For the Inventor, By the Inventor

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Pittsburgh, PA, United States of America

Joy Technologies, Inc.

USPTO Granted Patents = 31

Trademarks = 1

Forward Citations = 827

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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),

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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Joy Technologies, Inc.

31 Patents

#76 in Pittsburgh, PA

#396 in Pennsylvania

#10,921 in US

#21,238 in the World

Pittsburgh, PA, United States of America

Joy Technologies, Inc.

Forward Citations = 827

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)

Please report any incorrect information to [email protected]

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