Average Co-Inventor Count = 2.73
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. Shell Oil Comapny (5 from 7,646 patents)
5 patents:
1. 5120568 - Method for plasma surface treating and preparation of membrane layers
2. 5053243 - Preparation of adsorbent layers
3. 4957062 - Apparatus for plasma surface treating and preparation of membrane layers
4. 4591367 - Horizontal gas/liquid separator
5. 4349360 - Fluid treating column and apparatus for treating mixtures of liquid and