| 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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| 02/17/1981 | US4251354 Screening machine |
| 02/17/1981 | US4251353 Method of treating refuse to separate valuable constituents |
| 02/10/1981 | US4249660 Potato sorting apparatus |
| 02/03/1981 | CA1094985A1 Automatic control apparatus for a grain separator |
| 01/14/1981 | EP0022275A1 Sorting apparatus for grading piece goods |
| 01/13/1981 | CA1093495A1 Article handling apparatus |
| 12/23/1980 | US4240903 Method of reverse stratification |
| 12/16/1980 | US4239120 Device for the bunkering and assorted feeding of small parts |
| 11/26/1980 | EP0019434A1 A screening apparatus |
| 11/25/1980 | CA1090294A1 Roller screen separator for plate shaped minerals |
| 11/25/1980 | CA1090185A1 Equipment for removing the residual bark in decorticating facilities |
| 11/18/1980 | US4234416 Feed stream splitter for multiple deck screening machine |
| 11/04/1980 | US4231687 Apparatus for separating individual assembly parts from a coherent mass and for orienting the individual parts |
| 11/04/1980 | US4231478 Bulk sorting of particulate material |
| 09/30/1980 | CA1086506A1 Continuous recovery of base metal from insulated wire scrap |
| 09/18/1980 | WO1980001885A1 Process for sorting grain or seed material and sorting plant |
| 09/17/1980 | EP0015633A1 Method and apparatus for grading grains or seeds |
| 09/09/1980 | US4221035 Apparatus for removal of plastic overwrap from reclaim tobacco |
| 09/09/1980 | CA1085348A1 Angularly disposed blades for a cylindrical suspension classifier |
| 08/19/1980 | CA1083999A1 Rotating cylinder entanglement type grain separator |
| 08/12/1980 | US4216865 Whole fruit size grader |
| 08/07/1980 | WO1980001543A1 Control device for displacement of separator wall of grain classifier |
| 07/22/1980 | US4213533 Automatic machine for in particular calibrating fruit and vegetables |
| 06/17/1980 | US4208274 Rotary cylinder type grain separator |
| 06/17/1980 | US4207987 Apparatus and method for spiral separation of materials |
| 06/17/1980 | US4207986 Apparatus for separating plastic film from paper particularly adapted for use in waste recycling systems |
| 06/03/1980 | US4206046 Process and apparatus for separating particles by relative density |
| 06/03/1980 | CA1078786A1 Capsule distributor and sorter with stagnation adjustors |
| 05/27/1980 | US4204951 Apparatus for sorting capsules and the like |
| 04/22/1980 | US4199066 Equipment for removing the residual bark in decorticating facilities |
| 04/16/1980 | EP0009876A1 Capsule sorting apparatus |
| 04/01/1980 | US4195735 Rebound sorting device generally for trout and fish eggs |
| 03/19/1980 | EP0008983A2 Scales with a clear tilting point for continuous sorting according to weight |
| 03/18/1980 | US4193865 Classifying apparatus for a suspension |
| 03/18/1980 | CA1073683A1 Agricultural sorting and packing apparatus |
| 03/06/1980 | WO1980000316A1 Automatic control apparatus for oscillating-type grain sorting machine |
| 03/04/1980 | US4191199 Apparatus and process for reclaiming tobacco |
| 02/26/1980 | US4190526 Portable screening plant |
| 02/12/1980 | US4187946 Worm harvester |
| 02/07/1980 | WO1980000132A1 Automatic control apparatus for grain sorting machine |
| 02/06/1980 | EP0007899A1 Process and apparatus for separating particles by relative density |
| 01/29/1980 | US4185746 Particulate size separator and method of operating |
| 01/08/1980 | US4182673 Dust precutter and method |
| 01/01/1980 | US4181603 Capsule sorting apparatus |
| 12/18/1979 | US4179363 Separates shelled grain from unshelled grain |
| 12/04/1979 | US4176750 Sorting system and apparatus |
| 10/30/1979 | US4172527 Bearing sorting device |
| 10/23/1979 | US4171747 Heads on shrimp sorter |
| 10/23/1979 | CA1064864A1 Open spiral molded parts separator |
| 09/25/1979 | US4168915 Rotary drum |
| 09/19/1979 | EP0004076A1 Apparatus and method for spiral separation of materials |
| 08/21/1979 | CA1060867A1 Mechanical separation process for solid urban refuse following thermal degradation or for similar industrial rejects |
