Average Co-Inventor Count = 2.40
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. Sielaff Gmbh & Co. (2 from 5 patents)
2. Sielaff Gmbh & Co. Automatenbau Herrieden (1 from 6 patents)
3. Sielaff Gmbh & Co. Kg Automatenbau (3 patents)
3 patents:
1. 5996838 - Vending machine
2. 4768680 - Dispensing unit for vending machines
3. 4441628 - Trap door chute for vending machines