Average Co-Inventor Count = 9.00
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. National Oilwell, Inc. (3 from 68 patents)
3 patents:
1. 8006751 - Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rig
2. 7546869 - Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rig
3. 7293607 - Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rig