For the Inventor, By the Inventor

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Youngstown, OH, United States of America

Commercial Shearing, Inc.

USPTO Granted Patents = 42

Trademarks = 1

Forward Citations = 380

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29 inventors (with patents filed for the assignee):

John D Petro (8 out of 9 patents)

Robert F Hodgson (6 out of 6 patents)

Arthur J Williams (4 out of 4 patents)

4. Lambert Haner (2 out of 20 patents)

5. David W Francis (2 out of 3 patents)

6. David L Mauch (2 out of 2 patents)

7. Carl M Singer (2 out of 2 patents)

8. John D Turko (2 out of 2 patents)

9. Nicholas Chlumecky (2 out of 2 patents)

10. Arthur Williams (2 out of 2 patents)

11. Ingo Friedrichs (1 out of 1 patent)

12. James Otto Byers, Jr (1 out of 1 patent)

13. Ingvald O Juvrud (1 out of 1 patent)

14. Ronald K Getman (1 out of 1 patent)

15. Edward J Ratkay (1 out of 1 patent)

Core Competencies:

Hydraulic Valves

Fluid Control Valves

Gear Pumps

Pressure Compensated Control

Stepper Motor Control

Axial Piston Pumps

Remote Valve Operators

Cribbing

Rotary Pumps

Thrust Rings

Impact Relief Valves

Tunnel Liners

42 patents: Sort by Forward Citations

1. 4879501 - Constant speed hydrostatic drive system (1989-11-07),

2. 4839935 - Mini arched bridge (1989-06-20),

3. 4835359 - Method of manufacturing hemispherical tank heads (1989-05-30),

4. 4830536 - Method and apparatus for tunnel lining (1989-05-16),

5. 4825752 - End-of-stroke bypass valve in piston for impact relief in hydraulic tilt (1989-05-02),

6. 4803415 - Stepper motor control circuit and apparatus (1989-02-07),

7. 4789002 - Fluid valve structures (1988-12-06),

8. 4777981 - Magnetic detent joy stick and stack remote control valves (1988-10-18),

9. 4744288 - Axial piston pumps and motors (1988-05-17),

10. 4709724 - Fluid valve structures (1987-12-01),

11. 4682939 - Gear pump or motor with tooth tips of dissimilar metal (1987-07-28),

12. 4636155 - Hydraulic seal having U-shaped gasket and a plurality of plastically (1987-01-13),

13. 4585024 - Air shift conversion apparatus for manual valves (1986-04-29),

14. 4569372 - Remote valve operators (1986-02-11),

15. 4569367 - Hydraulic valve inlet unloaders (1986-02-11),

Company Overview

Commercial Shearing, Inc., based in Youngstown, OH, specializes in advanced engineering solutions, focusing on hydrostatic drive systems and hydraulic components. The company develops and manufactures a range of technologies, including axial piston pumps, rotary impeller pumps, and fluid valve structures, catering to diverse industrial applications. With expertise in stepper motor control and pressure compensated control systems, Commercial Shearing is committed to delivering innovative solutions that enhance operational efficiency and performance in various sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

42 Patents

#1 in Youngstown, OH

#355 in Ohio

#8,266 in US

#16,374 in the World

Youngstown, OH, United States of America

Commercial Shearing, Inc.

Forward Citations = 380

29 inventors:

John D Petro (8 out of 9 patents)

Robert F Hodgson (6 out of 6 patents)

Arthur J Williams (4 out of 4 patents)

4. Lambert Haner (2 out of 20 patents)

5. David W Francis (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Commercial Shearing, Inc.. Retrieved from https://idiyas.com/company/commercial-shearing

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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