Average Co-Inventor Count = 3.00
ph-index = 2
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.
Company Filing History:
1. Zierer Karussell-und Spezialmaschinenbau Gmbh (2 from 2 patents)
2 patents:
1. 8943975 - Roller coaster ride element with movement in a second driving direction
2. 7677671 - Passenger restraint apparatus for funfair rides