| Patents for B07B 1 - Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like (18,540) |
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| 04/28/1992 | US5108588 Structure of vibro separator |
| 04/21/1992 | US5106490 Mobile material screening apparatus |
| 04/21/1992 | CA1299139C Disc screen classifier |
| 04/16/1992 | WO1992006250A1 Improvements in or related to cleaning aggregate materials |
| 04/15/1992 | EP0480508A1 Method and device for treating waste |
| 04/15/1992 | CN1060235A Striped comb screen and its screening method |
| 04/15/1992 | CN1060234A Cap-shape stop-free screen |
| 04/14/1992 | US5104521 Modular tensioned screen surfaces |
| 04/08/1992 | EP0479343A2 Production of improved catalyst-type particles using density grading |
| 04/08/1992 | EP0479203A1 Pulper for paper making |
| 04/04/1992 | WO1992005881A1 Bar screen having a reciprocating action |
| 04/04/1992 | CA2093342A1 Bar screen having a reciprocating action |
| 04/01/1992 | CN2100258U New-type simplex high-efficient vibrating undersize sieve |
| 03/31/1992 | US5100539 Dual-screen particle sizing apparatus and method |
| 03/31/1992 | US5100066 Method for processing domestic, industrial and other similar waste with the production of a cellulose material |
| 03/25/1992 | EP0371052B1 Split flow ''v'' screen |
| 03/24/1992 | US5097610 Compact padding machine |
| 03/19/1992 | WO1992004135A1 Method and device for screening earth, gravel and the like |
| 03/18/1992 | EP0327564B1 Vertical screening device |
| 03/18/1992 | CN2098972U Vibration screen for light fine particles |
| 03/11/1992 | CN1059298A Process of extracting special-purpose flour from wheat for use in deep-fry |
| 03/10/1992 | US5094360 Screen basket |
| 03/05/1992 | DE4127270A1 Appts. for classifying tobacco particles |
| 03/05/1992 | DE4027111A1 Drum or flat sieve - has adjuster sifting efficiency via displaceable perforated drums or plates which vary screen hole size |
| 02/26/1992 | EP0471873A1 Coating device with sieving means |
| 02/26/1992 | CN1058925A Solid material screening apparatus |
| 02/25/1992 | US5090721 Process for manufacturing a screen basket and screen basket made by this process |
| 02/24/1992 | CA2047820A1 Separating device |
| 02/19/1992 | CN2096424U Folding layer string screen |
| 02/19/1992 | CN2096423U Heat mineral vibration sieve |
| 02/18/1992 | CA1295885C Machine to restore railway road beds with a continuous endless-conveyor riddle |
| 02/12/1992 | EP0470422A2 Panel mounting system |
| 02/12/1992 | CN2095715U String type arc probability screen |
| 02/04/1992 | US5085324 Screen for processing conveyed goods |
| 01/28/1992 | WO1992002676A1 A device for separating suspensions, preferably containing fibre pulp |
| 01/28/1992 | CA2086938A1 Device for separating suspensions, preferably containing fibre pulp |
| 01/28/1992 | CA1294943C Production of improved catalyst-type particles using length and density grading |
| 01/22/1992 | EP0466755A1 Sectional screen cylinder. |
| 01/21/1992 | US5082555 Soil feeding apparatus and method |
| 01/21/1992 | US5082553 Concrete aggregate collecting apparatus |
| 01/21/1992 | US5082187 Vibrating screen crusher |
| 01/09/1992 | WO1992000148A1 Composite vibratory screen |
| 01/09/1992 | WO1992000147A1 Mobile plant |
| 01/09/1992 | WO1992000133A1 Filter screen assembly |
| 01/07/1992 | US5078859 Stock screening apparatus |
| 01/07/1992 | US5078275 Screening apparatus for paper making stock |
| 01/07/1992 | US5078274 Method and apparatus for wood chip sizing |
| 01/01/1992 | CN2091725U Centrifugal probabilistic screen |
| 12/31/1991 | US5076921 Filtering screens |
| 12/31/1991 | US5076627 Scoop for cat litter |
| 12/25/1991 | CN2091188U Sieve winnow |
| 12/24/1991 | US5074012 Self-locking hold-down clamp |
| 12/18/1991 | CN2090736U Sealed electric powder-screening machine with forward-backward run |
| 12/18/1991 | CN2090735U High-efficient screen mesh |
