Chemineer, Inc.
16Patents
1Active
16Granted
31Portfolio score
Filing activity: Sep 13, 1976 → Nov 19, 2008 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5597236A | High/low viscosity static mixer and method | Performing Operations; Transporting | 60 | Expired |
| US4111402A | Motionless mixer | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5316443A | Reversible mixing impeller | Performing Operations; Transporting | 39 | Expired |
| US5791780A | Impeller assembly with asymmetric concave blades | Performing Operations; Transporting | 31 | Expired |
| US4314974A | Solvent extraction method using static mixers | Performing Operations; Transporting | 26 | Expired |
| US5052892A | High efficiency mixer impeller | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6883960B2 | Mixing arrangement for tanks | Performing Operations; Transporting | 15 | Expired |
| US6467949B1 | Static mixer element and method for mixing two fluids | Performing Operations; Transporting | 13 | Expired |
| US6523995B2 | In-tank mixing system and associated radial impeller | Performing Operations; Transporting | 12 | Expired |
| US8220986B2 | High efficiency mixer-impeller | Performing Operations; Transporting | 11 | Active |
| US6058793A | Parallel shaft speed reducer with sump and dry well | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4094513A | Fully cartridge agitator seal for use with glass lined mixer tanks | Performing Operations; Transporting | 9 | Expired |
| US4932787A | Steady bearing for mixers | Performing Operations; Transporting | 8 | Expired |
| US6435832B1 | Hub assembly | Performing Operations; Transporting | 7 | Expired |
| US6079864A | Horizontal flow generation system | Performing Operations; Transporting | 3 | Expired |
| US6354730B1 | Static mixer element and method for mixing two fluids | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.