Average Co-Inventor Count = 2.67
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. (1 from 3,192 patents)
2. British Technology Group Limited (1 from 328 patents)
2 patents:
1. 7673857 - Structured packing and use thereof
2. 5632962 - Process vessel