Average Co-Inventor Count = 2.57
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. (3 from 3,189 patents)
3 patents:
1. 9822930 - Protection structure for gas cylinder and valve replacement
2. 9709188 - Apparatus for regulation of the pressure of a gas
3. 7458807 - Gas heater, a gas supply apparatus and a method of providing gas