For the Inventor, By the Inventor

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Champaign, IL, United States of America

Flo-con Systems, Inc.

USPTO Granted Patents = 34

Forward Citations = 158

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12 inventors (with patents filed for the assignee):

Patrick D King (29 out of 34 patents)

Earl P Shapland (4 out of 7 patents)

Gary R Polk (3 out of 3 patents)

4. Leo T Olsen (1 out of 1 patent)

5. Bruce Winter (1 out of 2 patents)

6. Josef Lothmann (1 out of 9 patents)

7. Friedhelm Paulus (1 out of 2 patents)

8. Gary R Folk (1 out of 1 patent)

9. Ludwig Walther (1 out of 4 patents)

10. James T Shapland (1 out of 1 patent)

11. George T Shapland (1 out of 1 patent)

12. Randall L Stalter (1 out of 1 patent)

34 patents: Sort by Forward Citations

1. 5259592 - Leaf spring valve and method (1993-11-09),

2. 5188743 - Plate, changer, plate and method (1993-02-23),

3. 5174908 - Non-reversible sliding gate, valve and method (1992-12-29),

4. 5062553 - Cantilever spring mount for sliding gate valve and method (1991-11-05),

5. 5052598 - Sliding gate valve method and replaceable retractories (1991-10-01),

6. 5050847 - Staged valve multi-hole injection block and method (1991-09-24),

7. 5044533 - Clamp for bandless refractory and method (1991-09-03),

8. 5037072 - Injection block and method (1991-08-06),

9. 4951851 - Tube holder and method (1990-08-28),

10. 4919397 - Stationary injection block and injection slide plate for use with an (1990-04-24),

11. 4896801 - Method for controlling the discharge channel of a casting container (1990-01-30),

12. 4892235 - Joint and shroud support for pour tube and collector nozzle (1990-01-09),

13. 4824079 - Injection valve components and method (1989-04-25),

14. 4799649 - Injection valve components and method (1989-01-24),

15. 4789085 - Slide gate for a sliding gate valve (1988-12-06),

Flo-con Systems, Inc. is a leading manufacturer and supplier of fluid control systems for industrial and commercial applications. With over 20 years of experience, we specialize in designing and manufacturing high-quality valves, pumps, and flow meters. Our products are known for their reliability, precision, and durability. We cater to various industries including oil and gas, chemical, pharmaceutical, and water treatment. Visit our website to explore our range of products and solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

34 Patents

#2 in Champaign, IL

#525 in Illinois

#9,663 in US

#19,028 in the World

Champaign, IL, United States of America

Flo-con Systems, Inc.

Forward Citations = 158

12 inventors:

Patrick D King (29 out of 34 patents)

Earl P Shapland (4 out of 7 patents)

Gary R Polk (3 out of 3 patents)

4. Leo T Olsen (1 out of 1 patent)

5. Bruce Winter (1 out of 2 patents)

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