ClassID:

77771

B65G33/22 - CPC Classification

Classification description:

Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing with means for retarding material flow at the delivery end of the housing

Recent Application in this class:
#1
20250353689
2025-11-20

GRANULAR MATERIAL CONVEYANCE AND TRANSFER APPARATUS

#2
20250282555
2025-09-11

CONVEYOR DEVICE AND FILLING MACHINE FOR PASTY FOODS

#3
20220363994
2022-11-17

Reactor feed systems

#4
20220011694
2022-01-13

Toner conveyance device including conveyance screw and image forming apparatus

#5
20210321565
2021-10-21

Multicrop harvesting

#6
20210189647
2021-06-24

Feeding arrangement

#7
20210131032
2021-05-06

FEEDING SYSTEM AND METHOD FOR FEEDING COMMINUTED CELLULOSIC MATERIAL TO A HIGH-PRESSURE TREATMENT ZONE

#8
20210039893
2021-02-11

A SYSTEM FOR TRANSPORTING BIOMASS MATERIAL AND A METHOD FOR PREVENTING BLOW BACK IN SAID SYSTEM

#9
20210037708
2021-02-11

Auger cover

#10
20200037507
2020-02-06

Spill saver control system for combine harvester unloading system

#11
20190366669
2019-12-05

Waste material compaction apparatus and vehicle including same

#12
20180275562
2018-09-27

Toner conveyance device and image forming apparatus including the same

#13
20180022554
2018-01-25

DEVICE AND METHOD FOR CONVEYING BULK MATERIAL INTO A PRESSURE CHAMBER

#14
20170107472
2017-04-20

INTRODUCING SCREW FOR BIOGAS PLANTS

#15
20170099774
2017-04-13

Separably-driven rotor portions and associated method for threshing grain

#16
20160087717
2016-03-24

Optical networks

#17
20150259152
2015-09-17

Extruder for use in a dispenser of a loose product for the preparation of beverages

#18
20150175912
2015-06-25

Feed delivery system and method for gasifier

#19
20150017048
2015-01-15

Single flight screw, a single flight high pressure screw pump and compactor containing such a pump

#20
20140339346
2014-11-20

Feed delivery system and method for gasifier

#21
20140339054
2014-11-20

Introducing screw for biogas plants

#22
20140271096
2014-09-18

Method for processing material for a gasifier

#23
20140271047
2014-09-18

System for processing material for a gasifier

#24
20140264130
2014-09-18

Isolation gate

#25
20140261829
2014-09-18

Outlet tube for a material transfer system

#26
20130337876
2013-12-19

Separably-driven rotor portions and associated method for threshing grain

#27
20120321421
2012-12-20

APPARATUS AND METHOD FOR CONVEYING BULK MATERIALS

#28
20120224850
2012-09-06

Optical networks

#29
20110247920
2011-10-13

Conveying screw apparatus for transporting loose material

#30
20110029205
2011-02-03

Positive open grain saving unloading system

#31
20100220549
2010-09-02

PROCESS FOR PREPARING AND APPLYING PESTICIDE OR HERBICIDE FORMULATION

#32
20070163859
2007-07-19

Auger airlock assembly and end dump housing

#33
20070068970
2007-03-29

Screw type material feeding apparatus

#34
20050236257
2005-10-27

Mixture with a smooth throughput