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For the Inventor, By the Inventor

Chandler, AZ, United States of America

Durel Corporation


USPTO Granted Patents = 48

Forward Citations = 755

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34 inventors (with patents filed for the assignee):

goldMedal Robert Allen Kimball (11 out of 15 patents)

silverMedal Ralph M McGuigan (10 out of 10 patents)

bronzeMedal Rodney T Eckersley (9 out of 12 patents)

4.  Brian Jeffrey Buell (8 out of 17 patents)

5.  Charles I Zovko (6 out of 9 patents)

6.  Robert J Krafcik (5 out of 7 patents)

7.  Walter J Paciorek (4 out of 17 patents)

8.  Dee Lynn Johnson (4 out of 23 patents)

9.  Douglas T Wheeler (4 out of 4 patents)

10.  Harold T Munson (4 out of 4 patents)

11.  James H Butt (4 out of 5 patents)

12.  David G Pires (3 out of 7 patents)

13.  William A Coghlan (3 out of 5 patents)

14.  Edward L Kinnally (3 out of 4 patents)

15.  Will M Hooke (3 out of 3 patents)


Core Competencies:
Electroluminescent Lamps
Inverters
Phosphor Particles
Flexible EL Panels
High Voltage Inverters
Low Molecular Weight Resins
Brightness Control
Fingerprint Detection
Electrical Connectors
Cascading Dyes
Modular Lamp Units
Analog Displays

48 patents:

1. 6818326 - EL lamp with flexible areas (2004-11-16),
2. 6806642 - Light source with cascading dyes and BEF (2004-10-19),
3. 6787993 - Ink including low molecular weight PVDF/HFP resin (2004-09-07),
4. 6787988 - Process for treating previously coated phosphor particles (2004-09-07),
5. 6703781 - El lamp with light scattering particles in cascading layer (2004-03-09),
6. 6611109 - Infrared emitting EL lamp (2003-08-26),
7. 6597123 - Inverter for driving EL lamp and liquid crystal display (2003-07-22),
8. 6580222 - Inverter for driving EL lamp and light emitting diodes (2003-06-17),
9. 6528943 - EL lamp with increased phosphor density (2003-03-04),
10. 6465951 - Electroluminescent lamp devices and their manufacture (2002-10-15),
11. 6462485 - EL driver for small semiconductor die (2002-10-08),
12. 6445128 - EL panel made with low molecular weight PVDF/HFP resin (2002-09-03),
13. 6433476 - EL lamp with heater electrode (2002-08-13),
14. 6411726 - Fingerprint detector using an EL lamp (2002-06-25),
15. 6407507 - Personal electronic device having EL lamp and buzzer powered from a single inductor (2002-06-18),
Durel Corporation is a leading technology company specializing in the design, development, and manufacturing of innovative electronic solutions. With a strong focus on power management and control systems, Durel provides cutting-edge products and customized solutions to meet the complex needs of various industries. With a diverse portfolio of clients and a dedicated team of experts, Durel Corporation continues to drive advancements in technology, delivering reliable and efficient solutions to enhance performance and optimize operations.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

48 Patents

#12 in Chandler, AZ

#89 in Arizona

#7,021 in US

#14,113 in the World

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Chandler, AZ, United States of America

Durel Corporation

Forward Citations = 755

34 inventors:

goldMedal Robert Allen Kimball (11 out of 15 patents)

silverMedal Ralph M McGuigan (10 out of 10 patents)

bronzeMedal Rodney T Eckersley (9 out of 12 patents)

4.  Brian Jeffrey Buell (8 out of 17 patents)

5.  Charles I Zovko (6 out of 9 patents)

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