Average Co-Inventor Count = 3.33
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. Google Inc. (4 from 32,513 patents)
2. American Piledriving Equipment, Inc. (4 from 59 patents)
3. Vision Rt Limited (46 patents)
8 patents:
1. 12129623 - Segmented ram systems and methods for hydraulic impact hammers
2. 11499285 - Grout plug systems and methods for placing piles
3. 11332906 - Grout plug systems and methods for placing piles
4. 11240498 - Independently coding frame areas
5. 10616576 - Error recovery using alternate reference frame
6. 9371624 - Accessory connection systems and methods for use with helical piledriving systems
7. 8942290 - Dynamic coefficient reordering
8. 8824553 - Video compression method