EPO Patents = 1

Trademarks = 5

Forward Citations = 113

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6 inventors (with patents filed for the assignee):

Georg Kempter (2 out of 5 patents)

Ernst Wiesner (2 out of 2 patents)

Walter Werner (1 out of 7 patents)

4. Wolfgang Wolber (1 out of 2 patents)

5. Otto Jagschitz (1 out of 1 patent)

6. Wilfried Wunsch (1 out of 1 patent)

7. Werner Walter (0 patent)

8 patents: Sort by Forward Citations

1. 5264999 - Light screen (1993-11-23),

2. 5250799 - Method for adapting the light intensity of the summation light to the (1993-10-05),

3. D330013 - Remote control unit for light systems (1992-10-06),

4. D319322 - Corner connector for ceiling lighting fixtures (1991-08-20),

5. 4998339 - Process for fabrication of an iron member with a winding for generation (1991-03-12),

6. 4725762 - Circuit supplied with direct voltage for generating voltages and/or (1988-02-16),

7. 4680684 - Bed reading lamp, particularly for hospital beds (1987-07-14),

8. 4143302 - Energizing circuit for a fluorescent lamp (1979-03-06),

Zumtobel Aktiengesellschaft is a leading international provider of innovative lighting solutions. The company offers a wide range of high-quality products and services for professional indoor and outdoor lighting applications. With a strong focus on sustainability and energy efficiency, Zumtobel is committed to creating lighting solutions that enhance the well-being and productivity of people while minimizing the impact on the environment.

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USPTO Data Jan 1 1976 - Dec 16 2025

8 Patents

#5 in Dornbirn

#377 in Austria

Dornbirn, Austria

Zumtobel Aktiengesellschaft