Average Co-Inventor Count = 10.00
ph-index = 4
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. Deere & Company (4 from 8,489 patents)
2. American Cyanamid (2 from 33 patents)
4 patents:
1. 5224527 - Closed granular chemical handling system
2. 5125438 - Closed granular chemical handling system
3. 5060701 - Closed granular chemical handling system
4. 5029624 - Closed granular chemical handling system