Average Co-Inventor Count = 5.14
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. Robertshaw Controls Company (2 from 877 patents)
2. Other (1 from 832,718 patents)
3 patents:
1. 6658372 - Furnace diagnostic system
2. 6554322 - Controller valve coupling
3. 6535838 - Furnace diagnostic system