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For the Inventor, By the Inventor

St. Louis, MO, United States of America

General Steel Industries, Inc.

Calculating rank
USPTO Granted Patents = 14

Trademarks = 1

Forward Citations = 186

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12 inventors (with patents filed for the assignee):

goldMedal Keith L Jackson (8 out of 17 patents)

silverMedal James J Reece (2 out of 3 patents)

bronzeMedal Kenneth E Spencer (2 out of 4 patents)

4.  Winthrop B Reed (1 out of 1 patent)

5.  William Clifford Jones, Jr (1 out of 1 patent)

6.  Robert E Long (1 out of 1 patent)

7.  Gerry E McPherson (1 out of 1 patent)

8.  William C Jones (1 out of 1 patent)

9.  Aldo P Imperi (1 out of 1 patent)

10.  Achilles P DeVita (1 out of 1 patent)

11.  Manley C Watkins (1 out of 1 patent)

12.  Thomas L Behnke (1 out of 2 patents)


14 patents:

1. 4460346 - Eccentric shaft and method of manufacture (1984-07-17),
2. 4410144 - Synchronously coordinated counterrotated crusher roll teeth system (1983-10-18),
3. 4401279 - Synchronously counter-rotating intermeshing differential speed crusher (1983-08-30),
4. 4258629 - Braking and steering radial truck (1981-03-31),
5. 4238006 - Radial axle truck disc brakes (1980-12-09),
6. 4237791 - Radial axle railway truck disc brakes (1980-12-09),
7. 4231296 - Three-truck high adhesion locomotive (1980-11-04),
8. 4134343 - Radial axle railway truck (1979-01-16),
9. 4088080 - Railway locomotive truck (1978-05-09),
10. 4043272 - Railway locomotive trucks (1977-08-23),
11. 4041198 - Apparatus and method for forming water stops on insulated pipe (1977-08-09),
12. 4040361 - Railway locomotive truck (1977-08-09),
13. 4040360 - Railway locomotive truck (1977-08-09),
14. 3934450 - Method and apparatus for bending elongated members (1976-01-27),
Company Overview
General Steel Industries, Inc. is a prominent manufacturer based in St. Louis, Missouri, specializing in the production of steel products and structures. The company focuses on delivering high-quality steel solutions for various applications, including construction and industrial sectors. With a commitment to innovation, General Steel integrates advanced manufacturing techniques and materials science to enhance the performance and durability of its offerings, serving a diverse clientele across the United States and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

14 Patents

#146 in St. Louis, MO

#320 in Missouri

#22,344 in US

#42,312 in the World

St. Louis, MO (US)
St. Louis, MO, United States of America

General Steel Industries, Inc.

Forward Citations = 186

12 inventors:

goldMedal Keith L Jackson (8 out of 17 patents)

silverMedal James J Reece (2 out of 3 patents)

bronzeMedal Kenneth E Spencer (2 out of 4 patents)

4.  Winthrop B Reed (1 out of 1 patent)

5.  William Clifford Jones, Jr (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: General Steel Industries, Inc.. Retrieved from https://idiyas.com/company/general-steel-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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