Average Co-Inventor Count = 3.13
ph-index = 5
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. Bp Corporation North America Inc. (1 from 494 patents)
3. Standand Oil Company (1 from 1 patent)
6 patents:
1. 7557255 - Method and an unleaded low emission gasoline for fueling an automotive engine with reduced emissions
2. 4405547 - Method of coextruding diverse materials
3. 4336012 - Coextrusion device
4. 4206300 - Method for improving color and impact strength of nitrile polymers
5. 4128383 - Apparatus for controlling plastic material distribution in manufacture
6. 4059380 - Deep-draw thermoforming of thermoplastic sheet