Average Co-Inventor Count = 2.86
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. Shell Oil Comapny (2 from 7,646 patents)
2 patents:
1. 5287915 - Heat exchanger and method for removing deposits from inner surfaces
2. 4384802 - Double I-beam structural joint for connecting fiber-reinforced plastic