| 12/18/1991 | CN2090730U Centrifugal screen classifier |
| 12/17/1991 | US5072834 Screening apparatus for paper making stock |
| 12/17/1991 | CA1293223C Screen component for modular screening decks |
| 12/12/1991 | DE4106443A1 Vibration machine with frame elastically mounted on support - has two pairs of shafts with same nominal rotational speeds |
| 12/10/1991 | US5071544 Filtering device for solid wastes |
| 12/05/1991 | DE4017652A1 Screening appts. for household and industrial waste - has several stepped screens with shafts driven at rising speeds |
| 12/04/1991 | CN2089847U Rotary high efficient round strainer for pulverizer |
| 12/03/1991 | US5069778 Screen deck with pedestal mounted slats |
| 12/02/1991 | CA2030322A1 Bean cleaning apparatus |
| 11/28/1991 | DE4017069A1 Removing dust from building rubble - involves suction pipe to remove dust and light material |
| 11/27/1991 | EP0357762B1 Process and device for guiding and separating grains |
| 11/27/1991 | CN2089370U Vibration damping vibrating screen |
| 11/26/1991 | WO1991019043A1 Screening device |
| 11/26/1991 | CA2080599A1 Screening device |
| 11/21/1991 | DE4016253A1 Domed sieve element mfr. for heat exchanger - esp. useful in cooling water filter unit by deforming flat metal plate into conical cap shape and forming sieve holes |
| 11/20/1991 | CN2088904U High efficient sieve-plate for cylinder sieve |
| 11/13/1991 | EP0455697A1 Machine for processing goods, especially refuse, for sorting it. |
| 11/13/1991 | CN2088455U Rubber screen |
| 11/12/1991 | US5064537 Seamless screen cylinder with laser cut openings |
| 11/07/1991 | DE4028772A1 Suspension sorting rotor - has projecting components inserted in openings in rotor body for lightweight and low cost |
| 11/06/1991 | EP0455309A2 Scooping apparatus, vehicle and coupling plate therefore |
| 11/06/1991 | CN1014588B Hydraulic vibration device capable of eliminating automatically piston device |
| 11/05/1991 | US5062949 Deformable sieve mat screening apparatus having raised sieve mat rims |
| 10/30/1991 | CN1014536B Disk screen shaft assemblies and method of means for manufacturing the same |
| 10/29/1991 | US5060872 Rotary screen diverter and solid waste handling system using same |
| 10/29/1991 | US5060806 Variable-aperture screen |
| 10/24/1991 | DE4113093A1 Rotating sifter for semiconductor wafer sorting - uses cylinder with friction drive in conjunction with parallel bars to difference sizes |
| 10/24/1991 | DE4030665C1 Regulating RPM of drive motor(s) of load-excited screening machine - supplying actual oscillating value to regulator and measuring resultant power output of motor(s) |
| 10/24/1991 | CA2038554A1 Gyrating drive for particle screening machine |
| 10/23/1991 | EP0453348A1 Screen for straining a classification of paper pulp |
| 10/22/1991 | US5059326 Resistance spot welding of multilayers of metal wire mesh; shaping plate structure; catalytic exhaust systems |
| 10/22/1991 | US5059324 Centrifugal pulp screen |
| 10/22/1991 | US5059310 Analytical sieve apparatus |
| 10/22/1991 | CA1291068C Screening apparatus |
| 10/16/1991 | EP0452183A1 Apparatus for sorting oblong products such as green beans |
| 10/16/1991 | EP0451358A1 Straw walker for combine harvester |
| 10/16/1991 | CN2086637U Filtering device of ternary vibrating filter |
| 10/16/1991 | CN2086636U High-efficiency screen mesh with special structure |
| 10/16/1991 | CN2086634U Placer gold panning and pulverizing unit |
| 10/15/1991 | US5056286 Screen plate |
| 10/09/1991 | EP0449873A1 Filtering apparatus |
| 10/02/1991 | DE3448388C2 Sieve layer with lateral supports |
| 10/02/1991 | CN2085682U Electric revolving screen |
| 09/26/1991 | DE4009554A1 Glass separator for refuse dumps - has movable sieve with spaced round bars and air stream underneath |
| 09/25/1991 | EP0448179A2 Vibratory conveying and separating apparatus and related clamping device |
| 09/25/1991 | EP0447618A2 Structure of vibro separator |