Average Co-Inventor Count = 1.50
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. United States Pipe and Foundry Company, LLC (2 from 55 patents)
2. Other (1 from 832,812 patents)
3 patents:
1. 5237955 - Flag display device
2. 4832084 - Dual graphite structured pipe
3. 4791976 - Method of making dual graphite structured pipe