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For the Inventor, By the Inventor

Chicago, IL, United States of America

Amsted Industries Inc.


USPTO Granted Patents = 317

% Expired Patents = 0.63



Trademarks = 45

Forward Citations = 5,570

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232 inventors (with patents filed for the assignee):

goldMedal Horst T Kaufhold (29 out of 29 patents)

silverMedal Russell G Altherr (26 out of 29 patents)

bronzeMedal John W Kaim (20 out of 20 patents)

4.  V Terrey Hawthorne (19 out of 20 patents)

5.  Harry W Mulcahy (15 out of 15 patents)

6.  Charles Moehling (14 out of 15 patents)

7.  Charles P Spencer (14 out of 15 patents)

8.  John J Steffen (10 out of 10 patents)

9.  Brian A Toussaint (9 out of 10 patents)

10.  Christopher Z Sieradzki (9 out of 9 patents)

11.  Terry L Pitchford (9 out of 9 patents)

12.  Robert P Radwill (9 out of 9 patents)

13.  Robert D Wronkiewicz (8 out of 9 patents)

14.  Robert G Peting (8 out of 8 patents)

15.  Jaime F Pozo (7 out of 8 patents)


Core Competencies:
Railcar Draft Gear
Sideframes
Fume Collection
Bolsters
Railway Wheel Alloy
Graphite Mold
Compacting Press
Wheel Cooling Tunnel
Tapered Bushing
Brake Shoes
Material Moving System
Railway Coupler

317 patents:

1. 7017647 - Method for casting objects with an improved hub core assembly (2006-03-28),
2. 6956307 - Soft magnetic composite powder metal cores (2005-10-18),
3. 6932144 - Method for casting objects with an improved riser arrangement (2005-08-23),
4. 6783610 - Railway wheel alloy (2004-08-31),
5. 6719502 - Boring riser holes in a graphite mold (2004-04-13),
6. 6681943 - Railcar draft gear assembly and system (2004-01-27),
7. 6662853 - Method of making bolsters and sideframes for railway car trucks (2003-12-16),
8. 6629595 - Conveyor system (2003-10-07),
9. 6622776 - Method of making sideframes for railway car trucks (2003-09-23),
10. 6506337 - Molten metal ladle transport arrangement (2003-01-14),
11. 6446820 - Railcar draft gear assembly and system (2002-09-10),
12. 6425436 - Sand core breaking apparatus (2002-07-30),
13. 6425334 - Friction shoe for freight car truck (2002-07-30),
14. 6398047 - End sill assembly with center plate casting (2002-06-04),
15. 6397923 - Pipe core clean out system (2002-06-04),
Company Overview
Amsted Industries Inc., headquartered in Chicago, IL, specializes in advanced railway truck technology, focusing on enhancing the efficiency and safety of rail transport. The company develops and manufactures critical components such as railcar draft gear, sideframes, bolsters, and railway wheel alloys. With a commitment to innovation, Amsted also explores technologies related to fume collection, graphite molds, compacting presses, and wheel cooling tunnels, positioning itself as a leader in the railway industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Amsted Industries Inc. USPTO Patent Assignee Logo
317 Patents

#25 in Chicago, IL

#82 in Illinois

#1,389 in US

#2,830 in the World

Chicago, IL (US)
Chicago, IL, United States of America

Amsted Industries Inc.

Forward Citations = 5,570

232 inventors:

goldMedal Horst T Kaufhold (29 out of 29 patents)

silverMedal Russell G Altherr (26 out of 29 patents)

bronzeMedal John W Kaim (20 out of 20 patents)

4.  V Terrey Hawthorne (19 out of 20 patents)

5.  Harry W Mulcahy (15 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Amsted Industries Inc.. Retrieved from https://idiyas.com/company/amsted-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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