Average Co-Inventor Count = 1.60
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. Pony Industries, Inc. (2 from 17 patents)
2. Other (1 from 832,761 patents)
3. Great Lakes Research Corp. (1 from 1 patent)
4 patents:
1. 4812244 - Well drilling fluids and process for drilling wells
2. 4740318 - Well drilling fluids and process for drilling wells
3. 4728445 - Well drilling fluids and process for drilling wells
4. 4721576 - Well drilling fluids and process for drilling wells