EXPORTech Company, Inc.
13Patents
2Active
13Granted
35Portfolio score
Filing activity: Sep 3, 1986 → Jan 4, 2010 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5176260A | Method of magnetic separation and apparatus therefore | Performing Operations; Transporting | 33 | Expired |
| US5868939A | Method and apparatus for breaking emulsions of immiscible liquids by magnetostatic coalescence | Performing Operations; Transporting | 20 | Expired |
| US5017283A | Method of magnetic separation and apparatus therefore | Performing Operations; Transporting | 19 | Expired |
| US5147045A | Particulate separations by electrostatic coalescence | Performing Operations; Transporting | 17 | Expired |
| US6540088B2 | Method and apparatus for sorting particles with electric and magnetic forces | Performing Operations; Transporting | 16 | Expired |
| US7360657B2 | Continuous magnetic separator and process | Performing Operations; Transporting | 9 | Expired |
| US8052875B2 | Apparatus and method for continuous separation of magnetic particles from non-magnetic fluids | Performing Operations; Transporting | 8 | Active |
| US6820829B1 | Method and apparatus for separating material | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7658854B2 | Apparatus and method for continuous separation of magnetic particles from non-magnetic fluids | Chemistry; Metallurgy | 5 | Expired |
| US7124968B2 | Method and apparatus for separating material | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4830634A | Preparation of coal substitute of low ash and sulfur | Chemistry; Metallurgy | 2 | Expired |
| US7367456B2 | Air jig for separation of minerals from coal | Performing Operations; Transporting | 2 | Expired |
| US7681736B2 | VacuMag magnetic separator and process | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.