Average Co-Inventor Count = 5.89
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. Spx Corporation (2 from 614 patents)
2. R.w. Beckett Corporation (1 from 31 patents)
3 patents:
1. D549808 - Cover for a burner
2. D540938 - Igniter cover
3. D533648 - Boiler