| 07/24/1979 | US4162012 Device for assorting inadequately wound coils |
| 07/24/1979 | US4162011 Apparatus for sorting fruits and vegetables |
| 06/26/1979 | CA1057228A1 Machine having the purpose of tearing bags containing city solid wastes and of picking-out from the same the plastic films and also the rags |
| 06/14/1979 | WO1979000321A1 Process and apparatus for separating particles by relative density |
| 05/29/1979 | CA1055428A Underwater fish grader encompassing a fish net and grading barrier |
| 05/22/1979 | US4155456 Independent produce sorter for installation on a produce harvester |
| 05/01/1979 | US4152254 Disk centrifuge for granular material |
| 04/17/1979 | US4149637 Apparatus for size-grading objects |
| 04/10/1979 | US4148725 Process and apparatus for separating particles by relative density |
| 04/05/1979 | WO1979000168A1 An arrangement in separators for separating chopped harvest material |
| 04/04/1979 | EP0001314A1 Device for concentrating and sorting solid refuse according to shape, size and pliability |
| 04/03/1979 | US4147256 Worm harvesting apparatus and method |
| 03/27/1979 | US4146137 Adjustable unit for spiral separator |
| 03/27/1979 | CA1051382A1 Endless belt rolling inclined seed separator |
| 03/13/1979 | US4143769 Apparatus for sorting and separating discrete articles |
| 02/27/1979 | US4141450 Method and apparatus for sorting mixtures of materials by ballistic effect and differential adherence |
| 02/20/1979 | US4140250 Apparatus for separating and dispensing small, rigid, elongate articles |
| 02/06/1979 | US4138018 Apparatus and method for sorting substrates |
| 02/06/1979 | US4138017 Device for selecting and removing unsatisfactory capsules before filling satisfactory capsules with chemicals |
| 12/26/1978 | US4131201 Continuous belt aggregate separator |
| 11/28/1978 | US4127193 Carrot sorting apparatus |
| 11/21/1978 | US4126541 Apparatus and method for refining asbestos dispersions |
| 11/07/1978 | CA1041947A1 Separation process and apparatus through projection and differential adhesion |
| 10/10/1978 | US4119453 Making into spheroidal pellets |
| 10/03/1978 | US4118309 Spherically-shaped solids; inclined surface |
| 09/26/1978 | US4116339 Sorting system and apparatus |
| 09/19/1978 | US4114762 Worm harvesting |
| 09/12/1978 | US4113610 Harvesting combine |
| 08/29/1978 | US4110195 Apparatus and process for extracting oil or bitumen from tar sands |
| 08/22/1978 | US4108187 Automatic sorter for pieces of money or similar objects as a function of their diameter |
| 08/08/1978 | US4105124 Inclined conveyor belt solids separating system with responsive gas control |
| 07/18/1978 | US4101035 Conveyor belt solids separator with combined scraper and gas jet control |
| 07/11/1978 | US4099622 Inclined conveyor belt solids separation system |
| 06/13/1978 | US4094772 Method of and apparatus for sorting light refuse fractions |
| 05/16/1978 | US4089421 Method and structure for automatically separating unwanted materials from machine harvested tomatoes |
| 04/18/1978 | US4084697 Sizer for fruit and other agricultural products |
| 03/14/1978 | US4078663 Method and apparatus for separating seeds |
| 03/07/1978 | US4077871 Differential heating |
| 02/28/1978 | US4076124 Mechanical earthworm harvester |
| 02/21/1978 | US4075088 Apparatus for grading objects according to size |
| 02/21/1978 | US4075087 Continuous grader for fruits or the like |
| 01/17/1978 | US4068759 Conoidal solids separator with special scraper and separating method |
| 01/17/1978 | US4068758 Feed system for a conoidal solids separating system and method of separating |
| 01/10/1978 | US4067506 Machine for tearing waste bags and separating out plastic film bag material |
| 11/22/1977 | US4059189 Classification of particles |
| 10/04/1977 | US4052518 Method for separating seed cover from endosperm of grain of various cereal crops |
| 09/20/1977 | US4049544 Vibrating a carbon block, rotation, scraping |
| 09/20/1977 | US4049201 Mechanical separation of substances |