SWECO INC.
25Patents
0Active
25Granted
33Portfolio score
Filing activity: Apr 18, 1975 → Mar 6, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4582597A | Vibratory screen separator | Performing Operations; Transporting | 81 | Expired |
| US5265730A | Vibratory screen separator | Performing Operations; Transporting | 60 | Expired |
| US4968366A | Method of manufacture of tension screens | Performing Operations; Transporting | 41 | Expired |
| US4568455A | Screening device | Performing Operations; Transporting | 35 | Expired |
| US4613432A | Pulp screen | Performing Operations; Transporting | 35 | Expired |
| US5226546A | Circular vibratory screen separator | Performing Operations; Transporting | 33 | Expired |
| US5051171A | Self-cleaning system for vibratory screens | Performing Operations; Transporting | 29 | Expired |
| US5456365A | Vibratory screen separator | Performing Operations; Transporting | 27 | Expired |
| US5032210A | Apparatus for the manufacture of tension screens | Performing Operations; Transporting | 21 | Expired |
| US5134893A | Adjustable counterweight assembly | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4042181A | Lead angle controlling mechanism | Performing Operations; Transporting | 16 | Expired |
| US4810372A | Dry material separator | Performing Operations; Transporting | 15 | Expired |
| US5542548A | Fine mesh screening | Performing Operations; Transporting | 15 | Expired |
| US3959124A | Method and apparatus for the activated sludge treatment of wastewater | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5398816A | Fine mesh screening | Performing Operations; Transporting | 13 | Expired |
| US4130478A | Bowl shaped screening apparatus | Performing Operations; Transporting | 13 | Expired |
| US5431287A | Separator screen feeder | Performing Operations; Transporting | 11 | Expired |
| US5915566A | Fine mesh screening | Performing Operations; Transporting | 10 | Expired |
| US5271504A | Sifter and method of sifting | Performing Operations; Transporting | 9 | Expired |
| US5242058A | Separator screen tie-down | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4411673A | Method and apparatus for degassing liquids | Performing Operations; Transporting | 7 | Expired |
| US5485924A | Centrifugal sifter and elements thereof | Performing Operations; Transporting | 7 | Expired |
| US3943668A | Vibratory mill structure | Performing Operations; Transporting | 4 | Expired |
| US4364275A | Method and apparatus for measuring phase angles of oscillatory motion of vibratory machinery | Physics | 4 | Expired |
| USD256111S | Ski vehicle | General | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.