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Pittsburgh, PA, United States of America

Joy Manufacturing Company

Calculating rank

USPTO Granted Patents = 171

Trademarks = 7

Forward Citations = 2,077

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143 inventors (with patents filed for the assignee):

Edward A Bailey (14 out of 14 patents)

George A Hibbard (8 out of 10 patents)

Harley G Peterson (7 out of 8 patents)

4. Neal W Densmore (6 out of 8 patents)

5. Charles W Haynes (6 out of 11 patents)

6. Louis H LeBlanc, Jr (6 out of 6 patents)

7. Tri C Le (6 out of 8 patents)

8. William S Shelton (5 out of 11 patents)

9. Danny S Meyer (5 out of 14 patents)

10. James F Ordway (5 out of 5 patents)

11. Keith Hart (5 out of 17 patents)

12. Ward D Morrison (4 out of 17 patents)

13. G Robert Frey (4 out of 4 patents)

14. F Harold Hollister (4 out of 4 patents)

15. Everett L Coe, Jr (3 out of 10 patents)

Core Competencies:

Conveyor Belt

Gate Valve

Hydraulic Actuator

Mining Machine

Pneumatic Motor

Continuous Miner

Fluid Handling

Centrifuge Apparatus

Sludge Processing

High Pressure Sensor

Bit Holder

Rotary Processor

171 patents: Sort by Forward Citations

1. D417291 - Window or door frame component (1999-11-30),

2. D408932 - Window or door frame adapter component (1999-04-27),

3. D408563 - Window or door frame component (1999-04-20),

4. D408088 - Combined header and sill frame component for a window or door (1999-04-13),

5. D408087 - Window or door frame corner component (1999-04-13),

6. 4852724 - Crawler-mounted conveying train (1989-08-01),

7. 4750274 - Sludge processing (1988-06-14),

8. 4682757 - Secondary backseat for gate valve (1987-07-28),

9. 4667813 - Conveyor belt chain (1987-05-26),

10. 4667812 - Conveyor belt assembly and method (1987-05-26),

11. 4658848 - Heat responsive backseat for gate valves (1987-04-21),

12. 4655507 - Continuous miner (1987-04-07),

13. 4651970 - Valve actuator with auxiliary energy storage means (1987-03-24),

14. 4650254 - Bit holder (1987-03-17),

15. 4650226 - Holddown screw (1987-03-17),

Company Overview

Joy Manufacturing Company, based in Pittsburgh, PA, specializes in the development and manufacturing of advanced mining equipment. The company is recognized for its innovative solutions in the mining sector, focusing on technologies such as conveyor belts, gate valves, hydraulic actuators, and pneumatic motors. Joy's expertise extends to continuous miners and fluid handling systems, contributing to enhanced efficiency and safety in mining operations. With a commitment to quality and innovation, Joy Manufacturing plays a vital role in the evolution of mining technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

171 Patents

#23 in Pittsburgh, PA

#100 in Pennsylvania

#2,341 in US

#4,853 in the World

Pittsburgh, PA, United States of America

Joy Manufacturing Company

Forward Citations = 2,077

143 inventors:

Edward A Bailey (14 out of 14 patents)

George A Hibbard (8 out of 10 patents)

Harley G Peterson (7 out of 8 patents)

4. Neal W Densmore (6 out of 8 patents)

5. Charles W Haynes (6 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Joy Manufacturing Company. Retrieved from https://idiyas.com/company/joy-manufacturing-company

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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