Average Co-Inventor Count = 1.71
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. Holstein & Kappert Gmbh (2 from 14 patents)
2. Holstein Und Kappert Gmbh (1 from 21 patents)
3. Holstein and Kappert Aktiengesellschaft (1 from 3 patents)
4 patents:
1. 4794959 - Filling valve for counterpressure filling machines
2. 4298039 - Revolving container processing plant
3. 4146068 - Pipeless filling unit for counterpressure bottling machines
4. 4102365 - Filling member for a counterpressure filling machine