For the Inventor, By the Inventor

Enter assignee name

Mentor, OH, United States of America

Towmotor Corporation

Calculating rank

USPTO Granted Patents = 199

Trademarks = 1

Forward Citations = 2,494

Loading Chart...

Loading Chart...

122 inventors (with patents filed for the assignee):

Grant C Melocik (24 out of 32 patents)

John E Wible (12 out of 23 patents)

William Pickering (11 out of 22 patents)

4. Wayne T Wiblin (9 out of 12 patents)

5. Edward V Leskovec (9 out of 12 patents)

6. Charles R Chelin (9 out of 9 patents)

7. Harold V Hildebrecht (8 out of 9 patents)

8. Richard A Schwehr (7 out of 8 patents)

9. Richard J Johannson (7 out of 7 patents)

10. William I Callaghan (6 out of 6 patents)

11. Jerry L Reeves (6 out of 7 patents)

12. Milford D McVeen (5 out of 5 patents)

13. Dafydd W Evans (5 out of 5 patents)

14. James G Blaha (5 out of 5 patents)

15. Richard N Fatur (5 out of 5 patents)

Core Competencies:

Vehicle Brakes

Rotary Position Encoder

Power Steering Control

High-Visibility Mast

Fluid Operated System

Load Lifting Carriage

Dual-Motor Control

Diagnostic Display

Adjustable Mounting

Control Pedal

Chain Retention Device

Material Fracturing

199 patents: Sort by Forward Citations

1. 4567757 - Apparatus and method for testing vehicle brakes (1986-02-04),

2. 4567467 - Angular rotary position encoder (1986-01-28),

3. 4564085 - Controlling arrangement (1986-01-14),

4. 4558194 - Foot pedal switch (1985-12-10),

5. 4557343 - Power steering control apparatus and method (1985-12-10),

6. 4555651 - Motor speed control apparatus (1985-11-26),

7. 4531615 - High-visibility mast assembly for lift trucks (1985-07-30),

8. 4529919 - Plugging and plugging override control apparatus (1985-07-16),

9. 4526251 - Chain retention device (1985-07-02),

10. 4523886 - Container handler with programmed electro-hydraulic control circuit (1985-06-18),

11. 4521885 - Diagnostic display apparatus (1985-06-04),

12. 4520986 - Suspended seat assembly (1985-06-04),

13. 4518902 - Plugging electrical braking control circuit (1985-05-21),

14. 4514665 - Current limit control circuit (1985-04-30),

15. 4511947 - Coil and coil driver control apparatus (1985-04-16),

Company Overview

Towmotor Corporation, based in Mentor, Ohio, specializes in lift truck technology, focusing on the development and manufacturing of advanced material handling equipment. The company is recognized for its innovations in vehicle braking systems, rotary position encoders, and power steering control, enhancing the efficiency and safety of lift trucks. Towmotor's expertise extends to high-visibility masts, fluid-operated systems, and dual-motor control, positioning it as a leader in the industry dedicated to improving load lifting and operational diagnostics.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

199 Patents

#4 in Mentor, OH

#96 in Ohio

#2,075 in US

#4,247 in the World

Mentor, OH, United States of America

Towmotor Corporation

Forward Citations = 2,494

122 inventors:

Grant C Melocik (24 out of 32 patents)

John E Wible (12 out of 23 patents)

William Pickering (11 out of 22 patents)

4. Wayne T Wiblin (9 out of 12 patents)

5. Edward V Leskovec (9 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Towmotor Corporation. Retrieved from https://idiyas.com/company/towmotor

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]

Loading…