Average Co-Inventor Count = 3.22
ph-index = 8
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. Perry Equipment Corporation (6 from 25 patents)
2. Other (1 from 832,812 patents)
3. Perry Equipment Co. (1 from 1 patent)
8 patents:
1. 6439415 - Closure for an equipment sub
2. 6173735 - Method and apparatus for regulating gas flow
3. 6168647 - Multi-stage vessel and separator/coalescer filter element
4. 5919284 - Gas filter separator coalescer and multi-stage vessel
5. 5893956 - Method of making a filter element
6. 5827430 - Coreless and spirally wound non-woven filter element
7. 4247313 - Gas-particulate separator with pulse-jet cleanable filter elements
8. 4180391 - Gas particulate separator with scavenging gas separation device