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For the Inventor, By the Inventor

Wichita, KS, United States of America

Harper Trucks, Inc.

Calculating rank
USPTO Granted Patents = 17

Trademarks = 1

Forward Citations = 177

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7 inventors (with patents filed for the assignee):

goldMedal José Angel Caceres Mendoza (6 out of 6 patents)

silverMedal John J Stallbaumer (6 out of 7 patents)

bronzeMedal Robert D Rahn (2 out of 2 patents)

4.  Gary L Dunkle (2 out of 2 patents)

5.  George Barton (1 out of 25 patents)

6.  Kenneth E Rousseau (1 out of 4 patents)

7.  Jose' Angel Caceres Mendoza (1 out of 1 patent)


17 patents:

1. 12673709 - Retractable and extendable hand truck base plate assembly with a securing and releasing mechanism (2026-07-07),
2. 12240517 - Two position hand truck (2025-03-04),
3. 12221148 - Four position hand truck (2025-02-11),
4. 11560168 - Four position hand truck (2023-01-24),
5. 11472461 - Two position hand truck (2022-10-18),
6. 10864933 - Four position hand truck (2020-12-15),
7. 10703397 - Hand truck with folding toe plate (2020-07-07),
8. 6758482 - Multipurpose storage and transport cart (2004-07-06),
9. 6481727 - Hand truck toe plate and method of manufacture (2002-11-19),
10. 6419434 - Adjustable length cargo brace (2002-07-16),
11. 6308967 - Dual hand truck (2001-10-30),
12. D395105 - Hand truck (1998-06-09),
13. 5749588 - Composite hand truck (1998-05-12),
14. D384467 - Hand truck side frame (1997-09-30),
15. D354601 - Foldable hand truck assembly (1995-01-17),
Company Overview
Harper Trucks, Inc. is a specialized manufacturer based in Wichita, Kansas, focusing on innovative material handling solutions. The company is renowned for its development of lightweight, durable hand trucks and other transport equipment designed to enhance efficiency in various industries. Harper Trucks emphasizes engineering excellence and user-centric design, catering to both commercial and residential markets. Their commitment to quality and innovation positions them as a key player in the material handling sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

17 Patents

#17 in Wichita, KS

#125 in Kansas

#18,914 in US

#35,987 in the World

Wichita, KS (US)
Wichita, KS, United States of America

Harper Trucks, Inc.

Forward Citations = 177

7 inventors:

goldMedal José Angel Caceres Mendoza (6 out of 6 patents)

silverMedal John J Stallbaumer (6 out of 7 patents)

bronzeMedal Robert D Rahn (2 out of 2 patents)

4.  Gary L Dunkle (2 out of 2 patents)

5.  George Barton (1 out of 25 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Harper Trucks, Inc.. Retrieved from https://idiyas.com/company/harper-trucks

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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