Average Co-Inventor Count = 2.00
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 (3 from 7,646 patents)
2. Shell Internationale Research Maatschappij, B.v. (1 from 154 patents)
4 patents:
1. 4969931 - Process for the preparation of synthesis gas
2. 4852997 - Slag water bath process
3. 4365563 - Safety device for a burner of a coal gasification plant
4. 4172708 - Process and apparatus for use with a reactor for the partial combustion