Average Co-Inventor Count = 2.25
ph-index = 4
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. Doppler E. Doppler & Co. Gmbh (4 from 10 patents)
2. Doppler Group Gmbh (1 from 1 patent)
3. Knirps Licence Corporation Gmbh & Co. Kg (1 from 1 patent)
4. Advanced Firefighting Technology Gmbh (0 patent)
6 patents:
1. D835394 - Umbrella top
2. D803545 - Umbrella handle
3. D735467 - Umbrella handle
4. D689717 - Display stand
5. D670901 - Umbrella handle
6. D648933 - Umbrella handle