Average Co-Inventor Count = 4.29
ph-index = 3
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. Novar Gmbh (2 from 15 patents)
2. Esser-effeff Alarm Gmbh (1 from 2 patents)
3 patents:
1. 7155815 - Electrical contacting method
2. 6998960 - Method and apparatus for marking an escape route
3. D478325 - Manual call point