For the Inventor, By the Inventor

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Cockeysville, MD, United States of America

Murray Corporation

Calculating rank

USPTO Granted Patents = 74

% Expired Patents = 6.8

Trademarks = 8

Forward Citations = 1,282

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57 inventors (with patents filed for the assignee):

Robert H Proctor (12 out of 13 patents)

Arthur S Kish (9 out of 9 patents)

Richard D Williams (7 out of 16 patents)

4. Robert F Fay (6 out of 6 patents)

5. Richard J Pitman (6 out of 6 patents)

6. Paul T Wallace (5 out of 5 patents)

7. Joseph P Deschamps (4 out of 4 patents)

8. Richard A Heismann (4 out of 6 patents)

9. Paul L Scott (4 out of 4 patents)

10. John Burns (4 out of 14 patents)

11. Ronald G Brant (3 out of 3 patents)

12. James F Peterson (3 out of 4 patents)

13. Donald G Erickson (3 out of 3 patents)

14. Dennis P Eichenlaub (3 out of 3 patents)

15. Laramie Wayne Mixon (3 out of 3 patents)

Core Competencies:

Rotary Mower

Engine Control

Motorized Hand Truck

Hose Clamp

Lawn Tractor

Cutting Arrangement

Bicycle Frame

Air Conditioner

Hydrostatic Control

Snow Thrower

Quick Change Blade

Torque Couplings

74 patents: Sort by Forward Citations

1. 7434440 - Heavy-duty PEX clamp installation tool (2008-10-14),

2. D503722 - Engine (2005-04-05),

3. 6679039 - Rotary mower blade (2004-01-20),

4. 6672411 - Control mechanism for a zero turning radius vehicle (2004-01-06),

5. 6659565 - Motorized hand truck for driving and steering a wheeled accessory (2003-12-09),

6. 6641497 - Epicyclic transmission for zero turning radius vehicles (2003-11-04),

7. 6598586 - Dual arm choke and throttle control (2003-07-29),

8. D476341 - Storage bin for a riding lawnmower (2003-06-25),

9. 6572125 - Rack and pinion steering arrangement for a riding lawnmower (2003-06-03),

10. 6497453 - Frame and seat support for a riding lawn mower (2002-12-24),

11. D465631 - Motorized wheelbarrow (2002-11-13),

12. 6437458 - Engine control circuit for a lawn tractor (2002-08-20),

13. D460465 - Hood for a front engine riding mower (2002-07-17),

14. D458613 - Housing for a rotary lawnmower (2002-06-12),

15. D458612 - Housing for a rotary lawnmower (2002-06-12),

Company Overview

Murray Corporation, headquartered in Cockeysville, Maryland, specializes in the development and manufacturing of lawn equipment. The company focuses on innovative solutions in various domains, including rotary mowers, engine control systems, and motorized hand trucks. Additionally, Murray is involved in the design of lawn tractors, cutting arrangements, and hose clamps, contributing to advancements in outdoor power equipment. Their expertise extends to bicycle frames and air conditioning systems, showcasing a diverse technological portfolio aimed at enhancing outdoor and mechanical efficiency.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

74 Patents

#1 in Cockeysville, MD

#42 in Maryland

#4,983 in US

#10,144 in the World

Cockeysville, MD, United States of America

Murray Corporation

Forward Citations = 1,282

57 inventors:

Robert H Proctor (12 out of 13 patents)

Arthur S Kish (9 out of 9 patents)

Richard D Williams (7 out of 16 patents)

4. Robert F Fay (6 out of 6 patents)

5. Richard J Pitman (6 out of 6 patents)

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

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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