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Class Information
Number: 406/19
Name: Conveyors: fluid current > With means to control conveying fluid or movement of load in response to sensed condition > Control of conveying fluid > Responsive to presence or absence or quantity of load
Description: Subject matter wherein the controller which regulates the flow or pressure of the conveying fluid is regulated by a sensor which detects either the amount of the load or whether or not the load is at a particular location.










Sub-classes under this class:

Class Number Class Name Patents
406/23 Level or weight of load in receptacle 50
406/21 With load detector at outlet to terminate fluid current 17
406/20 With stepped reset for each load article introduced at intake 0
406/22 With timer to terminate current 14


Patents under this class:
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Patent Number Title Of Patent Date Issued
8414227 Controlled vacuum collection device and method thereof Apr. 9, 2013
8408478 Product distribution apparatus with system and method of automatic meter calibration Apr. 2, 2013
8360692 Apparatus for transferring slurry Jan. 29, 2013
8113745 Pressure tank, an device for feeding powder to a conveying pipe, and its feeding method, and method for determining feeding intervals of powder to the conveying pipe Feb. 14, 2012
7524146 Pneumatic uneven flow factoring for particulate matter distribution system Apr. 28, 2009
7326005 Air powered storage device for pneumatic transport system Feb. 5, 2008
7284945 Transporting apparatus Oct. 23, 2007
7269475 Distributed control system with global contraints for controlling object motion with smart matter Sep. 11, 2007
7260449 Device for conveying and positioning of structural elements in non-contact way Aug. 21, 2007
7140827 Transporting apparatus Nov. 28, 2006
6988857 Method and device for monitoring a mass flow in a pneumatic pipeline Jan. 24, 2006
6932544 Dual inserter applicator Aug. 23, 2005
6712561 Disposal of sharps in a healthcare environment Mar. 30, 2004
6626612 Transporting apparatus having an air cushion, and method of operating such a transporting apparatus Sep. 30, 2003
6478513 Fluid pumping apparatus for particulate material system Nov. 12, 2002
6454495 Pneumatic transporting method and apparatus Sep. 24, 2002
6402437 Process for conveyance of powder materials in hyperdense phase applicable to bypassing obstacles Jun. 11, 2002
6382881 Process for conveyance of powder materials in a hyperdense bed and potential fluidization device for embodiment of this process May. 7, 2002
6322295 Pneumatic apparatus and method for transporting irregularly-shaped objects Nov. 27, 2001
6309144 Apparatus for controlling flow in air conveyor systems Oct. 30, 2001
6190094 Pneumatic conveying apparatus Feb. 20, 2001
6102629 Apparatus for conveying spherical articles between atmospheres Aug. 15, 2000
6000995 Unit for the dosage of grained, pourable materials, in particular blasting abrasives Dec. 14, 1999
6000884 Apparatus for controlling flow in air conveyor systems Dec. 14, 1999
5846030 Transport system for fabric pieces Dec. 8, 1998
5846029 Transport system for fabric pieces Dec. 8, 1998
5839721 Movable workbench and an assembly line device using the workbench Nov. 24, 1998
5709506 Transport system for fabric pieces Jan. 20, 1998
5641250 Method and apparatus for transporting filter rod sections Jun. 24, 1997
5634636 Flexible object handling system using feedback controlled air jets Jun. 3, 1997
5615980 Injector-feed device for pneumatic feed of powder Apr. 1, 1997
5584613 Carrier automatic braking system Dec. 17, 1996
5549421 Method and apparatus for conveying ice lumps Aug. 27, 1996
5538365 Two-pressure, pneumatic conveying system for rod-like articles with partial air venting Jul. 23, 1996
5322074 Tobacco delivery system Jun. 21, 1994
5316179 System for dispensing a known volume of fluid May. 31, 1994
5307998 Method for processing scrap film May. 3, 1994
5269635 Slurry processing unit Dec. 14, 1993
5172497 Slurry density control system Dec. 22, 1992
5110393 Method of peeling a bonded film from a circuit board May. 5, 1992
5100264 Photoelectric controlled garbage disposal equipment Mar. 31, 1992
5083704 Trash disposal system Jan. 28, 1992
5048761 Pulverized coal flow monitor and control system and method Sep. 17, 1991
5018910 Process for increasing the quantity of powder dispensed in a powder coating system, as well as powder coating system May. 28, 1991
4976755 Stripping and depressurization of solids and gas mixture Dec. 11, 1990
4944635 Method and device for accumulating objects in a pneumatic conveyance system Jul. 31, 1990
4932594 Pulverized coal flow control system Jun. 12, 1990
4904127 High-density pneumatic transport method for use in powdered or granular materials and system for practising the method Feb. 27, 1990
4903901 Pulverized coal flow controller Feb. 27, 1990
4878784 Feed chute arrangement for textile machines, such as carding machines Nov. 7, 1989

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