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Forward Citations = 138

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8 inventors (with patents filed for the assignee):

Mark R Estabrook (7 out of 8 patents)

Robert J Fox (1 out of 9 patents)

Charles R Van Sickle (1 out of 1 patent)

4. Melvin Howard Zoiss (1 out of 1 patent)

5. Donald K Greenberg (1 out of 1 patent)

6. Roger Marriott (1 out of 1 patent)

7. James I Marchman (1 out of 1 patent)

8. Donald P Williams (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 5050352 - Honing stone assembly (1991-09-24),

2. 4850382 - Work booth for a robot (1989-07-25),

3. 4686035 - Cylindrical drum magnetic separator (1987-08-11),

4. 4673502 - Fixed filter drum and movable scraper (1987-06-16),

5. 4528776 - Honing machine with stonewear compensator (1985-07-16),

6. 4421647 - Filter with indexable filter web (1983-12-20),

7. 4199455 - Combined magnetic and cyclonic separating apparatus (1980-04-22),

8. 4110218 - Liquid cleaning apparatus having cyclonic separators (1978-08-29),

9. 4062780 - Vacuum filter with indexable filter web (1977-12-13),

10. 4025433 - Magnetic separating apparatus (1977-05-24),

11. 3972161 - Solid abrading tool with fiber abrasive (1976-08-03),

Barnes Drill Co. is a leading manufacturer of high-quality drill bits for various industries. With over 50 years of experience, we specialize in providing custom-made drill bits for specific drilling applications. Our cutting-edge technology and dedication to customer satisfaction have made us a trusted name in the industry.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

11 Patents

#30 in Rockford, IL

#1,297 in Illinois

#26,743 in US

#50,238 in the World

Rockford, IL, United States of America

Barnes Drill Co.