Average Co-Inventor Count = 3.13
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. Hydraulik-ring Gmbh (4 from 90 patents)
2. Other (1 from 832,843 patents)
3. Dr. Ing. H.c. F. Porsche Aktiengesellschaft (1 from 4,057 patents)
6 patents:
1. 7278385 - Camshaft adjuster with a locking position that, with regard to design, is freely selectable
2. 7275476 - Oscillating motor for a camshaft adjusting device
3. 7117832 - Device for adjusting a camshaft of an internal combustion engine of a motor vehicle
4. 6722327 - Device and method for changing the relative rotational angle of a camshaft
5. 6584944 - Apparatus for relative angular adjustment of a crankshaft of a combustion engine with respect to a driving wheel and methods of making and operating same
6. 6454544 - Pump for conveying fuel in an internal combustion engine