Forward Citations = 177

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10 inventors (with patents filed for the assignee):

John A Borries (3 out of 5 patents)

Donald A Ciolli (2 out of 6 patents)

George R Curtiss (2 out of 6 patents)

4. Donald W Clemens (2 out of 2 patents)

5. Joseph W Adams (1 out of 3 patents)

6. Dennis A Jarc (1 out of 2 patents)

7. Frederick S Safran (1 out of 1 patent)

8. Earl E Rush (1 out of 2 patents)

9. William S Washeim (1 out of 1 patent)

10. Paul A Podsobinski (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 5530203 - Composite electrical conductor cable having internal magnetic flux shield (1996-06-25),

2. 5377578 - Torque control system (1995-01-03),

3. 5117919 - Torque control system and method (1992-06-02),

4. 4844176 - Air tool with torque shut-off valve (1989-07-04),

5. D298908 - Power tool with torque indicating ring (1988-12-13),

6. 4620449 - Portable air tool having built in transducer and calibration assembly (1986-11-04),

7. 4573370 - Gear reversing mechanism for power tools (1986-03-04),

8. 4483236 - Pneumatic throttle control (1984-11-20),

9. 4364286 - Bi-directional speed reducing mechanism (1982-12-21),

10. 4287795 - Adjustable blade wrench (1981-09-08),

11. 4255987 - Reversible speed reduction mechanism (1981-03-17),

Company Overview

The Rotor Tool Company, based in Cleveland, OH, specializes in the design and manufacture of precision cutting tools and equipment. With a focus on innovation, the company develops advanced solutions for various industries, including aerospace, automotive, and manufacturing. Their expertise encompasses a range of technologies aimed at enhancing efficiency and performance in machining processes. The Rotor Tool Company is committed to delivering high-quality products that meet the evolving needs of its clients in a competitive market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#156 in Cleveland, OH

#1,143 in Ohio

#27,514 in US

#51,761 in the World

Cleveland, OH, United States of America

The Rotor Tool Company

Forward Citations = 177

10 inventors:

John A Borries (3 out of 5 patents)

Donald A Ciolli (2 out of 6 patents)

George R Curtiss (2 out of 6 patents)

4. Donald W Clemens (2 out of 2 patents)

5. Joseph W Adams (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Rotor Tool Company. Retrieved from https://idiyas.com/company/rotor-tool-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]