Average Co-Inventor Count = 1.14
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. Ritchie Industries, Inc. (4 from 16 patents)
4 patents:
1. 6668754 - Nipple valve waterer
2. D466586 - Nipple valve
3. 5709170 - Animal alignment guide for a nipple valve waterer
4. 5603286 - Animal alignment guide for a nipple valve waterer