Average Co-Inventor Count = 4.44
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. Praxair Technology, Inc. (1 from 1,446 patents)
2. Union Carbide Industrial Gases Technology Corporation (1 from 83 patents)
2 patents:
1. 7708028 - Fail-safe vacuum actuated valve for high pressure delivery systems
2. 5100448 - Variable density structured packing cryogenic distillation system