Average Co-Inventor Count = 2.00
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. Johnson Screens, Inc. (4 from 14 patents)
2. Other (1 from 832,718 patents)
5 patents:
1. 7699360 - Water well casing
2. 7470383 - Submersible pump drop pipe and casing assembly connection and method of manufacture
3. 7425024 - Submersible pump drop pipe and casing assembly connection and method of manufacture
4. 7261326 - Submersible pump drop pipe and casing assembly connection and method of manufacture
5. 7249789 - Water well casing