Average Co-Inventor Count = 1.30
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. Sperry Corporation (4 from 1,032 patents)
2. Sperry Rand Corporation (1 from 628 patents)
5 patents:
1. 4291523 - Row crop apparatus
2. 4282803 - Twine wrapper for round bale forming machine
3. 4282804 - Twine wrapper for round bale forming machine
4. 4261161 - Agricultural machinery protective system
5. 3949761 - Concave adjusting means for combine