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For the Inventor, By the Inventor

Toronto, Canada

Diesel Equipment Limited


USPTO Granted Patents = 31

Forward Citations = 371

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10 inventors (with patents filed for the assignee):

goldMedal John C Martin (22 out of 25 patents)

silverMedal Paul H Martin (16 out of 16 patents)

bronzeMedal Jan Ballyns (4 out of 4 patents)

4.  Roy G Furzer (3 out of 3 patents)

5.  Graham V Kipling (2 out of 2 patents)

6.  William C McKee (2 out of 2 patents)

7.  Richard C Olins (2 out of 2 patents)

8.  Roger J Martin (1 out of 9 patents)

9.  Michael S Belchos (1 out of 1 patent)

10.  Paul D Hickling (1 out of 1 patent)


Core Competencies:
Roll Up Door
Dump Body
Hydraulic Pump
Pneumatic Control Valve
Exhaust Extraction
Tailgate Mechanism
High Pressure Valve
Safety System
Truck Body Manufacturing
Elevator Platform
Modulator Valve
Telescopic Body

31 patents:

1. 5738161 - Roll up door (1998-04-14),
2. 5681095 - Dump body for a vehicle (1997-10-28),
3. 5398506 - Control system for hydraulic pump system (1995-03-21),
4. 5305782 - Pneumatic control valve system (1994-04-26),
5. 5269592 - Hydraulic rams (1993-12-14),
6. 5176226 - Tailgate closing mechanism for tailgate hoist (1993-01-05),
7. 5085133 - Exhaust extraction system for welding site (1992-02-04),
8. 4993470 - Latch for powered door assembly (1991-02-19),
9. 4949772 - Roll-up doors (1990-08-21),
10. 4940380 - Load elevator platform for truck or the like (1990-07-10),
11. 4865389 - Control system for vehicles (1989-09-12),
12. 4865079 - High pressure hydraulic flow control valve (1989-09-12),
13. 4860813 - Doors for vans (1989-08-29),
14. 4825909 - High pressure hydraulic flow control valve (1989-05-02),
15. 4825190 - Safety system for preventing the unauthorized use of powered liftgates (1989-04-25),
Company Overview
Diesel Equipment Limited is a prominent player in the automotive and industrial sectors, specializing in the development and manufacturing of high-quality diesel engine components and systems. The company focuses on providing innovative solutions that enhance performance and reliability for various applications, including heavy machinery and transportation. With a strong presence in Toronto, Canada, Diesel Equipment Limited is committed to advancing technology in diesel engine efficiency and sustainability, catering to a diverse clientele across North America.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

31 Patents

#48 in Toronto

#443 in Canada

#21,260 in the World

Toronto, CA
Toronto, Canada

Diesel Equipment Limited

Forward Citations = 371

10 inventors:

goldMedal John C Martin (22 out of 25 patents)

silverMedal Paul H Martin (16 out of 16 patents)

bronzeMedal Jan Ballyns (4 out of 4 patents)

4.  Roy G Furzer (3 out of 3 patents)

5.  Graham V Kipling (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Diesel Equipment Limited. Retrieved from https://idiyas.com/company/diesel-equipment

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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