-16),
5. 9175396 - Aluminum-containing substrate comprising a microporous layer of an aluminum phosphate zeolite, method for the production thereof, and use thereof (2015-11-03),
6. 9169563 - Method for forming an aluminosilicate-zeolite layer on a metal substrate, the coated substrate and the use thereof (2015-10-27),
7. 8590153 - Method for producing an adsorption heat exchanger (2013-11-26),
8. 8578732 - Compact sorption cooling unit (2013-11-12),
9. 8539782 - Method for controlling the power of a sorption refrigeration system and device therefor (2013-09-24),
10. 8099969 - Passenger car air-conditioning systems with adsorption heat pumps (2012-01-24),
11. 8053032 - Method for production of a substrate coated with a zeolite layer (2011-11-08),
12. 7251955 - Solid sorption heat pump (2007-08-07),
Company Overview
Sortech AG is a technology-driven company based in Halle, Germany, specializing in advanced sorting and recycling solutions. The organization focuses on developing innovative systems that enhance the efficiency of material recovery processes, particularly in the recycling industry. Sortech AG leverages cutting-edge technologies to improve the sorting of various materials, contributing to sustainable practices and resource conservation. Their expertise encompasses a range of applications, making them a key player in the environmental technology sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

12 Patents

#4 in Halle

#3,301 in Germany

#48,235 in the World

Halle, DE
Halle, Germany

Sortech Ag

Forward Citations = 22

16 inventors:

goldMedal Walter Mittelbach (8 out of 10 patents)

silverMedal Ralph Herrmann (4 out of 6 patents)

bronzeMedal Jürgen Bauer (4 out of 4 patents)

4.  Wilhelm Schwieger (3 out of 5 patents)

5.  Ingo Dassler (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sortech Ag. Retrieved from https://idiyas.com/company/sortech-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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