Average Co-Inventor Count = 2.67
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. Blitz U.s.a., Inc. (4 from 50 patents)
4 patents:
1. D615111 - Oil drain container
2. D608520 - Riding mower ramp
3. D555439 - Funnel
4. D554230 - Oil recycling can