Average Co-Inventor Count = 4.00
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. The Lemna Corporation (4 from 15 patents)
2. The Lemma Corporation (1 from 1 patent)
5 patents:
1. 5409601 - Floating aquatic plant treatment system
2. 5342512 - Floating aquatic plant treatment system with porous system
3. 5264127 - Floating aquatic plant water treatment system with sprayer system
4. 5180501 - Floating aquatic plant water treatment system
5. 5096577 - Floating aquatic plant water treatment system