Average Co-Inventor Count = 2.40
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. Imperial Chemical Industries Limited (5 from 3,840 patents)
5 patents:
1. 4793154 - Centrifugal heat pump
2. 4656839 - Heat pumps
3. 4553408 - Centrifugal heat pump
4. 4256551 - Electrolytic process
5. 3930403 - Piston assembly