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Bloomfield, NJ, United States of America

Duro-test Corporation

USPTO Granted Patents = 45

Forward Citations = 507

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22 inventors (with patents filed for the assignee):

Peter J Walsh (17 out of 18 patents)

Donald P Northrop (10 out of 12 patents)

Joel Shurgan (6 out of 6 patents)

4. Herbert S Strauss (5 out of 5 patents)

5. Luke Thorington (4 out of 4 patents)

6. Lawrence Sheinberg (4 out of 4 patents)

7. Ronald C Koo (3 out of 3 patents)

8. Donald G Trutner (3 out of 3 patents)

9. Wolfgang E Thouret (3 out of 3 patents)

10. Raymond P Fontana (2 out of 5 patents)

11. Gerald Schiazzano (2 out of 2 patents)

12. Arpad L Pirovic (2 out of 16 patents)

13. Rudolph Kaufman (2 out of 2 patents)

14. Lin Lin (1 out of 1 patent)

15. David P Strauss (1 out of 1 patent)

Core Competencies:

Compact Fluorescent Lamp

Fluorescent Lamp

Incandescent Lamp

Energy-Efficient Lighting

High Intensity Discharge Lamp

Phosphor Blends

Reflective Coating

Gas Discharge Lamp

Electrodeless Coupled Discharge Lamp

Infrared Reflective Lamp

Socket Adaptor

Filament Characteristics

45 patents: Sort by Forward Citations

1. 6072284 - Three-way compact fluorescent lamp ballast and lamp holder incorporating (2000-06-06),

2. 5498924 - Fluorescent lamp capable of operating on multiple ballast system (1996-03-12),

3. 5122710 - Rare earth phosphor blends for fluorescent lamp using four to five (1992-06-16),

4. 4924368 - Fluorescent lamp with protective shield (1990-05-08),

5. 4891550 - Phosphor blend for broad spectrum fluorescent lamp (1990-01-02),

6. 4816714 - Corner cube array for use in incandescent lamps (1989-03-28),

7. 4792716 - Energy-efficient electric discharge lamp with reflective coating (1988-12-20),

8. 4758173 - Socket adaptor for fluorescent lamp (1988-07-19),

9. 4752718 - High intensity discharge lamp with integral means for arc extinguishing (1988-06-21),

10. 4745323 - Compact fluorescent lamp with outer envelope (1988-05-17),

11. 4734616 - Fluoresent lamp with double cathode and probe (1988-03-29),

12. 4728848 - Energy-efficient incandescent reflector lamp (1988-03-01),

13. 4714857 - Infrared reflective lamp with envelope having straight sections (1987-12-22),

14. 4707632 - Energy-efficient lamp (1987-11-17),

15. 4703220 - Incandescent lamp with extended filament lifetime (1987-10-27),

Duro-test Corporation is a leading manufacturer of innovative lighting products. With over 50 years of experience, Duro-test has established a strong reputation for producing high-quality and energy-efficient lighting solutions. Their product portfolio includes a wide range of lamps, ballasts, and fixtures designed for various applications such as residential, commercial, and industrial lighting. Duro-test is committed to continually improving their products through advanced research and development, ensuring customer satisfaction and environmental sustainability. Visit their website to explore their comprehensive lighting solutions and find the perfect lighting solution for your needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

45 Patents

#3 in Bloomfield, NJ

#317 in New Jersey

#7,499 in US

#14,974 in the World

Bloomfield, NJ, United States of America

Duro-test Corporation

Forward Citations = 507

22 inventors:

Peter J Walsh (17 out of 18 patents)

Donald P Northrop (10 out of 12 patents)

Joel Shurgan (6 out of 6 patents)

4. Herbert S Strauss (5 out of 5 patents)

5. Luke Thorington (4 out of 4 patents)

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