Average Co-Inventor Count = 3.00
ph-index = 1
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. The Andersons, Inc. (1 from 51 patents)
2. Rotary Drilling Services, Inc. (1 from 1 patent)
1 patent:
1. 4247403 - Method of sealing pores, and lost circulation additive therefor