For the Inventor, By the Inventor

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Elmhurst, IL, United States of America

Rotec Industries, Inc.

USPTO Granted Patents = 17

% Expired Patents = 5.9

Trademarks = 3

Forward Citations = 304

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9 inventors (with patents filed for the assignee):

Robert F Oury (16 out of 17 patents)

Charles J Arndt (4 out of 4 patents)

Bruce Arndt (3 out of 6 patents)

4. A Steven Ledger (3 out of 3 patents)

5. Joseph P Gallione (2 out of 5 patents)

6. Alan S Ledger (2 out of 2 patents)

7. Mark S Dingeldein (2 out of 2 patents)

8. James C Graham (1 out of 1 patent)

9. Robert F Oory (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 7520697 - System and method for elevating a support post (2009-04-21),

2. 7353935 - Conveyor discharge device (2008-04-08),

3. 6336545 - Conveyor support crawler for a mobile conveyor system (2002-01-08),

4. 6276521 - Modular truss assembly for a conveyor system (2001-08-21),

5. 5762179 - Conveyor modular construction techniques (1998-06-09),

6. 5699878 - Conveyor elevating techniques (1997-12-23),

7. 5203442 - Cantilever conveying techniques (1993-04-20),

8. 4875569 - Concrete delivery system (1989-10-24),

9. 4846580 - Large scale concrete conveyance techniques (1989-07-11),

10. 4822210 - Concrete finishing machine (1989-04-18),

11. 4624357 - Vehicle-mounted extensible conveyor (1986-11-25),

12. 4531630 - Load sensor (1985-07-30),

13. 4278190 - Concrete discharge hopper (1981-07-14),

14. 4262696 - Swivel arm concrete placer (1981-04-21),

15. 4170291 - Articulate conveyor system for tower crane (1979-10-09),

Rotec Industries, Inc. is a leading provider of industrial machinery and equipment. With a focus on innovation and quality, we specialize in designing and manufacturing customized solutions for a wide range of industries. Our expertise includes precision machining, fabrication, and assembly services to meet the unique needs of our customers. Visit our website to learn more about our capabilities and how we can help you achieve your business goals.

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

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USPTO Data Jan 1 1976 - Sep 22 2026

17 Patents

#4 in Elmhurst, IL

#971 in Illinois

#18,854 in US

#35,837 in the World

Elmhurst, IL, United States of America

Rotec Industries, Inc.

Forward Citations = 304

9 inventors:

Robert F Oury (16 out of 17 patents)

Charles J Arndt (4 out of 4 patents)

Bruce Arndt (3 out of 6 patents)

4. A Steven Ledger (3 out of 3 patents)

5. Joseph P Gallione (2 out of 5 patents)

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