Average Co-Inventor Count = 2.40
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. The British Petroleum Company, P.l.c. (1 from 558 patents)
2. Conoco Specialty Products Inc. (1 from 30 patents)
3. B.w.n. Vortoil Rights Co. Pty. Ltd. (1 from 5 patents)
2 patents:
1. 5017288 - Cyclone separator
2. 4749490 - Cyclone separator