CUNO Incorporated
127Patents
0Active
127Granted
44Portfolio score
Filing activity: Dec 29, 1983 → Feb 4, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5059654A | Affinity matrices of modified polysaccharide supports | Physics | 422 | Expired |
| US4915831A | Filter assembly featuring displaceable filter head plunger for locking into filter cartridge detent | Emerging Cross-Sectional Technologies | 183 | Expired |
| US4735716A | Quick-change filter cartridge and head therefor | Chemistry; Metallurgy | 170 | Expired |
| US4724207A | Modified siliceous chromatographic supports | Performing Operations; Transporting | 156 | Expired |
| US6458269B1 | Keyed filter assembly | Emerging Cross-Sectional Technologies | 146 | Expired |
| US4877521A | Quick-change filter cartridge and head therefor | Chemistry; Metallurgy | 126 | Expired |
| US4888115A | Cross-flow filtration | Performing Operations; Transporting | 105 | Expired |
| US4801375A | Water vending system | Physics | 101 | Expired |
| US4707265A | Reinforced microporous membrane | Performing Operations; Transporting | 91 | Expired |
| US4806240A | Adapter and cartridge assembly | Emerging Cross-Sectional Technologies | 87 | Expired |
| US4948505A | Quick-change filter cartridge and head therefor | Chemistry; Metallurgy | 87 | Expired |
| US5919360A | Additive dispensing apparatus | Performing Operations; Transporting | 84 | Expired |
| USD322836S | Top cap of a quick-change filter cartridge | General | 83 | Expired |
| US6325929A | Replacement filter cartridge for water filtering system | Chemistry; Metallurgy | 80 | Expired |
| US6264044A | Reinforced, three zone microporous membrane | Performing Operations; Transporting | 80 | Expired |
| US5019601A | Elastomeric composition containing therapeutic agents and articles manufactured therefrom | Chemistry; Metallurgy | 74 | Expired |
| US6949189B2 | Keyed filter assembly | Chemistry; Metallurgy | 71 | Expired |
| US6413070B1 | System for manufacturing reinforced three-zone microporous membrane | Textiles; Paper | 68 | Expired |
| US5928588A | Porous filter structure and process for the manufacture thereof | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4639513A | Intravenously injectable immunoglobulin G (IGG) and method for producing same | Emerging Cross-Sectional Technologies | 63 | Expired |
| US4769052A | Compact filter assembly | Performing Operations; Transporting | 62 | Expired |
| US4929354A | Filter element having microporous membrane | Performing Operations; Transporting | 58 | Expired |
| US4915839A | Process for surface modifying a microporous membrane | Performing Operations; Transporting | 56 | Expired |
| US4673504A | Charge modified microporous membrane | Performing Operations; Transporting | 55 | Expired |
| US6056529A | Systems for producing a plurality of different microporous phase inversion membrane each having any one of a plurality of different pore sizes from a single master dope batch | Performing Operations; Transporting | 55 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.