Average Co-Inventor Count = 1.00
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. The Standard Oil Company (4 from 1,192 patents)
2. Gulf & Western Manufacturing Company (1 from 144 patents)
3. Gulf + Western Industries (1 from 40 patents)
6 patents:
1. 4670058 - Coal-aqueous mixtures
2. 4551179 - Coal-aqueous mixtures
3. 4488881 - Coal-aqueous mixtures having a particular coal particle size distribution
4. 4478603 - Coal-aqueous mixtures comprising nonionic and anionic surfactants
5. 4441889 - Coal-aqueous mixtures
6. 4358293 - Coal-aqueous mixtures