For the Inventor, By the Inventor

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West Chicago, IL, United States of America

National Controls Corporation

USPTO Granted Patents = 21

Trademarks = 1

Forward Citations = 353

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20 inventors (with patents filed for the assignee):

William A Joseph, Jr (6 out of 7 patents)

Frank C Rock (5 out of 6 patents)

David G Motkowski (3 out of 4 patents)

4. Donald R Buttle (3 out of 4 patents)

5. Ronald R Holt (3 out of 3 patents)

6. Gustav Kuschewski (2 out of 3 patents)

7. Darrell B Minton (2 out of 2 patents)

8. David W Ek (2 out of 2 patents)

9. Thomas Radford Sommer (1 out of 5 patents)

10. George T Yu (1 out of 4 patents)

11. Fred E Sells (1 out of 1 patent)

12. Samuel D Taber (1 out of 1 patent)

13. James H Coulter (1 out of 1 patent)

14. Jeffery C Argentine (1 out of 1 patent)

15. Willem Ebbinge (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 5662955 - Calibration method and apparatus for coffee grinder and brewer (1997-09-02),

2. 5660336 - Control apparatus and method for coffee grinder and brewer (1997-08-26),

3. 5417145 - Control apparatus and method for coffee grinder and brewer (1995-05-23),

4. 4660662 - Digital electronic scale with stabilized display (1987-04-28),

5. 4611677 - Shock proof scale (1986-09-16),

6. 4601004 - Microcomputer controlled cooking timer and method (1986-07-15),

7. D275105 - Control panel for frying computer (1984-08-14),

8. D275104 - Control panel for frying computer (1984-08-14),

9. 4237989 - Capacitive load cell and method of manufacture (1980-12-09),

10. 4179004 - Force multiplying load cell (1979-12-18),

11. 4139070 - Dual platform counting scale (1979-02-13),

12. 4138197 - Key actuator (1979-02-06),

13. D250883 - Scale base cabinet (1979-01-23),

14. 4129815 - Postal meter actuator (1978-12-12),

15. 4107985 - Load cell (1978-08-22),

National Controls Corporation is a leading provider of automation and control solutions for industrial clients. With a focus on innovation and reliability, we design and manufacture cutting-edge control systems that improve efficiency and productivity. Our experienced team of engineers and technicians are dedicated to delivering customized solutions to meet the unique needs of our customers. From PLC programming to motor control systems, we offer a comprehensive range of services to help businesses streamline their operations and achieve their goals.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

21 Patents

#6 in West Chicago, IL

#773 in Illinois

#15,142 in US

#29,009 in the World

West Chicago, IL, United States of America

National Controls Corporation

Forward Citations = 353

20 inventors:

William A Joseph, Jr (6 out of 7 patents)

Frank C Rock (5 out of 6 patents)

David G Motkowski (3 out of 4 patents)

4. Donald R Buttle (3 out of 4 patents)

5. Ronald R Holt (3 out of 3 patents)

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