For the Inventor, By the Inventor

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Pittsburgh, PA, United States of America

Joy Technologies, Inc.

Calculating rank

USPTO Granted Patents = 31

Trademarks = 1

Forward Citations = 830

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18 inventors (with patents filed for the assignee):

Edward Wechner (7 out of 10 patents)

Michael L O'Neill (5 out of 33 patents)

Joseph S David (4 out of 8 patents)

4. Dennis Cowles (3 out of 3 patents)

5. Stephen P Moore (2 out of 2 patents)

6. Eugene F Pendolino (2 out of 3 patents)

7. Wayne L Edmondson (2 out of 3 patents)

8. Terry M Thomas (2 out of 11 patents)

9. Roger C Anderson (2 out of 2 patents)

10. Theodore B Bodimer (2 out of 4 patents)

11. Joseph J Zimmerman (1 out of 19 patents)

12. Gary C Marshall (1 out of 2 patents)

13. George A Osterwise (1 out of 1 patent)

14. Neal W Densmore (1 out of 8 patents)

15. Thomas F Sturniolo (1 out of 1 patent)

Core Competencies:

Conveyor

Cutting Bit

Chain

Miner

Auxiliary Conveying

Elevated

Material Transfer

Roof Bolt Drill

Crawler-Mounted

Flexible

Temporary Support

Drive

31 patents: Sort by Forward Citations

1. 5302005 - Apparatus for holding a cutting bit (1994-04-12),

2. 5285736 - Pressure relief apparatus for a vessel (1994-02-15),

3. 5254047 - Chain take-up apparatus (1993-10-19),

4. 5242358 - Machine tool accessory mounting method and apparatus (1993-09-07),

5. 5165766 - Tram chain connection link (1992-11-24),

6. 5163545 - Auxiliary conveying apparatus for use with mobile articulated conveyors (1992-11-17),

7. 5161670 - Auxiliary conveying apparatus for elevationally selectable discharge (1992-11-10),

8. 5156256 - Elevated auxiliary conveying apparatus (1992-10-20),

9. 5106166 - Cutting bit holding apparatus (1992-04-21),

10. 5088797 - Method and apparatus for holding a cutting bit (1992-02-18),

11. 5088594 - Chain and flight conveyor (1992-02-18),

12. 5072826 - Chain conveyor for miner (1991-12-17),

13. 5026218 - Temporary roof support cylinder (1991-06-25),

14. 5011229 - Miner cutting bit holding apparatus (1991-04-30),

15. 5004098 - Conveyor belt (1991-04-02),

Company Overview

Joy Technologies, Inc. is a Pittsburgh-based company specializing in advanced engineering solutions and innovative technologies. The organization focuses on developing cutting-edge products and services in the fields of automation, robotics, and industrial systems. With a commitment to enhancing operational efficiency and safety, Joy Technologies leverages its expertise to serve various industries, including manufacturing and logistics. The company's research initiatives aim to push the boundaries of technology, fostering sustainable practices and improving productivity.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

31 Patents

#76 in Pittsburgh, PA

#397 in Pennsylvania

#10,946 in US

#21,301 in the World

Pittsburgh, PA, United States of America

Joy Technologies, Inc.

Forward Citations = 830

18 inventors:

Edward Wechner (7 out of 10 patents)

Michael L O'Neill (5 out of 33 patents)

Joseph S David (4 out of 8 patents)

4. Dennis Cowles (3 out of 3 patents)

5. Stephen P Moore (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Joy Technologies, Inc.. Retrieved from https://idiyas.com/company/joy-technologies

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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