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St. Louis, MO, United States of America

Williams Patent Crusher and Pulverizer Company

USPTO Granted Patents = 34

Trademarks = 5

Forward Citations = 438

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8 inventors (with patents filed for the assignee):

Robert M Williams, Jr (28 out of 70 patents)

Robert M Williams (2 out of 38 patents)

Robert M Williams, Sr (2 out of 2 patents)

4. Paul H Becherer (2 out of 2 patents)

5. Christopher F Foeller (1 out of 1 patent)

6. Carl A Rehmer (1 out of 1 patent)

7. David Lurk (1 out of 1 patent)

8. Harold J Groves (1 out of 1 patent)

34 patents: Sort by Forward Citations

1. 11731138 - Vertical roller mill segmented bull ring and clamping system (2023-08-22),

2. 11701667 - Low profile load out lump breaker (2023-07-18),

3. 5785583 - Material cutting rotor assembly (1998-07-28),

4. 5743472 - Material reduction apparatus (1998-04-28),

5. 5474239 - Material shredding apparatus (1995-12-12),

6. 5395057 - Interchangeable and reversible material reducing apparatus (1995-03-07),

7. 5381971 - Grinding apparatus (1995-01-17),

8. 5018456 - System for disposing of sludge (1991-05-28),

9. 4798342 - Fuel processing system for control of nitrous oxide emissions (1989-01-17),

10. 4795036 - Rotary disc screen conveyor apparatus (1989-01-03),

11. 4778061 - Air classifier apparatus (1988-10-18),

12. 4767066 - Downdraft reversible hammer mill (1988-08-30),

13. 4730790 - Waste material classifying and reducing apparatus (1988-03-15),

14. 4729516 - Fluff mill (1988-03-08),

15. 4721257 - Rotary shredding apparatus (1988-01-26),

Williams Patent Crusher and Pulverizer Company is a leader in the crushing and pulverizing industry, specializing in pulverizers, crushers, shredders, impactors, and more. With over 150 years of experience in the field, they have become experts in providing efficient and reliable solutions for various industries including mining, cement, coal, limestone, and many others. Their website showcases their wide range of products and services, along with detailed information about their company history, capabilities, and customer testimonials.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

34 Patents

#64 in St. Louis, MO

#124 in Missouri

#9,663 in US

#19,027 in the World

St. Louis, MO, United States of America

Williams Patent Crusher and Pulverizer Company

Forward Citations = 438

8 inventors:

Robert M Williams, Jr (28 out of 70 patents)

Robert M Williams (2 out of 38 patents)

Robert M Williams, Sr (2 out of 2 patents)

4. Paul H Becherer (2 out of 2 patents)

5. Christopher F Foeller (1 out of 1 patent)

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