Average Co-Inventor Count = 8.00
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. National Oilwell, Inc. (3 from 68 patents)
2. Varco I/p, Inc. (1 from 191 patents)
3. National Oilwell Varco, L.p. (572 patents)
4 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. 7505871 - Diagnosis and troubleshooting for above-ground well systems
4. 7293607 - Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rig