Average Co-Inventor Count = 1.24
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. Other (4 from 832,718 patents)
2. Powertech Labs Inc. (2 from 9 patents)
3. Johnson, Robert (0 patent)
6 patents:
1. 11728579 - Grounding plate and methods of shipping and installing a grounding plate
2. 11167679 - Trailer with quick attach for skidsteer
3. 7775496 - Metal support column shipping assembly
4. 6158706 - Method of preventing separation of a vertically adjustable support
5. 4854074 - Injection capsule for treating trees
6. 4848028 - Injection tool for treating trees