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. Sterling Fluid Systems (germany) Gmbh (2 from 7 patents)
2. Sihi Gmbh & Co Kg (1 from 17 patents)
3 patents:
1. 7648344 - Liquid ring pump
2. 7563075 - Liquid ring pump
3. 5800146 - Liquid-ring gas pump with a silencing element in the discharge space