Average Co-Inventor Count = 2.10
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. Other (7 from 832,891 patents)
7 patents:
1. 5653271 - Oil and oil filter collection and recycle apparatus
2. 5647414 - Curbside oil and oil filter recycle and collection apparatus and method
3. 5349901 - Apparatus for the treatment of oil filters for low contaminant recycle
4. 5321877 - Method and apparatus for cutting oil-filter canisters
5. 5297332 - Oil filter disassembly and recycling apparatus
6. 5245739 - Oil filter disassembly method
7. 5182842 - Oil filter disassembly and recycling apparatus