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Class Information
Number: 366/321
Name: Agitating > Stirrer within stationary mixing chamber > Rotatable stirrer > Screw-type stirrer > Opposite pitch
Description: Subject matter wherein the stirrer includes a helical ribbon portion of opposite pitch.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7178973 |
Continuous annular layer mixer |
Feb. 20, 2007 |
| 7137730 |
Electrographic ribbon blender and method |
Nov. 21, 2006 |
| 6913380 |
Continuous preparation of heat-vulcanizable silicone compositions |
Jul. 5, 2005 |
| 6902314 |
Method and apparatus for mixing a fluid mass |
Jun. 7, 2005 |
| 6811295 |
Batch mixer and a mixing rotor for the same |
Nov. 2, 2004 |
| 6572253 |
System to compound silicone compositions |
Jun. 3, 2003 |
| 6511217 |
Method and system to compound silicone compositions |
Jan. 28, 2003 |
| 6267497 |
Device for producing feed stuff or organic fertilizer from edible waste material through low temperature, natural fermentation and drying process |
Jul. 31, 2001 |
| 6120648 |
Apparatus for pulping and deinking |
Sep. 19, 2000 |
| 6050721 |
Mixing machine for plasticizable compounds |
Apr. 18, 2000 |
| 6007272 |
Asphalt paver with remixing conveyor system |
Dec. 28, 1999 |
| 5967657 |
Mixer vehicle with helical sweep bars and a return auger |
Oct. 19, 1999 |
| 5842782 |
Screw conveyor-type delivery and mixing device for plastics injecting molding machine |
Dec. 1, 1998 |
| 5741066 |
Helical ribbon mixer |
Apr. 21, 1998 |
| 5630944 |
Treatment of sewage sludge |
May. 20, 1997 |
| 5527106 |
Retruder |
Jun. 18, 1996 |
| 5524796 |
Screw feeder with multiple concentric flights |
Jun. 11, 1996 |
| 5499870 |
Multiscrew, continuous mixing machine for plasticizable compounds |
Mar. 19, 1996 |
| 5407268 |
Kneader for the treatment of fibrous pulp suspensions |
Apr. 18, 1995 |
| 5356215 |
Mixing device |
Oct. 18, 1994 |
| 5352035 |
Concrete mixing system with cement/water premixer |
Oct. 4, 1994 |
| 5318358 |
Screw kneader for plastic material having a controlling mixing section |
Jun. 7, 1994 |
| 5314644 |
Microbubble generator |
May. 24, 1994 |
| 5267788 |
Multi-screw, continuous mixing and kneading machine with polygonal kneading elements for plasticizable compounds |
Dec. 7, 1993 |
| 5204721 |
Developer auger for use in an electrophotographic printing machine |
Apr. 20, 1993 |
| RE34172 |
Continuous mixer |
Feb. 2, 1993 |
| 5044759 |
Mixing process and screw extruders for carrying out the same |
Sep. 3, 1991 |
| 4846054 |
Apparatus for extracting fat from an animal material |
Jul. 11, 1989 |
| 4767216 |
Continuous mixer |
Aug. 30, 1988 |
| 4712922 |
Material mixing apparatus |
Dec. 15, 1987 |
| 4627735 |
Double reverse helix agitator |
Dec. 9, 1986 |
| 4597672 |
Center discharge mixer for fluent and nonfluent material |
Jul. 1, 1986 |
| 4506990 |
Mixer for fluent and nonfluent material |
Mar. 26, 1985 |
| 4444337 |
Apparatus for proportioning fluids |
Apr. 24, 1984 |
| 4416606 |
Apparatus for granulating sodium percarbonate |
Nov. 22, 1983 |
| 4202636 |
Mixing device with internal recycle |
May. 13, 1980 |
| 4201348 |
Feed grinding and mixing apparatus |
May. 6, 1980 |
| 4199269 |
Spiral mixing element |
Apr. 22, 1980 |
| 4187030 |
Mixer-auger mechanism for xerographic developer compositions |
Feb. 5, 1980 |
| 4157872 |
Mixing-tank trailer |
Jun. 12, 1979 |
| 4154372 |
Volumetric dry materials feeder |
May. 15, 1979 |
| 4103354 |
Process and apparatus for vacuum treatment of viscoplastic materials |
Jul. 25, 1978 |
| 4023777 |
Mixer with rotating mixing container |
May. 17, 1977 |
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