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Hengelo, Netherlands

Holec Systemen Componenten B.v.

USPTO Granted Patents = 3

Forward Citations = 18

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5 inventors (with patents filed for the assignee):

Hendrik A Bosch (1 out of 5 patents)

Soedjimat F Darmohoetomo (1 out of 2 patents)

Ysbrand P Ponsioen (1 out of 4 patents)

4. Joseph H Lipperts (1 out of 7 patents)

5. Johannes A Kemper (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5166653 - Trip device for an electric switch (1992-11-24),

2. 4644442 - Three-phase isolating disconnector for use in a high-voltage switchgear (1987-02-17),

3. 4636600 - Vacuum switch provided with horseshoe-shaped elements for generating an (1987-01-13),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#8 in Hengelo

#1,637 in Netherlands

Hengelo, Netherlands

Holec Systemen Componenten B.v.

Forward Citations = 18

5 inventors:

Hendrik A Bosch (1 out of 5 patents)

Soedjimat F Darmohoetomo (1 out of 2 patents)

Ysbrand P Ponsioen (1 out of 4 patents)

4. Joseph H Lipperts (1 out of 7 patents)

5. Johannes A Kemper (1 out of 1 patent)

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