Average Co-Inventor Count = 2.40
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. Carl Freudenberg Kg (2 from 508 patents)
2. Carl Frendenberg Kg (2 from 3 patents)
4 patents:
1. 9615652 - Broom head with bristle structure
2. 9375076 - Broom head
3. D698111 - Broom head
4. D697280 - Broom head