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Bielefeld, Germany

Bollhoff Verbindungstechnik Gmbh

USPTO Granted Patents = 148

% Expired Patents = 14.9

CIPO Patents = 3

EPO Patents = 124

Forward Citations = 599

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140 inventors (with patents filed for the assignee):

Torsten Draht (28 out of 28 patents)

Hans-Ulrich Figge (17 out of 17 patents)

Michael Stumpf (16 out of 20 patents)

4. Andreas Marxkors (13 out of 13 patents)

5. Sergej Hartwig-Biglau (11 out of 11 patents)

6. Michael Kahre (11 out of 11 patents)

7. Alexander Vorderwisch (11 out of 11 patents)

8. Holger Thommes (10 out of 10 patents)

9. Martin Jodeleit (10 out of 10 patents)

10. Bernd Haesler (10 out of 10 patents)

11. Heinrich Heinrichs (9 out of 9 patents)

12. Hans-Joachim Dembowsky (8 out of 10 patents)

13. Sandra Steffenfauseweh (7 out of 7 patents)

14. Jochen Rintelmann (7 out of 13 patents)

15. Ingo Burger (7 out of 7 patents)

Core Competencies:

Connection Element

Wire Thread Insert

Coupling Bolt

Damping Arrangement

Tolerance Compensation

Plug-In Coupling

Welding Auxiliary Joining Part

Fastening Arrangement

Self-Piercing Rivet

Additive Manufacturing

Adjusting Element

Element Supply Apparatus

148 patents: Sort by Forward Citations

1. 12692893 - Hollow-cylindrical base element of a connecting unit (2026-07-28),

2. 12679042 - Additively manufactured component out of metal or plastic material with a standard thread (2026-07-14),

3. 12669198 - Fastening element of a T-shaped profile hose, connection arrangement with the fastening element, setting device as well as manufacturing and connection method (2026-06-30),

4. 12654221 - C-shaped tool holder, setting device with the C-shaped tool holder and method for setting an offset difference of the C-shaped tool holder (2026-06-16),

5. 12623275 - Supply device for joining elements, setting tool with the supply device and associated supply and setting method (2026-05-12),

6. 12421993 - Additively manufactured component with insert thread, manufacturing method for the same as well as component with wire thread insert installed in the insert thread (2025-09-23),

7. 12385513 - Bayonet connector, component composite comprising said bayonet connector, a production method for the bayonet connector, and a method for connecting at least two components using said bayonet connector (2025-08-12),

8. 12331774 - Coupling bolt of a plug-in coupling, first component with the coupling bolt, associated plug-in coupling and connecting structure of two components (2025-06-17),

9. 12297858 - Outer sleeve of a connection element without a female thread and having a damping function, connection element comprising an outer sleeve, and corresponding connection and manufacturing method (2025-05-13),

10. 12290872 - Element supply apparatus for a setting welding device, an element nest and a retrofit kit for the setting welding device as well as corresponding supply methods of a welding auxiliary joining part (2025-05-06),

11. 12258995 - Damping arrangement, component with damping arrangement as well as corresponding component connection, a manufacturing method and a connecting method (2025-03-25),

12. 12173745 - Adjusting element, first component with adjusting element, connection structure comprising the first component, manufacturing method of the adjusting element and connection method (2024-12-24),

13. 12173743 - Wire thread insert (2024-12-24),

14. 12103241 - Connection element for adhering to a component surface and production method and securing method therefor (2024-10-01),

15. 12092149 - Resilient connecting block, connecting pin therefor, and a connection between two components via the resilient connecting block (2024-09-17),

Company Overview

Bollhoff Verbindungstechnik GmbH, based in Bielefeld, Germany, specializes in connection technology, focusing on innovative solutions for various fastening needs. The company develops and manufactures a range of products including connection elements, wire thread inserts, coupling bolts, and damping arrangements. With expertise in tolerance compensation and plug-in couplings, Bollhoff also provides welding auxiliary joining parts and fastening arrangements, catering to diverse industries that require reliable and efficient connection solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

148 Patents

#1 in

#416 in Germany

#5,522 in the World

Bielefeld, Germany

Bollhoff Verbindungstechnik Gmbh

Forward Citations = 599

140 inventors:

Torsten Draht (28 out of 28 patents)

Hans-Ulrich Figge (17 out of 17 patents)

Michael Stumpf (16 out of 20 patents)

4. Andreas Marxkors (13 out of 13 patents)

5. Sergej Hartwig-Biglau (11 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bollhoff Verbindungstechnik Gmbh. Retrieved from https://idiyas.com/company/bollhoff-verbindungstechnik

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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