Average Co-Inventor Count = 1.33
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. Walter Hanke Mechanische Werkstatten Gmbh & Co. Kg (2 from 8 patents)
2. Walter Hanke Mechanische Werstätten Gmbh & Co. Kg (1 from 1 patent)
3. Walter Hanke Mechanische Werkstätten Gmbh & Co. Kg (1 from 1 patent)
4 patents:
1. 7614544 - Intermediate cash box
2. 7516830 - Coin distributor
3. 6644456 - Electronic coin checker
4. 6615969 - Mechanical coin checker