Average Co-Inventor Count = 4.00
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. Air Products and Chemicals, Inc. (2 from 3,186 patents)
2. Ergenics Corporation (2 from 28 patents)
2 patents:
1. 4687650 - Methods of extracting hydrogen from a gas
2. 4589919 - Metal bound and ballasted hydridable pellets