Average Co-Inventor Count = 2.00
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. Gas Technology Institute (1 from 271 patents)
2. Washington Gas Light Company (1 from 5 patents)
1 patent:
1. 10189059 - Devices for cross bore safeguard during sewer system cleanouts