Average Co-Inventor Count = 2.77
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. Wagner Spray Tech Corporation (1 from 298 patents)
2. Minntech Corporation (1 from 55 patents)
3. Recovery Engineering, Inc. (1 from 23 patents)
3 patents:
1. 5709794 - Low-cost portable water filter
2. 5041220 - Hollow fiber filter cartridge for a standarized housing
3. 4723564 - Apparatus for cleaning exterior and interior of a paint dispensing roller