Average Co-Inventor Count = 1.00
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. Other (1 from 832,812 patents)
2. Valco Instruments Company, Inc. (1 from 33 patents)
2 patents:
1. 6322750 - Gas detector indicator strip providing enhanced dynamic range
2. 6030436 - Permeation tube for delivering fluid at a constant flow rate independent