Average Co-Inventor Count = 1.60
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. The Kelch Corporation (4 from 16 patents)
4 patents:
1. 4970896 - Float activated gauge
2. 4922954 - Bi-directional pressure relief vent for a fuel tank
3. 4905863 - Vent for portable gas tank or the like
4. 4838083 - Float activated gauge