Average Co-Inventor Count = 2.90
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. Skf Kugellagerfabriken Gmbh (2 from 197 patents)
2. Skf Gmbh, Schweinfurt (1 from 6 patents)
3 patents:
1. 4729252 - Bearing for the shaft of a machine element
2. 4666386 - Rotary pump
3. 4135771 - Spherical end bearing having two or more zones of hydrodynamically