For the Inventor, By the Inventor

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Geneva, IL, United States of America

Fischer Industries, Inc.

USPTO Granted Patents = 13

% Expired Patents = 7.7

Forward Citations = 38

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9 inventors (with patents filed for the assignee):

Warren G Fischer (6 out of 10 patents)

Leonard P Krystal (3 out of 3 patents)

Richard B Saidat (3 out of 3 patents)

4. Thomas P Muchisky (2 out of 10 patents)

5. Philip J O'Keefe (1 out of 1 patent)

6. James J Flanigan (1 out of 1 patent)

7. William Dubon (1 out of 1 patent)

8. Robert L Burbury (1 out of 8 patents)

9. Vincent H Bowman (1 out of 2 patents)

13 patents: Sort by Forward Citations

1. 6623184 - Low cost, upgradeable, deep-tank automated x-ray film processor (2003-09-23),

2. 6247858 - X-ray film processor (2001-06-19),

3. 5446516 - Replenisher system for x-ray film processor (1995-08-29),

4. 5369459 - Solution filling system for a film processor apparatus (1994-11-29),

5. D348278 - X-ray film processor (1994-06-28),

6. 5262817 - Switching system for a film processor apparatus (1993-11-16),

7. 5255042 - Top-drop film feed system (1993-10-19),

8. 5185624 - Rack for automatic film processors (1993-02-09),

9. 5182593 - Roller tank (1993-01-26),

10. 5127465 - Heat exchanger (1992-07-07),

11. D272074 - Electric violin (1984-01-03),

12. D271023 - Electric violin (1983-10-18),

13. D270255 - Electric violin (1983-08-23),

Fischer Industries, Inc. is a leading manufacturer of high-quality industrial equipment. With over 50 years of experience, we specialize in producing machinery for the construction, mining, and agricultural industries. Our products are known for their durability, reliability, and efficiency. We are committed to providing top-notch customer service and innovative solutions to meet our clients' needs.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

13 Patents

#4 in Geneva, IL

#1,183 in Illinois

#23,808 in US

#44,950 in the World

Geneva, IL, United States of America

Fischer Industries, Inc.

Forward Citations = 38

9 inventors:

Warren G Fischer (6 out of 10 patents)

Leonard P Krystal (3 out of 3 patents)

Richard B Saidat (3 out of 3 patents)

4. Thomas P Muchisky (2 out of 10 patents)

5. Philip J O'Keefe (1 out of 1 patent)

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