Average Co-Inventor Count = 2.68
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. Alfred Kaercher Gmbh & Co. Kg (3 from 212 patents)
2. Alfred Kärcher Se Co. Kg (1 from 51 patents)
3. Alfred Kärcher Gmbh Co. Kg (1 from 43 patents)
5 patents:
1. 11517161 - Cleaning machine with roller housing
2. 8826491 - Vacuum cleaning appliance
3. 8091169 - Mobile floor-cleaning appliance
4. 7578026 - Vacuum cleaner
5. 7155773 - Cleaning head for floor cleaning device