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For the Inventor, By the Inventor

Gruenberg, Germany

Bender Gmbh & Co Kg


USPTO Granted Patents = 82

% Expired Patents = 6.1


Trademarks = 6

Forward Citations = 70

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61 inventors (with patents filed for the assignee):

goldMedal Dieter Hackl (35 out of 38 patents)

silverMedal Oliver Schaefer (19 out of 19 patents)

bronzeMedal Eckhard Broeckmann (11 out of 11 patents)

4.  Burkhard Macht (8 out of 8 patents)

5.  Karl Schepp (8 out of 9 patents)

6.  Wolfgang Hofheinz (7 out of 7 patents)

7.  Winfried Moell (6 out of 8 patents)

8.  Julian Reitz (5 out of 6 patents)

9.  Pascal Becker (5 out of 6 patents)

10.  Michael Kammer (4 out of 5 patents)

11.  Mario Lehr (4 out of 4 patents)

12.  Carsten Weiss (4 out of 4 patents)

13.  Carsten Hartmann (4 out of 4 patents)

14.  Frank Mehling (3 out of 3 patents)

15.  Harald Sellner (3 out of 3 patents)


Core Competencies:
Insulation Monitoring
Electric Circuit Arrangement
Fault Detection
Power Supply System
Leakage Current
Electrical System
Monitoring Device
Electric Vehicle Charging
Ground Fault
Impedance Monitoring
Resistance Measurement
Dynamic Response

82 patents:

1. 12399208 - Method and device for insulation monitoring of a water-electrolysis installation (2025-08-26),
2. 12385957 - Method for computing an insulation resistance in an ungrounded DC power supply system at a changeable DC line voltage (2025-08-12),
3. 12372570 - Method and electric circuit arrangement for selective insulation monitoring in a power supply system having isolable subsystems (2025-07-29),
4. 12372569 - Methods for accelerating the insulation resistance measurement in an ungrounded power supply system (2025-07-29),
5. 12332317 - Sensor for a vehicle electrical system (2025-06-17),
6. 12105128 - Method and device for impedance monitoring for protection against electric shock (2024-10-01),
7. 12072366 - Method and electric circuit arrangement for determining a branch insulation resistance and a branch leakage capacitance in an ungrounded power supply system (2024-08-27),
8. 12000881 - Method for automatically creating installation-specific measuring profiles for an insulation monitoring system (2024-06-04),
9. 11959975 - Method and monitoring device for determining a partial insulation resistance and a partial system leakage capacitance in a branched ungrounded power supply system (2024-04-16),
10. 11867718 - Method and device for identifying and locating cyclic momentary insulation faults in an underground power supply system (2024-01-09),
11. 11818859 - Carrier-rail bus assembly with automatic bus addressing (2023-11-14),
12. 11789060 - Grounded socket and method for insulation fault location in an ungrounded power supply system including insulation monitoring (2023-10-17),
13. 11774918 - Electric circuit arrangement for standard insulation monitoring with emergency shut-down for an ungrounded power supply system upon detection of a ground fault (2023-10-03),
14. 11719759 - Method and measuring device for detecting a leakage current in an ungrounded, single-phase alternating-current power supply system (2023-08-08),
15. 11705715 - Method, electrical circuit arrangements and insulation monitoring devices for an interference-resistant insulation monitoring of an ungrounded power supply system having a converter (2023-07-18),
Company Overview
Bender GmbH & Co. KG, headquartered in Gruenberg, Germany, specializes in insulation monitoring technologies essential for ensuring the safety and reliability of electrical systems. The company focuses on developing advanced solutions for fault detection, leakage current monitoring, and electric circuit arrangements, catering to various applications including power supply systems and electric vehicle charging infrastructure. Bender's innovations play a crucial role in enhancing the operational integrity of electrical installations across diverse industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

82 Patents

#1 in Gruenberg

#707 in Germany

#9,258 in the World

Gruenberg, DE
Gruenberg, Germany

Bender Gmbh & Co Kg

Forward Citations = 70

61 inventors:

goldMedal Dieter Hackl (35 out of 38 patents)

silverMedal Oliver Schaefer (19 out of 19 patents)

bronzeMedal Eckhard Broeckmann (11 out of 11 patents)

4.  Burkhard Macht (8 out of 8 patents)

5.  Karl Schepp (8 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bender Gmbh & Co Kg. Retrieved from https://idiyas.com/company/bender-and-co-kg

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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