Average Co-Inventor Count = 1.60
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. Klockner-humboldt-deutz Ag (1 from 433 patents)
2. Ruhrkohle Ag (1 from 69 patents)
2 patents:
1. 5740920 - Jigging screen device with pneumatic valve control
2. 4832835 - Air pillow in the air chambers of a bottom pulsed jigging machine