Average Co-Inventor Count = 2.00
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. Lever Brothers Company (4 from 1,003 patents)
4 patents:
1. 4260054 - Laundry additive pouch
2. 4133754 - Water purification device
3. 4039444 - Water purification device
4. 4026131 - Laundry additive dispenser