For the Inventor, By the Inventor

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Greenville, SC, United States of America

Progress Lighting

USPTO Granted Patents = 20

CIPO Patents = 1

Trademarks = 16

Forward Citations = 410

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15 inventors (with patents filed for the assignee):

Dhavalkumar Prabhudas Patel (7 out of 28 patents)

Anthony Phonexay Sinphay (7 out of 14 patents)

Philip Sieczkowski (4 out of 30 patents)

4. William Buck Thomas (4 out of 6 patents)

5. Thomas Warren Weeks, Jr (3 out of 10 patents)

6. Ivo O Deron (3 out of 6 patents)

7. Luis Morales (2 out of 7 patents)

8. Douglas Matthew Hamilton (2 out of 25 patents)

9. Walter Steven Register (1 out of 4 patents)

10. Thomas T White (1 out of 1 patent)

11. Ron Newbold (1 out of 1 patent)

12. Palmer Joseph Primm (1 out of 4 patents)

13. William P Galgon (1 out of 1 patent)

14. Steven T Reisbord (1 out of 3 patents)

15. Steven J Hirshenhorn (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 12404996 - LED circuit board layout for low profile lighting fixture (2025-09-02),

2. 12388352 - Switch for a lighting system (2025-08-12),

3. 12253241 - Sloped ceiling adjustable light fixture (2025-03-18),

4. 12247716 - Fire rated canless recessed luminaire (2025-03-11),

5. 12173872 - Sloped ceiling adjustable light fixture (2024-12-24),

6. 12069780 - Thermally protected low profile LED luminaire (2024-08-20),

7. 12055154 - Edge-lit light kit for ceiling fans (2024-08-06),

8. 11959620 - Light fixture with removable driver enclosure (2024-04-16),

9. 11898730 - Sloped ceiling adjustable light fixture (2024-02-13),

10. 11898721 - Fire rated canless recessed luminaire (2024-02-13),

11. 11863061 - Switch for a lighting system (2024-01-02),

12. 6357891 - Fire assembly for recessed light fixtures (2002-03-19),

13. 6254257 - Recessed light fixture and reflector (2001-07-03),

14. 6004011 - Recessed lamp fixture (1999-12-21),

15. 5857766 - Recessed lamp fixture (1999-01-12),

Progress Lighting, headquartered in Greenville, SC, specializes in the design and manufacture of innovative lighting solutions for residential and commercial applications. The company is recognized for its commitment to quality and style, offering a diverse range of products that enhance both functionality and aesthetics in various environments. With a focus on sustainability and energy efficiency, Progress Lighting integrates advanced technologies into its offerings, catering to evolving consumer needs and trends in the lighting industry.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

20 Patents

#18 in Greenville, SC

#95 in South Carolina

#16,382 in US

#31,233 in the World

Greenville, SC, United States of America

Progress Lighting

Forward Citations = 410

15 inventors:

Dhavalkumar Prabhudas Patel (7 out of 28 patents)

Anthony Phonexay Sinphay (7 out of 14 patents)

Philip Sieczkowski (4 out of 30 patents)

4. William Buck Thomas (4 out of 6 patents)

5. Thomas Warren Weeks, Jr (3 out of 10 patents)

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