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Class Information
Number: 198/657
Name: Conveyors: power-driven > Conveyor section > Screw
Description: Apparatus wherein the conveyor section comprises a helical surface formation which is rotated about its longitudinal axis.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7311050 |
Systems for the control and use of fluids and particles |
Dec. 25, 2007 |
| 7284577 |
Container control apparatus and manufacture-related plant |
Oct. 23, 2007 |
| 7137503 |
Auger brush |
Nov. 21, 2006 |
| 6976575 |
Process and device for the continuous conveyance of confections |
Dec. 20, 2005 |
| 6951273 |
Hanger bearing for auger type poultry chiller with cone deflector |
Oct. 4, 2005 |
| 6932210 |
Self-cleaning oscillating conveyor for deburring, dedusting and the onward transport of small parts |
Aug. 23, 2005 |
| 6722489 |
Screw conveyor arm for dry material |
Apr. 20, 2004 |
| 6722490 |
Hanger bearing for use with an auger type poultry chiller |
Apr. 20, 2004 |
| 6722491 |
Feeder tube for bulk product |
Apr. 20, 2004 |
| 6685053 |
Apparatus for removal of ice from a storage bin |
Feb. 3, 2004 |
| 6591974 |
Auger flow control spout with overflow |
Jul. 15, 2003 |
| 6540067 |
Ice transporting assembly, ice making and transporting system and method for transporting ice |
Apr. 1, 2003 |
| 6368555 |
Method for treating contaminated material, specifically infected material |
Apr. 9, 2002 |
| 6330767 |
Unloading system for particulate materials bins |
Dec. 18, 2001 |
| 6098788 |
Casting of complex micromechanical objects |
Aug. 8, 2000 |
| 5996770 |
Plug screw feeder |
Dec. 7, 1999 |
| 5980153 |
Telescoping auger shaft and method of manufacture |
Nov. 9, 1999 |
| 5881649 |
Magnetic transfer system, power transmission mechanism of the magnetic transfer system, and rotational driving member used for the system |
Mar. 16, 1999 |
| 5871619 |
Plug seal discharge system for distillation apparatus |
Feb. 16, 1999 |
| 5836722 |
Spraying method and device for cooling a powdered coating product |
Nov. 17, 1998 |
| 5761888 |
Method and apparatus for conveying dry ice |
Jun. 9, 1998 |
| 5746303 |
Auger control |
May. 5, 1998 |
| 5714043 |
Liquid seal bulk feeder for destructive distillation |
Feb. 3, 1998 |
| 5651321 |
Method of and means for producing combustible gases from low grade fuel |
Jul. 29, 1997 |
| 5396983 |
Cleaning device, particularly for residual concrete reprocessing installations |
Mar. 14, 1995 |
| 5348138 |
No-nest bird gate |
Sep. 20, 1994 |
| 5335166 |
Method of operating a sand screw |
Aug. 2, 1994 |
| 5318444 |
Grain storage unloading system |
Jun. 7, 1994 |
| 5263572 |
Volumetric feeder with removable auger drive assembly |
Nov. 23, 1993 |
| 5213232 |
Rotating apparatus for dispensing single homogeneous units |
May. 25, 1993 |
| 5170891 |
Self-cleaning magnetic separator |
Dec. 15, 1992 |
| 5104613 |
Material handling system |
Apr. 14, 1992 |
| 4993539 |
Screw feeding devices |
Feb. 19, 1991 |
| 4969348 |
Feed system for a redraw press |
Nov. 13, 1990 |
| 4823937 |
Auger including a step contruction designed for attachment thereto |
Apr. 25, 1989 |
| 4819348 |
Ditch forming machine |
Apr. 11, 1989 |
| 4708567 |
Motive power device for a delivery device for a silo or a similar upright container |
Nov. 24, 1987 |
| 4604251 |
Method and apparatus for indicating dimensional relationships in plastic material feeding device during operation |
Aug. 5, 1986 |
| 4487310 |
Metal detector device for auger feed granulators |
Dec. 11, 1984 |
| 4477295 |
Method for fabricating conveyor worms or the like |
Oct. 16, 1984 |
| 4471528 |
Tufting button upholstery machine |
Sep. 18, 1984 |
| 4456305 |
Shield tunneling machine |
Jun. 26, 1984 |
| 4454943 |
Auger housing construction |
Jun. 19, 1984 |
| 4436518 |
Metal trough |
Mar. 13, 1984 |
| 4342269 |
Material treating apparatus utilizing an auger having an internal air supply and heat transfer system |
Aug. 3, 1982 |
| 4192418 |
Auger conveyer |
Mar. 11, 1980 |
| 4186832 |
Conveyor for handling free-flowing material |
Feb. 5, 1980 |
| 4170287 |
Magnetic auger |
Oct. 9, 1979 |
| 4128160 |
Leak free housing for vertical screw conveyor |
Dec. 5, 1978 |
| 4090604 |
Cover construction |
May. 23, 1978 |
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