For the Inventor, By the Inventor

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Dubuque, IA, United States of America

Frommelt Industries, Inc.

USPTO Granted Patents = 16

Forward Citations = 559

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8 inventors (with patents filed for the assignee):

John A Frommelt (5 out of 5 patents)

Robert J Frommelt (4 out of 7 patents)

Floyd D West (3 out of 6 patents)

4. Sylvan J Frommelt (3 out of 3 patents)

5. Kenneth Lenz (3 out of 3 patents)

6. David H Hanssen (1 out of 1 patent)

7. Thomas J Kraus (1 out of 1 patent)

8. Anthony Rosenoy (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 5025846 - High speed folding door (1991-06-25),

2. 4887660 - Roll-up door (1989-12-19),

3. 4887659 - High speed folding door (1989-12-19),

4. 4885881 - Bottom seal for L-pad dock shelter (1989-12-12),

5. 4873800 - Loading dock seal (1989-10-17),

6. 4825607 - Molded modular dock shelter (1989-05-02),

7. 4805362 - Hook seal for loading dock shelter (1989-02-21),

8. 4800946 - Windstrap for pliable roll-type overhead door (1989-01-31),

9. 4799341 - Wedge seal for loading dock shelter (1989-01-24),

10. 4750299 - Air perimeter seal for opening (1988-06-14),

11. 4718207 - Loading dock shelters (1988-01-12),

12. 4676293 - Impact-resistant overhead door (1987-06-30),

13. 4601142 - Loading dock shelters (1986-07-22),

14. 4422199 - Dockboard seal (1983-12-27),

15. 4381631 - Loading dock shelters (1983-05-03),

Frommelt Industries, Inc., based in Dubuque, Iowa, specializes in the design and manufacturing of advanced thermal management solutions. The company focuses on providing innovative insulation products and systems that enhance energy efficiency and safety across various industries. With a commitment to quality and performance, Frommelt serves sectors such as aerospace, automotive, and industrial applications, leveraging its expertise to meet the evolving needs of its clients in a competitive market.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#4 in Dubuque, IA

#113 in Iowa

#19,907 in US

#37,788 in the World

Dubuque, IA, United States of America

Frommelt Industries, Inc.

Forward Citations = 559

8 inventors:

John A Frommelt (5 out of 5 patents)

Robert J Frommelt (4 out of 7 patents)

Floyd D West (3 out of 6 patents)

4. Sylvan J Frommelt (3 out of 3 patents)

5. Kenneth Lenz (3 out of 3 patents)

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