Average Co-Inventor Count = 1.88
ph-index = 3
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. Other (2 from 832,680 patents)
2. Schottel-werft Josef Becker Gmbh & Co Kg (1 from 17 patents)
3. Schottel Gmbh & Co. Kg (1 from 2 patents)
4. Schottel Gmbh (7 patents)
4 patents:
1. 6899576 - Twin-propeller drive for watercraft
2. 6485339 - Electric motor pod drive system for a vessel with a cooling device
3. 5836795 - Watercraft drive with a rudder propeller
4. 5435762 - Drive unit for watercraft