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Class Information
Number: 416/182
Name: Fluid reaction surfaces (i.e., impellers) > Rotor having flow confining or deflecting web, shroud or continuous passage > Radially extending web or end plate
Description: Apparatus comprising a working fluid flow directing surface transverse to the axis of rotation and having a continuous peripheral edge.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7329100 |
Centrifugal fan impeller |
Feb. 12, 2008 |
| 7195450 |
Multiblade fan and electronic apparatus having a multiblade fan |
Mar. 27, 2007 |
| 6918741 |
Molten metal pump impeller system |
Jul. 19, 2005 |
| 6802693 |
Vortex attractor with vanes attached to containing ring and backplate |
Oct. 12, 2004 |
| 6790007 |
Wind turbine structure |
Sep. 14, 2004 |
| 6699013 |
Forced air cooling fan having pivotal fan blades for unidirectional air flow |
Mar. 2, 2004 |
| 6595753 |
Vortex attractor |
Jul. 22, 2003 |
| 6579064 |
Blade for a cooling fan |
Jun. 17, 2003 |
| 6464458 |
Molten metal impeller |
Oct. 15, 2002 |
| 6254340 |
Molten metal impeller |
Jul. 3, 2001 |
| 6238185 |
Fan with low noise, high air flow and high wind pressure |
May. 29, 2001 |
| 6206641 |
Micro fan |
Mar. 27, 2001 |
| 6135710 |
Turbo blood pump |
Oct. 24, 2000 |
| 5785494 |
Molten metal impeller |
Jul. 28, 1998 |
| 5685695 |
Fan wheel and method for manufacturing the same |
Nov. 11, 1997 |
| 5605439 |
Drainage pump |
Feb. 25, 1997 |
| 5413464 |
Propulsion device having circular array of inclined airfoil elements with radially-inwardly directed vacuum-inducing surfaces |
May. 9, 1995 |
| 5413465 |
Propulsion device having circular array of inclined airfoil elements with radially-outwardly directed vacuum-inducing surfaces |
May. 9, 1995 |
| 5328333 |
Rotating thrust-producing apparatus |
Jul. 12, 1994 |
| 5143513 |
Dishwasher pump |
Sep. 1, 1992 |
| 5124038 |
Apparatus for separating and recovering floating liquid |
Jun. 23, 1992 |
| 5104541 |
Oil-water separator |
Apr. 14, 1992 |
| 5044887 |
Blower fan impellers |
Sep. 3, 1991 |
| 4986736 |
Pump impeller |
Jan. 22, 1991 |
| 4958987 |
Materials handling fan impeller |
Sep. 25, 1990 |
| 4670677 |
Electric motor with shrouded fan |
Jun. 2, 1987 |
| 4551285 |
Flotation machine and aeration impeller |
Nov. 5, 1985 |
| 4521154 |
Centrifugal fans |
Jun. 4, 1985 |
| 4484860 |
Radial tube centrifugal fan |
Nov. 27, 1984 |
| 4184804 |
Rotary electric machine having a cooling fan |
Jan. 22, 1980 |
| 4151231 |
Rotary surface aerators |
Apr. 24, 1979 |
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