Average Co-Inventor Count = 4.61
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. Airbus Deutschland Gmbh (3 from 577 patents)
2. Johannes Lübbering Gmbh (4 patents)
3. Ceratizit Balzheim Gmbh & Co. Kg (2 patents)
4. Klenk Gmbh & Co. Kg (0 patent)
3 patents:
1. 8684639 - Device for limiting the advance during a drilling operation
2. 8118520 - Drilling device with displacement dependent spring and/or damper
3. 7347651 - Drilling device