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Class Information
Number: 406/32
Name: Conveyors: fluid current > With means to control conveying fluid or movement of load in response to sensed condition > Control of load input or output > Input > Responsive to presence, absence, or quantity of load > Level or weight of load in receptacle
Description: Subject matter wherein the sensor detects the height or the quantity of the load in a hopper or other container associated with the fluid current conveyor*.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6726408 |
Dual inserter applicator |
Apr. 27, 2004 |
| 6419425 |
Granular material distributing apparatus comprising at least two transfer vessels that operate in alternation |
Jul. 16, 2002 |
| 6088968 |
Baled insulation material blowing apparatus and method |
Jul. 18, 2000 |
| 5993117 |
Ice transportation system and method |
Nov. 30, 1999 |
| 5988951 |
Pneumatic grain sample transport system |
Nov. 23, 1999 |
| 5964551 |
Vibratory/pneumatic powder coating apparatus and method |
Oct. 12, 1999 |
| 5947645 |
Fiber dispensing system |
Sep. 7, 1999 |
| 5931610 |
Fiber dispensing system |
Aug. 3, 1999 |
| 5836721 |
Powder coating apparatus |
Nov. 17, 1998 |
| 5775852 |
Apparatus and method for adding dry materials to liquid drilling mud system |
Jul. 7, 1998 |
| 5634713 |
Pneumatic material transporter and mixer |
Jun. 3, 1997 |
| 5590984 |
Method and system for installing loose insulation |
Jan. 7, 1997 |
| 5567919 |
Gravimetric feeding system for boiler fuel and sorbent |
Oct. 22, 1996 |
| 5556237 |
Apparatus and method for dispensing and distributing loose particulate materials |
Sep. 17, 1996 |
| 5273584 |
Device for the dosed conveying of powder to a powder processing unit |
Dec. 28, 1993 |
| 5150990 |
High density pneumatic transport system for use with solid materials |
Sep. 29, 1992 |
| 5114280 |
Vacuum type sewage collecting system and vacuum valve controller for the same |
May. 19, 1992 |
| 5042209 |
Process for charging a carrier gas stream with a free-flowing material and process for operating the device |
Aug. 27, 1991 |
| 5009551 |
Material handling system and control valve therefor |
Apr. 23, 1991 |
| 5006018 |
Feed and separation device |
Apr. 9, 1991 |
| 4938637 |
Method and apparatus for bottom loading a pneumatic transport pressure vessel |
Jul. 3, 1990 |
| 4934875 |
Air conveyor dispensing and recycling system |
Jun. 19, 1990 |
| 4904127 |
High-density pneumatic transport method for use in powdered or granular materials and system for practising the method |
Feb. 27, 1990 |
| 4883390 |
Method and apparatus for effecting pneumatic conveyance of particulate solids |
Nov. 28, 1989 |
| 4834587 |
Pneumatic conveying system |
May. 30, 1989 |
| 4834586 |
Feed and separation device |
May. 30, 1989 |
| 4799830 |
Air conveyor dispensing and recycling system |
Jan. 24, 1989 |
| 4773797 |
Device for loading containers for particulate materials and the use thereof |
Sep. 27, 1988 |
| 4730957 |
Method of calibrating a pneumatic conveying apparatus |
Mar. 15, 1988 |
| 4697962 |
Control system for a continuous process venturi accelerated pneumatic pump |
Oct. 6, 1987 |
| 4694740 |
Domestic appliance using a hydrophilic powder |
Sep. 22, 1987 |
| 4665956 |
Fluent material container with filling and exhaust ports and method of flling same |
May. 19, 1987 |
| 4582454 |
Apparatus and method for feeding pulverized coal into an air line to a blast furnace |
Apr. 15, 1986 |
| 4579482 |
Powder distributor, particularly for a hot spray gun |
Apr. 1, 1986 |
| 4545704 |
Method and apparatus for the pneumatic conveyance of fine material |
Oct. 8, 1985 |
| 4437796 |
Pneumatic transport procedure and apparatus |
Mar. 20, 1984 |
| 4427133 |
Additive material metering system with weighing means |
Jan. 24, 1984 |
| 4269548 |
Apparatus for measuring and controlling flow of pulverulent material |
May. 26, 1981 |
| 4134466 |
Weigh jet assemblies |
Jan. 16, 1979 |
| 4076320 |
Down filling machine |
Feb. 28, 1978 |
| 4029362 |
Arrangement for hydraulically conveying solids |
Jun. 14, 1977 |
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