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Solingen, Germany

Zweibruder Optoelectronics Gmbh

USPTO Granted Patents = 43

% Expired Patents = 11.6

EPO Patents = 1

Trademarks = 2

Forward Citations = 659

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4 inventors (with patents filed for the assignee):

Rainer Opolka (37 out of 61 patents)

Harald Opolka (5 out of 7 patents)

Andre Kunzendorf (2 out of 37 patents)

4. Andreas Timinger (1 out of 2 patents)

Core Competencies:

LED Illumination

Flashlight

Lamp

Multitool

Battery Cartridge

Reflector Lamp

Underwater Torch

Display Stand

Keychain Flashlight

Flexible-Shaft Lamp

Image-Casting LED

Head Lamp

43 patents: Sort by Forward Citations

1. RE43072 - Spotlight (2012-01-09),

2. 7852181 - Package or support for an electrical device (2010-12-14),

3. 7850332 - Battery cartridge for flashlight (2010-12-14),

4. 7658520 - Vehicle flashlight with charger (2010-02-09),

5. D603240 - Multitool with built-in flashlight (2009-11-03),

6. D603239 - Multitool with built-in flashlight (2009-11-03),

7. D596423 - Display stand (2009-07-21),

8. D583087 - Flashlight (2008-12-16),

9. 7465060 - Packaging or support for a lamp (2008-12-16),

10. D582592 - Flashlight (2008-12-09),

11. 7461960 - LED illumination module (2008-12-09),

12. D571489 - Spotlight (2008-06-17),

13. D567044 - Scissors (2008-04-22),

14. D566883 - Humanoid lamp (2008-04-15),

15. D565782 - Lamp (2008-04-01),

Zweibruder Optoelectronics GmbH, based in Solingen, Germany, specializes in the development and manufacturing of advanced LED illumination solutions. The company focuses on a diverse range of products, including multitool flashlights, vehicle flashlights, keychain flashlights, and specialized lamps such as humanoid and underwater torch lamps. With a commitment to innovation, Zweibruder integrates cutting-edge technology into its reflector and flexible-shaft lamps, catering to both consumer and professional markets.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

43 Patents

#7 in Solingen

#1,201 in Germany

#16,025 in the World

Solingen, Germany

Zweibruder Optoelectronics Gmbh

Forward Citations = 659

4 inventors:

Rainer Opolka (37 out of 61 patents)

Harald Opolka (5 out of 7 patents)

Andre Kunzendorf (2 out of 37 patents)

4. Andreas Timinger (1 out of 2 patents)

Please report any incorrect information to [email protected]

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