For the Inventor, By the Inventor

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Lawrenceville, NJ, United States of America

Heinemann Electric Company

USPTO Granted Patents = 38

Trademarks = 1

Forward Citations = 374

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25 inventors (with patents filed for the assignee):

Konrad J Richter, Sr (5 out of 5 patents)

Albert D Lisnay (4 out of 4 patents)

Joseph Fierro (3 out of 3 patents)

4. Ronald Nicol (3 out of 3 patents)

5. Thomas Guinan (3 out of 3 patents)

6. Paul S Cambreleng (2 out of 2 patents)

7. Keith L Schilling (2 out of 2 patents)

8. Edward Tarchalski (2 out of 2 patents)

9. William F Scanlon (2 out of 2 patents)

10. Harry H Nagel (2 out of 2 patents)

11. Frank P Aadahl (1 out of 5 patents)

12. George W Ford, Iii (1 out of 1 patent)

13. Porter Hoagland, Jr (1 out of 2 patents)

14. Albert Strobel (1 out of 2 patents)

15. John C Wilkinson (1 out of 1 patent)

38 patents: Sort by Forward Citations

1. 5064977 - Molded unitary frame for circuit protection (1991-11-12),

2. 4963847 - Circuit breaker with transparent tube magnetic core holder (1990-10-16),

3. 4949059 - Flange engagement of captive tube by enclosure wall in electromagnetic (1990-08-14),

4. 4940957 - Flange engagement of captive tube in electromagnetic circuit breakers (1990-07-10),

5. 4931762 - Circuit breaker construction (1990-06-05),

6. 4926148 - Auxiliary switch retainer for circuit breakers and actuator member (1990-05-15),

7. 4918413 - Clamp for captive tube in electromagnetic circuit breakers (1990-04-17),

8. 4886462 - Circuit breaker printed circuit board connector device (1989-12-12),

9. 4752239 - Circuit breaker support and connection modifying device (1988-06-21),

10. 4665284 - Mechanism for transmitting movement between switch handles of respective (1987-05-12),

11. 4644114 - Assembly for coupling switch handles (1987-02-17),

12. 4618745 - Circuit breaker mechanism (1986-10-21),

13. 4612523 - Circuit breaker mechanism (1986-09-16),

14. 4609119 - Retaining device for mounting electrical units (1986-09-02),

15. 4584545 - Single section circuit breaker having a metering shunt (1986-04-22),

Heinemann Electric Company is a leading provider of high-quality electrical products and solutions. With over 100 years of experience, we design, manufacture, and distribute a wide range of circuit breakers, power distribution units, switches, and other electrical components. Our products are known for their reliability, efficiency, and innovative features. Visit our website to learn more about our offerings and how we can help meet your electrical needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

38 Patents

#3 in Lawrenceville, NJ

#364 in New Jersey

#8,726 in US

#17,311 in the World

Lawrenceville, NJ, United States of America

Heinemann Electric Company

Forward Citations = 374

25 inventors:

Konrad J Richter, Sr (5 out of 5 patents)

Albert D Lisnay (4 out of 4 patents)

Joseph Fierro (3 out of 3 patents)

4. Ronald Nicol (3 out of 3 patents)

5. Thomas Guinan (3 out of 3 patents)

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