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For the Inventor, By the Inventor

Dubuque, IA, United States of America

Frommelt Industries, Inc.

Calculating rank
USPTO Granted Patents = 16

Forward Citations = 560

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8 inventors (with patents filed for the assignee):

goldMedal John A Frommelt (5 out of 5 patents)

silverMedal Robert J Frommelt (4 out of 7 patents)

bronzeMedal 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

16 Patents

#4 in Dubuque, IA

#113 in Iowa

#19,966 in US

#37,952 in the World

Dubuque, IA (US)
Dubuque, IA, United States of America

Frommelt Industries, Inc.

Forward Citations = 560

8 inventors:

goldMedal John A Frommelt (5 out of 5 patents)

silverMedal Robert J Frommelt (4 out of 7 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Frommelt Industries, Inc.. Retrieved from https://idiyas.com/company/frommelt-industries

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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