Average Co-Inventor Count = 4.00
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. Carl Hurth, Maschinen- Und Zahnradfabrik (2 from 33 patents)
2 patents:
1. 4216737 - Lift control device for propeller drive systems on watercrafts
2. 4137862 - Lift control device for propeller drive systems on watercrafts