Average Co-Inventor Count = 2.00
ph-index = 1
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. The Johnson Corporation (1 from 22 patents)
2. Maschinenfabrik Friese Gmbh & Co. Kg. (1 from 1 patent)
1 patent:
1. 5533569 - Stationary syphon system for rotating heat exchanger rolls