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Emerson Electric Co. Patents
Assignee:
Emerson Electric Co.
Address:
St. Louis, MO
No. of patents:
1798
Patents:












Patent Number Title Of Patent Date Issued
RE43288 High purity fluid delivery system April 3, 2012
A fluid delivery system includes a flow control device and a Coriolis mass flowmeter in fluid communication with the flow control device. The Coriolis flowmeter has a flow-tube made of a high-purity plastic material, such as PFA, making the delivery system suitable for high purity ap
RE36568 Current decay control in switched reluctance motor February 15, 2000
A control circuit (10) for controlling the residual or tail current decay in a single phase or polyphase SRM winding when a phase is switched from active to inactive. A Hall-effect type sensor (30) senses rotor position of the SRM. Current flows through a winding (W) of the motor when th
RE33775 Pulse controlled expansion valve for multiple evaporators and method of controlling same December 24, 1991
A pulse controlled refrigeration expansion valve for multiple evaporators and method of controlling the valve is disclosed. The refrigeration system on which this invention is typically used includes a single source of pressurized refrigerant and a plurality of .[.evaportors.]. .Iadd
RE32266 Lawn edger October 21, 1986
A power operated lawn edger includes a power unit comprising an internal combustion engine having a handle portion and being connected to one end of an elongated support boom. A cutter head including a vertically disposed rotating cutter blade is mounted at the other end of the support
RE29983 Self-monitoring battery operated circuit May 1, 1979
Time pulse generator having biasing means therefor including a control device, which may be a transistor and means interconnecting the biasing means to the battery being monitored. The output of the time pulse generator is utilized to drive a signaling device to indicate a low level
RE29430 Thermal limiter for one or more electrical circuits and method of making the same October 4, 1977
This invention relates to a thermal limiter which can be used to limit one or more electrical circuits, such as multiple circuits in which one of the circuits is a primary circuit and the other circuits are secondary circuits energized or controlled by the primary circuit. The limiter of
D670048 Combined wet/dry vacuum cleaner October 30, 2012
D670046 Combined wet/dry vacuum cleaner October 30, 2012
D669646 Combined wet/dry vacuum cleaner October 23, 2012
D668568 Housing for handheld gas detector October 9, 2012
D668567 Display housing for handheld inspection device October 9, 2012
D668566 Display housing for a handheld inspection device October 9, 2012
D668561 Housing for handheld thermometer October 9, 2012
D666369 Combined wet/dry vacuum cleaner with integrated tool storage August 28, 2012
D660234 Lead end cap for a stator segment of a segmented stator assembly May 22, 2012
D660116 Pipe cutter May 22, 2012
D659560 Thermostat May 15, 2012
D659315 Scraper vacuum accessory tool May 8, 2012
D658598 Control housing May 1, 2012
D657933 Handle April 17, 2012
D657101 Combined wet/dry vacuum cleaner with a detachable blower and accessory storage April 3, 2012
D647261 Combined wet/dry vacuum cleaner with onboard tool storage and integrated dustpan accessory October 18, 2011
D647260 Portable wet/dry vacuum cleaner October 18, 2011
D646990 Thermostat October 18, 2011
D645327 Base plate September 20, 2011
D645326 Base plate September 20, 2011
D645325 Base plate September 20, 2011
D645324 Base plate September 20, 2011
D645323 Base plate September 20, 2011
D645322 Base plate September 20, 2011
D645321 Base plate September 20, 2011
D645320 Base plate September 20, 2011
D645319 Base plate September 20, 2011
D645132 Air cleaner panel September 13, 2011
D643979 Hip-carried vacuum cleaner August 23, 2011
D643169 Vacuum cleaner floor tool August 9, 2011
D634494 Combined wet/dry vacuum cleaner March 15, 2011
D629271 Power unit December 21, 2010
D627457 Leaf ceiling fan blade November 16, 2010
D626812 Pipe cutter November 9, 2010
D620438 Motor switch lever July 27, 2010
D618870 Combined wet/dry vacuum cleaner with integrated wand storage June 29, 2010
D617888 Dual-head ceiling fan June 15, 2010
D617514 Combined wet/dry vacuum June 8, 2010
D617065 Filter for a wet/dry vacuum cleaner June 1, 2010
D615259 Combined wet/dry vacuum cleaner May 4, 2010
D614369 Combined wet/dry vacuum appliance April 20, 2010
D608303 Fan remote control January 19, 2010
D601320 Filter for a wet/dry vacuum cleaner September 29, 2009
D601319 Filter for a wet/dry vacuum cleaner September 29, 2009

 
 
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