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For the Inventor, By the Inventor

Waldenburg, Germany

R. Stahl Schaltgerate Gmbh

Calculating rank
USPTO Granted Patents = 71

% Expired Patents = 14.1



Trademarks = 1

Forward Citations = 252

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61 inventors (with patents filed for the assignee):

goldMedal Bernd Limbacher (16 out of 16 patents)

silverMedal Elena Kondrus (11 out of 11 patents)

bronzeMedal Thorsten Arnhold (8 out of 8 patents)

4.  Jürgen Schmitt (8 out of 8 patents)

5.  Holger Semrau (6 out of 6 patents)

6.  Maxim Kutsch (5 out of 5 patents)

7.  Clife Hermanowski (5 out of 5 patents)

8.  Otto Walch (5 out of 5 patents)

9.  Fritz Frey (4 out of 5 patents)

10.  Manfred Leischner (4 out of 4 patents)

11.  Christian Kochendörfer (4 out of 4 patents)

12.  Natascha Sekinger (4 out of 4 patents)

13.  Fabian Roll (3 out of 3 patents)

14.  Wolf Hermann (3 out of 3 patents)

15.  Ulrich Mann (3 out of 3 patents)


Core Competencies:
Explosion-Proof Housing
Pressure Relief Device
Flameproof Enclosure
Explosion Protection
Electrical Device
Modular Housing
Emergency Signaling Device
Plug Connection Device
Voltage Control Circuit
Light
Electronic Switch
Bus Communication Device

71 patents:

1. 12603947 - Network port circuit (2026-04-14),
2. 12444881 - Plug connection device (2025-10-14),
3. 12418162 - Explosion-proof housing comprising removable central strut (2025-09-16),
4. 12407149 - Explosion-proof housing (2025-09-02),
5. 12317439 - Modular system for producing a housing (2025-05-27),
6. D1064371 - Light (2025-02-25),
7. 12171069 - Explosion-proof housing and method for the assembly thereof (2024-12-17),
8. 12157028 - Protective housing in the explosion protection category flameproof enclosure (2024-12-03),
9. 12134057 - Flame trap filter (2024-11-05),
10. 12120833 - Explosion-proof housing having internal pressure reduction, methods (2024-10-15),
11. 12075576 - Module of an explosion-proof housing (2024-08-27),
12. 12060961 - Explosion-proof arrangement (2024-08-13),
13. 12053657 - Explosion-proof housing with split cover (2024-08-06),
14. 12029001 - Explosion-proof apparatus with a flameproof gas flow path and heat sink (2024-07-02),
15. 12009641 - Pressure relief device and housing comprising same (2024-06-11),
Company Overview
R. Stahl Schaltgeräte GmbH is a leading provider of explosion-proof technology, specializing in the development and manufacture of equipment designed to operate safely in hazardous environments. The company focuses on innovative solutions such as explosion-proof housing, pressure relief devices, and flameproof enclosures, ensuring the highest standards of safety and reliability for electrical devices. With a strong emphasis on modular housing and emergency signaling devices, R. Stahl serves various industries, contributing to enhanced safety in operations worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

R. Stahl Schaltgerate Gmbh USPTO Patent Assignee Logo
71 Patents

#1 in Waldenburg

#809 in Germany

#10,523 in the World

Waldenburg, DE
Waldenburg, Germany

R. Stahl Schaltgerate Gmbh

Forward Citations = 252

61 inventors:

goldMedal Bernd Limbacher (16 out of 16 patents)

silverMedal Elena Kondrus (11 out of 11 patents)

bronzeMedal Thorsten Arnhold (8 out of 8 patents)

4.  Jürgen Schmitt (8 out of 8 patents)

5.  Holger Semrau (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: R. Stahl Schaltgerate Gmbh. Retrieved from https://idiyas.com/company/r-stahl-schaltgerate

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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