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. Tecumseh Products Company (1 from 552 patents)
2. Fasco Industries, Inc. (1 from 62 patents)
2 patents:
1. D491259 - Power vent water heater blower
2. 6622660 - Blower mixing tee