| Patents for B07B 13 - Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices (4,324) |
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| 09/20/1977 | US4049124 Sorting machine for elongated articles |
| 08/30/1977 | US4044956 Screening, wet process magnetic separation |
| 08/23/1977 | US4043443 Fruit sub-sampler and grading table |
| 08/02/1977 | US4039081 Method and apparatus for sizing and distributing produce |
| 06/28/1977 | US4032436 Particles sizing |
| 06/28/1977 | US4031903 Winnowing of tobacco |
| 05/24/1977 | US4024955 Automatic sorter for fruits and the like |
| 05/10/1977 | US4022638 Continuous recovery of base metal from insulated wire scrap |
| 05/03/1977 | US4021024 Perforated baffle-impeller and process of concentrating dense masses |
| 03/01/1977 | US4010095 Hydrodynamic method for separation of solid bodies or crystals |
| 03/01/1977 | US4009783 Friction separator |
| 01/18/1977 | US4003831 Vibration screen |
| 12/21/1976 | US3998330 Sizing apparatus |
| 12/14/1976 | US3997058 Capsule inspection machine |
| 10/05/1976 | US3984306 Pinched sluice separators |
| 09/28/1976 | US3982632 Thermoplastic injection runner transfer system |
| 09/07/1976 | US3978986 Process and apparatus for separating aspherical particles from spherical particles |
| 08/31/1976 | US3977525 Mechanical removal of flat pod rogues from snap bean seed |
| 08/03/1976 | US3972118 Culinary articles and apparatus for retrieving and/or sorting the same |
| 07/13/1976 | US3969224 Method and apparatus for separating particulate material |
| 06/29/1976 | US3966593 Process and an apparatus for purifying a stream of mechanically comminuted material as well as for enriching fine ores and other minerals by mechanical sorting |
| 05/11/1976 | US3955606 Loading containers with powder |
| 03/23/1976 | US3945915 Method of and apparatus for assorting particles according to the physical characteristics thereof |
| 03/23/1976 | US3945489 Article-orienting conveyor |