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Roermond, Netherlands

Petrus Joseph Hubertus Clerx

Average Co-Inventor Count = 1.71

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 59

Petrus Joseph Hubertus ClerxJoop Roodenburg (3 patents)Petrus Joseph Hubertus ClerxChristiaan Wilhelmus Peeters (1 patent)Petrus Joseph Hubertus ClerxChristiaan Wilhelmus Preters (1 patent)Petrus Joseph Hubertus ClerxPetrus Joseph Hubertus Clerx (6 patents)Joop RoodenburgJoop Roodenburg (216 patents)Christiaan Wilhelmus PeetersChristiaan Wilhelmus Peeters (1 patent)Christiaan Wilhelmus PretersChristiaan Wilhelmus Preters (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Vekoma Rides Engineering B.v. (3 from 16 patents)

2. Vekoma Technology B.v. (3 from 3 patents)


6 patents:

1. 8453576 - Rollercoaster amusement device

2. 8375863 - Amusement ride installation

3. 6941872 - Amusement device

4. 6733398 - Amusement device

5. 6513441 - Amusement devices as well as a holder suitable for such amusement devices

6. 6405655 - Amusement device

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as of
12/15/2025
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