For the Inventor, By the Inventor

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Lee, NH, United States of America

L&l Engineering, LLC

USPTO Granted Patents = 21

% Expired Patents = 14.3

EPO Patents = 3

Forward Citations = 293

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5 inventors (with patents filed for the assignee):

Stewart Gall Kenly (14 out of 24 patents)

Paul W Latham, Ii (11 out of 39 patents)

Paul Latham (10 out of 18 patents)

4. John Christopher Canfield (6 out of 13 patents)

5. Laszlo Balogh (1 out of 13 patents)

6. John C Canfield (0 patent)

7. Stuart Kenly (0 patent)

21 patents: Sort by Forward Citations

1. 8751021 - Methods and systems for adaptive control (2014-06-10),

2. 8700184 - Methods and systems for adaptive control (2014-04-15),

3. 8508205 - Buck DC-to-DC converter and method (2013-08-13),

4. 8384363 - Buck DC-to-DC converter and method (2013-02-26),

5. 8344716 - Methods and systems for power supply adaptive control utilizing transfer function measurements (2013-01-01),

6. 8285502 - Digital compensator for power supply applications (2012-10-09),

7. 8253402 - Methods and systems for component value estimation in power supplies/converters (2012-08-28),

8. 8212543 - Method and systems for conduction mode control (2012-07-03),

9. 8154264 - Method and systems for conduction mode control (2012-04-10),

10. 8120401 - Methods and systems for digital pulse width modulator (2012-02-21),

11. 8059018 - Systems and methods for digital control utilizing oversampling (2011-11-15),

12. 8014879 - Methods and systems for adaptive control (2011-09-06),

13. 7986135 - Method and systems for conduction mode control (2011-07-26),

14. 7915881 - Buck DC-to-DC converter and method (2011-03-29),

15. 7884591 - Non-linear PWM controller for DC-to-DC converters (2011-02-08),

L&L Engineering, LLC is a leading engineering firm specializing in providing innovative solutions for various industries. With a team of experienced professionals, we offer a wide range of services, including mechanical and electrical engineering, design consultation, project management, and more. Our commitment to excellence and dedication to customer satisfaction sets us apart. Visit our website to learn more about our expertise and how we can help you achieve your engineering goals.

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Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

L&l Engineering, LLC

21 Patents

#1 in Lee, NH

#103 in New Hampshire

#15,662 in US

#29,874 in the World

Lee, NH, United States of America

L&l Engineering, LLC

Forward Citations = 293

5 inventors:

Stewart Gall Kenly (14 out of 24 patents)

Paul W Latham, Ii (11 out of 39 patents)

Paul Latham (10 out of 18 patents)

4. John Christopher Canfield (6 out of 13 patents)

5. Laszlo Balogh (1 out of 13 patents)

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