Average Co-Inventor Count = 3.60
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. Willy Vogel Ag (3 from 13 patents)
3 patents:
1. 4967881 - Central lubricating installation
2. 4967882 - Central lubricating installation
3. 4556766 - Device for controlling the function of central lubrication installations