Average Co-Inventor Count = 2.00
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. The Viking Corporation (2 from 130 patents)
2 patents:
1. D251128 - Sprinkler head
2. 4136740 - Large drop sprinkler head for high heat output fires