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Waterloo, IA, United States of America

Chamberlain Manufacturing Corporation

USPTO Granted Patents = 32

Trademarks = 1

Forward Citations = 1,178

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29 inventors (with patents filed for the assignee):

Kiyoshi Iha (5 out of 9 patents)

Colin Barns Willmott (4 out of 37 patents)

Susanne G Henry (4 out of 4 patents)

4. Daniel L Queen (3 out of 4 patents)

5. Kazuo Tsunemura (3 out of 3 patents)

6. Wayne Robert Schindler (2 out of 4 patents)

7. Carl T Heitschel (2 out of 5 patents)

8. C K Krishnakumar (2 out of 4 patents)

9. Joseph W Twardowski (2 out of 3 patents)

10. Bernard J Wojciak, Jr (2 out of 2 patents)

11. Robert E Taylor (1 out of 14 patents)

12. Clyde K Schafer (1 out of 2 patents)

13. Philip A Saigh (1 out of 4 patents)

14. Pranas Budininkas (1 out of 2 patents)

15. John J Bergstrom (1 out of 1 patent)

32 patents: Sort by Forward Citations

1. 4806930 - Radio control transmitter which suppresses harmonic radiation (1989-02-21),

2. 4791688 - Jet pump macerator pump sewage handling system (1988-12-20),

3. 4750118 - Coding system for multiple transmitters and a single receiver for a (1988-06-07),

4. 4716301 - Digital light control (1987-12-29),

5. D292792 - Motor housing for a garage door operator (1987-11-17),

6. 4678116 - Water heater (1987-07-07),

7. 4656831 - Apparatus and method of recovering water from engine exhaust gases (1987-04-14),

8. 4653565 - Garage door opener (1987-03-31),

9. 4638433 - Microprocessor controlled garage door operator (1987-01-20),

10. 4599833 - Insert retainer for storm door (1986-07-15),

11. 4597428 - Two drum cable drive garage door opener (1986-07-01),

12. D283923 - Combined garage door and opener (1986-05-20),

13. 4538661 - Garage door operator and method of assembling (1985-09-03),

14. 4535629 - Method and apparatus for structural monitoring with acoustic emission (1985-08-20),

15. 4535333 - Transmitter and receiver for controlling remote elements (1985-08-13),

Chamberlain Manufacturing Corporation is a leading global provider of high-quality products for the home improvement industry. With over 50 years of experience, we specialize in the design, manufacturing, and distribution of innovative garage door openers, access control systems, and related accessories. Our products are known for their reliability, durability, and advanced technology. As a customer-centric company, we are committed to delivering superior performance, convenience, and safety to our clients. Visit our website for more information and explore our wide range of products to enhance your home security and convenience.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

32 Patents

#1 in Waterloo, IA

#61 in Iowa

#10,227 in US

#20,052 in the World

Waterloo, IA, United States of America

Chamberlain Manufacturing Corporation

Forward Citations = 1,178

29 inventors:

Kiyoshi Iha (5 out of 9 patents)

Colin Barns Willmott (4 out of 37 patents)

Susanne G Henry (4 out of 4 patents)

4. Daniel L Queen (3 out of 4 patents)

5. Kazuo Tsunemura (3 out of 3 patents)

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