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For the Inventor, By the Inventor

Pleasanton, CA, United States of America

Simpson Strong-tie Company Inc.


USPTO Granted Patents = 287



Trademarks = 168

Forward Citations = 5,221

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151 inventors (with patents filed for the assignee):

goldMedal Jin-Jie Lin (43 out of 52 patents)

silverMedal William F Leek (38 out of 40 patents)

bronzeMedal Alfred D Commins (29 out of 41 patents)

4.  Tyrell T Gilb (23 out of 47 patents)

5.  Steven E Pryor (21 out of 22 patents)

6.  Jeremy Scott Park (18 out of 18 patents)

7.  Larry Randall Daudet (18 out of 20 patents)

8.  Troy D Hale (16 out of 23 patents)

9.  Timothy M Stauffer (15 out of 19 patents)

10.  Karen W Colonias (14 out of 14 patents)

11.  Gueary Andrew Brigham (12 out of 12 patents)

12.  Thomas G Evans (10 out of 10 patents)

13.  Daniel M Gray (9 out of 10 patents)

14.  Adam Tillinghast (8 out of 8 patents)

15.  Gerald W Hagel (8 out of 9 patents)


Core Competencies:
Concealed Hanger
Fastener Installation Systems
Column Cap
Fire Stop Installation
Yield Link Brace Connector
Composite Sea Wall System
Ductile Prefabricated Shear Panel
Pinned Base Connection
Moment Frame Construction
Structural Fuse
Fastener Driving Tool
Hinged Connector

287 patents:

1. 12460406 - Concealed hanger (2025-11-04),
2. 12410617 - Backing connector (2025-09-09),
3. 12365066 - Fastener installation systems and adapters (2025-07-22),
4. 12359422 - Column cap (2025-07-15),
5. 12352043 - Fire stop installation at top plate of tie down system (2025-07-08),
6. 12345045 - Panelized serrated beam assembly (2025-07-01),
7. 12331504 - Yield link brace connector (2025-06-17),
8. 12276100 - Knife plate fastener (2025-04-14),
9. 12241245 - Concrete fastener installation using low viscosity adhesive (2025-03-04),
10. 12163301 - Composite sea wall system (2024-12-10),
11. 12146313 - Ledger connector (2024-11-19),
12. 12037782 - Hinged heeled connector for trusses for manufactured housing (2024-07-16),
13. D1034158 - Fastener sleeve (2024-07-09),
14. 11987972 - Moment frame for a sloped roof construction (2024-05-21),
15. 11946503 - Reinforced hinged connector (2024-04-02),
Simpson Strong-Tie Company Inc. is a leading manufacturer of structural connectors, fasteners, and related products for wood, concrete, and steel construction. With over 60 years of experience, Simpson Strong-Tie is dedicated to providing innovative solutions to help builders construct safer, stronger, and more resilient structures. Their products are used in a wide range of applications, including residential, commercial, and industrial construction projects. Visit their website to learn more about their extensive product line and expertise in building solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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287 Patents

#4 in Pleasanton, CA

#325 in California

#1,460 in US

#2,997 in the World

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Pleasanton, CA, United States of America

Simpson Strong-tie Company Inc.

Forward Citations = 5,221

151 inventors:

goldMedal Jin-Jie Lin (43 out of 52 patents)

silverMedal William F Leek (38 out of 40 patents)

bronzeMedal Alfred D Commins (29 out of 41 patents)

4.  Tyrell T Gilb (23 out of 47 patents)

5.  Steven E Pryor (21 out of 22 patents)

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