Average Co-Inventor Count = 2.67
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 7,645 patents)
2. Pennzoil-quaker State Company (2 from 13 patents)
4 patents:
1. 9434900 - Liquid fuel compositions
2. 7268180 - Surface tinting composition and method of use
3. 6492436 - Tire sealer and inflating composition and method of use
4. 6489393 - Surface tinting composition and method of use