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Bielefeld, Germany

Bollhoff Verbindungstechnik Gmbh

USPTO Granted Patents = 142

CIPO Patents = 1

EPO Patents = 104

Forward Citations = 557

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130 inventors (with patents filed for the assignee):

Torsten Draht (26 out of 27 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. Heinrich Heinrichs (9 out of 9 patents)

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

12. Bernd Haesler (8 out of 8 patents)

13. Jochen Rintelmann (7 out of 12 patents)

14. Ingo Burger (7 out of 7 patents)

15. Stefan Rehling (6 out of 10 patents)

Core Competencies:

Additive Manufacturing

Bayonet Connector

Coupling Bolt

Damping Arrangement

Wire Thread Insert

Tolerance Compensation

Welding Auxiliary Joining Part

Plug-in Coupling

Fastening Arrangement

Installation Tool

Adjustment Element

Retaining Clamp

142 patents: Sort by Forward Citations

1. 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),

2. 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),

3. 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),

4. 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),

5. 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),

6. 12258995 - Damping arrangement, component with damping arrangement as well as corresponding component connection, a manufacturing method and a connecting method (2025-03-25),

7. 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),

8. 12173743 - Wire thread insert (2024-12-24),

9. 12103241 - Connection element for adhering to a component surface and production method and securing method therefor (2024-10-01),

10. 12092149 - Resilient connecting block, connecting pin therefor, and a connection between two components via the resilient connecting block (2024-09-17),

11. 12038033 - Angle coupling (2024-07-16),

12. 12030144 - Setting device with an electronic control unit for implementing a bolt setting method (2024-07-09),

13. 12025174 - Tolerance compensation element, component with the tolerance compensation element as well as associated connection between a first and a second component, production method and connecting method (2024-07-02),

14. 12025164 - Plug-in coupling with tolerance compensation (2024-07-02),

15. 12000420 - Coupling clamp (2024-06-04),

Bollhoff Verbindungstechnik GmbH is a leading global provider of innovative fastening solutions. With over 140 years of experience, the company offers a wide range of products and services including threaded inserts, blind rivet nuts, fasteners, and specialty tools. Bollhoff serves various industries such as automotive, aerospace, electronics, and construction, providing reliable and efficient solutions for joining and fastening applications.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

142 Patents

#1 in

#465 in Germany

#5,561 in the World

Bielefeld, Germany

Bollhoff Verbindungstechnik Gmbh

Forward Citations = 557

130 inventors:

Torsten Draht (26 out of 27 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)

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