Average Co-Inventor Count = 1.00
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. Vorwerk Elektrowerke Stiftung & Co. Kg (2 from 4 patents)
2. Vorwerk Electrowerke Stiftung & Co. Kg (1 from 1 patent)
3 patents:
1. D405570 - Telescopic nozzle for a vacuum cleaner
2. D404858 - Vacuum nozzle
3. D400325 - Bent soft brush nozzle