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Bielefeld, Germany

Bollhoff Gmbh

USPTO Granted Patents = 9

% Expired Patents = 11.1

Trademarks = 1

Forward Citations = 155

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16 inventors (with patents filed for the assignee):

Michael Stumpf (3 out of 20 patents)

Rainer Süssenbach (3 out of 3 patents)

Hans-Joachim Dembowsky (2 out of 10 patents)

4. Hans Jörg Lang (2 out of 2 patents)

5. Peter Hauck (2 out of 2 patents)

6. Thomas F McGee (1 out of 2 patents)

7. Roger D Fieldhouse (1 out of 1 patent)

8. Andreas Bertram (1 out of 1 patent)

9. Rainer Süssenbach (1 out of 2 patents)

10. Theodor Wenniges (1 out of 1 patent)

11. Wermer Helmig (1 out of 1 patent)

12. August Borchard (1 out of 2 patents)

13. Detlef Schulz (1 out of 2 patents)

14. Thomas Maciejowski (1 out of 1 patent)

15. Herbert Fangmann (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 10794415 - Threaded blind fastener and spacer assembly and methods for the assembly and use thereof (2020-10-06),

2. 7168879 - Plug-in coupling allowing for compensating movements (2007-01-30),

3. 6817817 - Fluid-tight, adjustable and self-locking threaded connection assembly (2004-11-16),

4. 6676000 - Drive system for a fastening tool (2004-01-13),

5. 6485240 - Weld joint between thermoplastic structural and fastening members (2002-11-26),

6. 6398096 - Hydraulic drive mechanism for a joining tool (2002-06-04),

7. 6364184 - Adapter for removably holding a cellular phone on a belt clip (2002-04-02),

8. 6206604 - Plug-in coupling (2001-03-27),

9. 6193456 - Threaded metal insert (2001-02-27),

Bollhoff GmbH is a leading manufacturer of fastening technology solutions. With over 140 years of experience, the company offers a wide range of products including fasteners, assembly systems, and tools. Bollhoff is known for its high-quality, innovative solutions that help customers improve efficiency and productivity in their manufacturing processes.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#20 in Bielefeld

#4,069 in Germany

Bielefeld, Germany

Bollhoff Gmbh

Forward Citations = 155

16 inventors:

Michael Stumpf (3 out of 20 patents)

Rainer Süssenbach (3 out of 3 patents)

Hans-Joachim Dembowsky (2 out of 10 patents)

4. Hans Jörg Lang (2 out of 2 patents)

5. Peter Hauck (2 out of 2 patents)

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