Average Co-Inventor Count = 2.25
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. Hauni-werke Korber & Co Kg. (3 from 339 patents)
3 patents:
1. 4227757 - Safe for storage of paper money and other valuables
2. 3996890 - Apparatus for forming and transferring thin liquid layers
3. 3952865 - Transfer apparatus for cigarettes or the like