For the Inventor, By the Inventor

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Tulsa, OK, United States of America

Unit Rig & Equipment Co.

USPTO Granted Patents = 33

Forward Citations = 224

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25 inventors (with patents filed for the assignee):

Charles R Satterwhite (17 out of 20 patents)

George O Greene (3 out of 4 patents)

Frederick W Loeber (2 out of 14 patents)

4. Floyd E McCann (2 out of 2 patents)

5. Robert M Fornell (2 out of 2 patents)

6. Rodger L Modglin (2 out of 2 patents)

7. Nolan W Cummins (2 out of 2 patents)

8. Mark A Morgan (1 out of 5 patents)

9. William R Borthick (1 out of 6 patents)

10. Gerald D Shepherd (1 out of 2 patents)

11. Marvin L Auxer (1 out of 1 patent)

12. Charles L Satterwhite (1 out of 1 patent)

13. Hubert J McAulay (1 out of 1 patent)

14. Orville B Francis (1 out of 1 patent)

15. Earl Beck (1 out of 1 patent)

33 patents: Sort by Forward Citations

1. 4798398 - Dual rate equalizer suspension (1989-01-17),

2. 4749065 - Disc brake retainer (1988-06-07),

3. 4744132 - Lock ring assembly and disassembly method (1988-05-17),

4. 4743070 - Tire rim clamp (1988-05-10),

5. 4706723 - Rim for heavy, off-road vehicles (1987-11-17),

6. 4698561 - Use of SCR's in extended retarding (1987-10-06),

7. 4629211 - Frame and axle for heavy duty trucks (1986-12-16),

8. 4517839 - Off-highway vehicle systems simulator and control panel testing (1985-05-21),

9. 4329087 - Excavating and pipeline installation system (1982-05-11),

10. 4324283 - Method and apparatus for mounting a giant tire (1982-04-13),

11. 4306363 - Side cutter apparatus for an excavating machine (1981-12-22),

12. 4266420 - Crimping tool (1981-05-12),

13. 4248046 - Vent accumulator for hydraulic integrator (1981-02-03),

14. 4232982 - Excavating and pipeline installation system (1980-11-11),

15. 4197662 - Means for driving the back walls of a bucket excavator (1980-04-15),

Unit Rig & Equipment Co. specializes in the manufacturing and supply of heavy-duty mining equipment. With over 80 years of experience, we offer a wide range of innovative and reliable solutions for the mining industry. Our products include haul trucks, loaders, drills, support equipment, and more. We are committed to delivering high-quality equipment that meets the demands of our customers and ensures maximum productivity and efficiency in mining operations.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

33 Patents

#18 in Tulsa, OK

#41 in Oklahoma

#9,944 in US

#19,540 in the World

Tulsa, OK, United States of America

Unit Rig & Equipment Co.

Forward Citations = 224

25 inventors:

Charles R Satterwhite (17 out of 20 patents)

George O Greene (3 out of 4 patents)

Frederick W Loeber (2 out of 14 patents)

4. Floyd E McCann (2 out of 2 patents)

5. Robert M Fornell (2 out of 2 patents)

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