Average Co-Inventor Count = 4.05
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. Tannas Company (5 from 36 patents)
5 patents:
1. 5824886 - Foam tester
2. 5660362 - Pivoting leveling stand
3. 5503002 - Sensitive rotating viscometer instrument
4. D367824 - Sensitive rotating viscometer instrument with a staggered multiple head
5. D367016 - Sensitive rotating viscometer instrument with a winged multiple head