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Detroit, MI, United States of America

Multifastener Corporation

USPTO Granted Patents = 85

Trademarks = 4

Forward Citations = 1,920

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29 inventors (with patents filed for the assignee):

Harold A Ladouceur (31 out of 51 patents)

Rudolph R Muller (18 out of 20 patents)

Rudolf R Muller (13 out of 25 patents)

4. Dale H Goodsmith (12 out of 14 patents)

5. Takao Takahashi (6 out of 67 patents)

6. Hiroshi Takehara (5 out of 5 patents)

7. Harold T Woods (4 out of 4 patents)

8. Jon M Smallegan (4 out of 13 patents)

9. John H Steward (4 out of 4 patents)

10. David W Sickels (3 out of 5 patents)

11. Heinrich Luckhardt, Deceased (3 out of 3 patents)

12. R M Muller (2 out of 2 patents)

13. Wolfgang Luckhardt (2 out of 2 patents)

14. Robert E Stewart (1 out of 34 patents)

15. Jiri Babej (1 out of 64 patents)

Core Competencies:

Fastener Installation

Self-Attaching Elements

Panel Assembly

Riveting Fasteners

Nut Retainers

Installation Die

Electrical Grounding

Quick Disconnect Coupler

Clinch Nut

Feeding Systems

Assembly Parts

Sealed Nut

85 patents: Sort by Forward Citations

1. 6263561 - Fastener retaining device for assembly parts (2001-07-24),

2. 6125524 - Rivetable element, assembly, method of assembly and riveting die (2000-10-03),

3. 5953813 - Fastener retaining device for assembly parts (1999-09-21),

4. 5868535 - Self-riveting fastening element (1999-02-09),

5. 5722139 - Installation apparatus for attaching a fastener to a panel (1998-03-03),

6. 5673472 - Method of coupling a fastener on a metal sheet and forming a molded part (1997-10-07),

7. 5644830 - Method of forming electrical connection (1997-07-08),

8. 5636426 - Holding device for fastening components (1997-06-10),

9. 5617652 - Fastener installation and method (1997-04-08),

10. 5566446 - Feed device for feeding of assembly parts (1996-10-22),

11. 5564873 - Self-attaching fastening element and method of attachment (1996-10-15),

12. 5560094 - Method of attaching a fastener to a panel (1996-10-01),

13. 5549430 - Self-attaching fastener and installation die (1996-08-27),

14. 5538377 - Enclosed nut retainer (1996-07-23),

15. 5533250 - Self-adjusting head for impacting fasteners into a panel (1996-07-09),

Company Overview

Multifastener Corporation, based in Detroit, MI, specializes in advanced fastener technology, focusing on innovative solutions for various industrial applications. The company develops and manufactures a range of products including fastener installation systems, self-attaching elements, and panel assembly components. Their expertise extends to riveting fasteners, nut retainers, and installation dies, ensuring efficient and reliable assembly processes. Additionally, Multifastener is involved in electrical grounding solutions and quick disconnect couplers, catering to diverse sectors that require robust fastening solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

85 Patents

#8 in Detroit, MI

#172 in Michigan

#4,378 in US

#8,958 in the World

Detroit, MI, United States of America

Multifastener Corporation

Forward Citations = 1,920

29 inventors:

Harold A Ladouceur (31 out of 51 patents)

Rudolph R Muller (18 out of 20 patents)

Rudolf R Muller (13 out of 25 patents)

4. Dale H Goodsmith (12 out of 14 patents)

5. Takao Takahashi (6 out of 67 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Multifastener Corporation. Retrieved from https://idiyas.com/company/multifastener

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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