For the Inventor, By the Inventor

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Rochester, NY, United States of America

Caldwell Manufacturing Company North America, LLC

USPTO Granted Patents = 43

CIPO Patents = 145

EPO Patents = 8

Forward Citations = 384

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57 inventors (with patents filed for the assignee):

Wilbur James Kellum, Iii (16 out of 18 patents)

Mark R Baker (12 out of 55 patents)

Richard S deNormand (11 out of 18 patents)

4. Jay Keith Sofianek (10 out of 14 patents)

5. Robert Michael Lucci (8 out of 11 patents)

6. James M McInnis (6 out of 7 patents)

7. Eric Rodems (4 out of 4 patents)

8. Patrick E Milligan (3 out of 9 patents)

9. Jeffrey D Tuller (3 out of 35 patents)

10. Malcolm Muir (3 out of 9 patents)

11. John Kessler (3 out of 3 patents)

12. Andrew Baglio (2 out of 3 patents)

13. Douglas Zinter (2 out of 2 patents)

14. Nathan C Serfass (1 out of 1 patent)

15. Brandan Cruz (1 out of 1 patent)

43 patents: Sort by Forward Citations

1. 11624225 - Window balance assembly (2023-04-11),

2. 11613920 - Window balance assembly (2023-03-28),

3. 11339598 - Window vent assist mechanism for vent window assembly (2022-05-24),

4. 10704308 - Window balance assembly (2020-07-07),

5. 10648206 - Corner drive assembly for window locking system (2020-05-12),

6. 10577848 - Powered actuator (2020-03-03),

7. 10309144 - Vent operator (2019-06-04),

8. 10208528 - Fold-up window hardware (2019-02-19),

9. 10208517 - Window balance assembly including sash support bracket (2019-02-19),

10. 10167658 - Side-load hung window assembly with sash guides (2019-01-01),

11. 10053899 - Side-load, constant force window and window balance assembly (2018-08-21),

12. 9995072 - Window balance assembly (2018-06-12),

13. 9988834 - Carrier device for window balance assembly (2018-06-05),

14. 9982469 - Pivot bar for window sash (2018-05-29),

15. 9976329 - Adjustable carriage assembly for suspending a panel (2018-05-22),

Caldwell Manufacturing Company North America, LLC is a well-established manufacturing company based in North America. With years of experience in the industry, we specialize in producing high-quality and innovative products for various sectors. Our company is dedicated to providing exceptional solutions, building strong customer relationships, and continuously improving our manufacturing processes. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

43 Patents

#25 in Rochester, NY

#447 in New York

#7,813 in US

#15,554 in the World

Rochester, NY, United States of America

Caldwell Manufacturing Company North America, LLC

Forward Citations = 384

57 inventors:

Wilbur James Kellum, Iii (16 out of 18 patents)

Mark R Baker (12 out of 55 patents)

Richard S deNormand (11 out of 18 patents)

4. Jay Keith Sofianek (10 out of 14 patents)

5. Robert Michael Lucci (8 out of 11 patents)

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