Average Co-Inventor Count = 1.33
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. Rule Industries, Inc. (2 from 28 patents)
2 patents:
1. 4013383 - Vertical shaft impeller pump apparatus
2. 3950886 - Insect electrocution device