Average Co-Inventor Count = 2.67
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. Sibley Industries, Inc. (4 from 5 patents)
2. Lincoln Brass Works, Inc. (1 from 26 patents)
4 patents:
1. 5950615 - Poultry house heater
2. 5857656 - Livestock or poultry house heater suspension system
3. D374716 - Burner pilot assembly
4. D374717 - Horizontal pilot assembly