Average Co-Inventor Count = 2.82
ph-index = 4
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 (3 from 197 patents)
2. Bergwerksverband Gmbh (1 from 231 patents)
3. Thyssen Industrie Ag (1 from 129 patents)
4 patents:
1. 4729252 - Bearing for the shaft of a machine element
2. 4704895 - Method and device for monitoring roller drilling tools
3. 4526485 - Sealed rolling element bearing
4. 4419901 - Device for measuring the axial force in a shaft journalled by roller