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Class Information
Number: 415/912
Name: Rotary kinetic fluid motors or pumps > Interchangeable parts to vary pumping capacity or size of pump
Description: Rotary device which adds energy to working fluid* (i.e., "pump"* device) and comprises pieces intended to be exchanged with other pieces within or separate from the device to change (a) the maximum or minimum working fluid* flow which can be handled by the device or (b) working fluid pumping characteristics of the device.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8568093 Multi-stage centrifugal pump assembly (bearing carrier) Oct. 29, 2013
8393856 Integral scroll and gearbox for a compressor with speed change option Mar. 12, 2013
8313292 System and method for accommodating changing resource conditions for a steam turbine Nov. 20, 2012
8202040 Pump header and implementation thereof Jun. 19, 2012
8128340 Stacked self-priming pump and centrifugal pump Mar. 6, 2012
8123458 Stacked self-priming pump and centrifugal pump Feb. 28, 2012
7955048 Steam turbines Jun. 7, 2011
7871239 Multi-segment compressor casing assembly Jan. 18, 2011
7775762 Pump header body and modular manifold Aug. 17, 2010
7628576 Method of modifying a turbocompressor Dec. 8, 2009
7591633 Centrifugal blower for air handling equipment Sep. 22, 2009
7507066 Pump header body and modular manifold Mar. 24, 2009
7455500 Modular ventilating exhaust fan assembly and method Nov. 25, 2008
7428814 Turbine assemblies and related systems for use with turbochargers Sep. 30, 2008
7374398 Automotive compressor May. 20, 2008
7121794 Component assembly for reconfiguring a centrifugal pump Oct. 17, 2006
6979169 Modular ventilating exhaust fan assembly and method Dec. 27, 2005
6929452 Plenum fan banding Aug. 16, 2005
6752589 Method and apparatus for retrofitting a steam turbine and a retrofitted steam turbine Jun. 22, 2004
6691519 Adaptable modular gas turbine power plant Feb. 17, 2004
6685424 Method and apparatus for increasing performance of a pump Feb. 3, 2004
6135731 Compact and self-cooling blower assembly Oct. 24, 2000
5971702 Adjustable compressor bundle insertion and removal system Oct. 26, 1999
5785507 Evaporative cooler pump Jul. 28, 1998
5749224 Extended range thruster system and method of determining thrust May. 12, 1998
5603601 Compressor with attachments mounted on stubs of a housing of the compressor Feb. 18, 1997
5573376 Bladed device and method of manufacturing same Nov. 12, 1996
5567133 Canned motor and pump employing such canned motor Oct. 22, 1996
5564914 Fluid machine with induction motor Oct. 15, 1996
5527149 Extended range regenerative pump with modified impeller and/or housing Jun. 18, 1996
5520512 Gas turbines having different frequency applications with hardware commonality May. 28, 1996
5342169 Axial flow turbine Aug. 30, 1994
5312231 Slurry conveyor device May. 17, 1994
5275533 Quiet compressed air turbine fan Jan. 4, 1994
5199848 Portable water driven pump Apr. 6, 1993
5178520 Double centrifugal pump with single casing and adapter insert Jan. 12, 1993
5114312 Slurry pump apparatus including fluid housing May. 19, 1992
5110256 Methods and apparatus for attaching a flow guide to a steam turbine for retrofit of longer rotational blades May. 5, 1992
5076758 Centrifugal pumps Dec. 31, 1991
5013214 Portable water driven high velocity fan May. 7, 1991
4957504 Implantable blood pump Sep. 18, 1990
4923367 Submersible pump with plastic housing May. 8, 1990
4902199 Universal blower Feb. 20, 1990
4900223 Steam turbine Feb. 13, 1990
4810174 Motor and pump assembly Mar. 7, 1989
4778334 Centrifugal pump Oct. 18, 1988
4775294 Tubular centrifugal fan Oct. 4, 1988
4773765 Blender pump adaptor Sep. 27, 1988
4764083 Discharge ring supporting structure of adjustable-blade axial-flow turbine Aug. 16, 1988
4695225 Axial swirl body for generating rotary flows Sep. 22, 1987

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