Enter assignee name

Trademarks = 1

Forward Citations = 82

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4 inventors (with patents filed for the assignee):

Werner Erhard (5 out of 7 patents)

Leo Kiessling (3 out of 11 patents)

Marek Lajda (1 out of 1 patent)

4. Stanislaw Cichon (1 out of 3 patents)

8 patents: Sort by Forward Citations

1. 8150606 - Ignition system, easy to start for internal combustion engines (2012-04-03),

2. 8032292 - Electrical ignition method for internal combustion engines (2011-10-04),

3. 7156075 - Ignition method with stop switch for internal-combustion engines (2007-01-02),

4. 5138995 - Ignition process, arrangement and apparatus for internal combustion (1992-08-18),

5. 5069193 - Ignition process, arangement and apparatus for internal combustion (1991-12-03),

6. 5050553 - Capacitor ignition system (1991-09-24),

7. 5046468 - Method and system with inductive rotary emitter for the control (1991-09-10),

8. 4722311 - Capacitor ignition apparatus (1988-02-02),

Prufrex-elektro-apparatebau is a manufacturer of innovative electrical appliances founded by Helga Muller. Operating out of Dutschke, the company specializes in producing high-quality and reliable electrical equipment for various industries.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

8 Patents

#2 in Cadolzburg

#4,374 in Germany

Cadolzburg, Germany

Prufrex-Elektro-Apparatebau, Inh. Helga Muller, Geb Dutschke

Forward Citations = 82

4 inventors:

Werner Erhard (5 out of 7 patents)

Leo Kiessling (3 out of 11 patents)

Marek Lajda (1 out of 1 patent)

4. Stanislaw Cichon (1 out of 3 patents)

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