Average Co-Inventor Count = 2.77
ph-index = 2
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 Dow Chemical Company (2 from 7,680 patents)
2. Crane Company (1 from 171 patents)
3 patents:
1. 5954371 - Plastic lined fittings for use with flangeless piping systems
2. 5277951 - Marking of lined pipe segments, fittings, or valves
3. 4743642 - Color balanced rubber-reinforced plastic