Trademarks = 2

Forward Citations = 58

Loading Chart...

3 inventors (with patents filed for the assignee):

George J Ovanin (5 out of 5 patents)

Edward D Gailey (4 out of 7 patents)

William E Hall (2 out of 2 patents)

7 patents: Sort by Forward Citations

1. 4909521 - Chuck having gripping and locating sensors (1990-03-20),

2. 4685687 - Workholder (1987-08-11),

3. 4621568 - Rotary hydraulic cylinder (1986-11-11),

4. 4550922 - Workholder (1985-11-05),

5. 4546988 - Chuck top jaw with removable insert (1985-10-15),

6. 3984114 - Chuck with anti-centrifugal force feature (1976-10-05),

7. 3945275 - Rotary jaw chuck with stock detector (1976-03-23),

The S-p Manufacturing Corporation is a leading manufacturer of precision-engineered parts and components for various industries. With state-of-the-art technology and a commitment to quality, S-p Manufacturing delivers superior products to clients worldwide. From aerospace to automotive, our expertise and dedication to excellence make us a trusted partner in the industry.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

7 Patents

#206 in Cleveland, OH

#1,572 in Ohio

#39,856 in US

Cleveland, OH, United States of America

The S-P Manufacturing Corporation

Forward Citations = 58

3 inventors:

George J Ovanin (5 out of 5 patents)

Edward D Gailey (4 out of 7 patents)

William E Hall (2 out of 2 patents)

Please report any incorrect information to [email protected]