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For the Inventor, By the Inventor

Schaffhausen, Switzerland

Georg Fischer Aktiengesellschaft


USPTO Granted Patents = 187

% Expired Patents = 2.1


Trademarks = 6

Forward Citations = 1,540

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177 inventors (with patents filed for the assignee):

goldMedal Ivo Henych (12 out of 14 patents)

silverMedal Kurt Fischer (11 out of 16 patents)

bronzeMedal Alfred Thalmann (11 out of 15 patents)

4.  Karl Gut (8 out of 8 patents)

5.  Ernesto Lehmann (7 out of 8 patents)

6.  Peter Kunz (7 out of 9 patents)

7.  Rudolf Pavlovsky (6 out of 10 patents)

8.  Ludwig Wilhelm (6 out of 6 patents)

9.  Bruno Hilpert (6 out of 6 patents)

10.  Thomas G Sixsmith (5 out of 10 patents)

11.  Rolf Rietzscher (5 out of 6 patents)

12.  Jorg Wermelinger (5 out of 12 patents)

13.  Hans Leutwiler (5 out of 8 patents)

14.  Fritz Reich (5 out of 7 patents)

15.  Hans Kopp (5 out of 5 patents)


Core Competencies:
Thermoplastic Welding
Valve Systems
Foundry Processes
Casting Mold
Pipe Connecting Member
Molding Apparatus
Granular Materials
Magnesium Treatment
Bionic Step
Leak Test System
Containment Fittings
Die Casting

187 patents:

1. 12313206 - Secondary containment for operable valves (2025-05-27),
2. 11035749 - Leak test system and method for thermoplastic piping (2021-06-15),
3. 10876658 - Valve support apparatus (2020-12-29),
4. 9903512 - Pipe clamp for strut system (2018-02-27),
5. 9809425 - Bionic step (2017-11-07),
6. 9764928 - Bionic step element (2017-09-19),
7. 9702124 - High purity water system (2017-07-11),
8. 9664324 - Containment pipe fittings and methods (2017-05-30),
9. 9370821 - Die cast part of a die casting mold and corresponding die casting device (2016-06-21),
10. 9248496 - Die cast part of a die casting mold and corresponding die casting device (2016-02-02),
11. 8771589 - Spheroidal cast iron alloy parts and method for producing thereof (2014-07-08),
12. 8708356 - Pivot bearing with turned damper clamping (2014-04-29),
13. 7645814 - Core material (2010-01-12),
14. 5428199 - Frame member for supporting a workpiece in a machine tool (1995-06-27),
15. 5348070 - Process for the compression of molding sand for casting molds (1994-09-20),
Company Overview
Georg Fischer Aktiengesellschaft, headquartered in Schaffhausen, Switzerland, specializes in advanced manufacturing solutions, particularly in thermoplastic welding technologies. The company is recognized for its expertise in valve systems, foundry processes, and casting molds, contributing significantly to industries that require precision and reliability in fluid management and material processing. Its innovative approaches extend to pipe connecting members and molding apparatus, with a focus on enhancing the performance of granular materials and magnesium treatment processes.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Georg Fischer Aktiengesellschaft USPTO Patent Assignee Logo
187 Patents

#7 in Schaffhausen

#94 in Switzerland

#4,499 in the World

Schaffhausen, CH
Schaffhausen, Switzerland

Georg Fischer Aktiengesellschaft

Forward Citations = 1,540

177 inventors:

goldMedal Ivo Henych (12 out of 14 patents)

silverMedal Kurt Fischer (11 out of 16 patents)

bronzeMedal Alfred Thalmann (11 out of 15 patents)

4.  Karl Gut (8 out of 8 patents)

5.  Ernesto Lehmann (7 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Georg Fischer Aktiengesellschaft. Retrieved from https://idiyas.com/company/georg-fischer-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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