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Emerson Electric Co. Patents |
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Assignee: Emerson Electric Co.
Address: St. Louis, MO
No. of patents: 1653
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| D601320 |
Filter for a wet/dry vacuum cleaner |
September 29, 2009 |
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| D601319 |
Filter for a wet/dry vacuum cleaner |
September 29, 2009 |
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| D601318 |
Filter for a wet/dry vacuum cleaner |
September 29, 2009 |
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| D601240 |
Ceiling fan blade |
September 29, 2009 |
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| D599474 |
Multi-plane ceiling fan blade |
September 1, 2009 |
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| D599473 |
Weave ceiling fan blade |
September 1, 2009 |
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| D599472 |
Paddle ceiling fan blade |
September 1, 2009 |
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| D599462 |
Extended drive ceiling fan |
September 1, 2009 |
|
| D598997 |
Ceiling fan |
August 25, 2009 |
|
| D598259 |
Dual operation crimp and press jawset |
August 18, 2009 |
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| D596359 |
Combined wet/dry vacuum cleaner with tool caddy and wheels |
July 14, 2009 |
|
| D595911 |
Frame for a drain cleaning machine |
July 7, 2009 |
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| D595910 |
Portable wet/dry vacuum appliance |
July 7, 2009 |
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| D593828 |
Pressing tool body |
June 9, 2009 |
|
| D589822 |
Touch screen thermostat |
April 7, 2009 |
|
| D585833 |
Grounding lug |
February 3, 2009 |
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| D582108 |
Hand held drain cleaning apparatus |
December 2, 2008 |
|
| D581113 |
Backpack vacuum cleaner |
November 18, 2008 |
|
| D580115 |
Handle-supporting, wheeled vacuum cleaner |
November 4, 2008 |
|
| D579612 |
Frame for a drain cleaning machine |
October 28, 2008 |
|
| D578906 |
Display housing for a remote visual inspection device |
October 21, 2008 |
|
| D577164 |
Combined wet and dry vacuum appliance |
September 16, 2008 |
|
| D573903 |
Display housing for a remote visual inspection device |
July 29, 2008 |
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| D573042 |
Display housing for a remote visual inspection device |
July 15, 2008 |
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| D570558 |
Drain cleaner |
June 3, 2008 |
|
| D567123 |
Remote visual inspection device |
April 22, 2008 |
|
| D565269 |
Cart with a vacuum cleaner |
March 25, 2008 |
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| D564154 |
Professional portable vacuum |
March 11, 2008 |
|
| D562098 |
Tool identification attachment |
February 19, 2008 |
|
| D560986 |
Basin wrench |
February 5, 2008 |
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| D558410 |
Wet and dry vacuum cleaner appliance |
December 25, 2007 |
|
| D556609 |
Digital thermostat |
December 4, 2007 |
|
| D556608 |
Touch screen thermostat |
December 4, 2007 |
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| D551681 |
Pump accessory for wet and dry vacuum cleaner |
September 25, 2007 |
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| D549904 |
Vacuum appliance |
August 28, 2007 |
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| D549903 |
Vacuum appliance with wall mount |
August 28, 2007 |
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| D549533 |
Wrench handle for an adjustable wrench |
August 28, 2007 |
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| D546152 |
Water-pump pliers with semi-flush fastener |
July 10, 2007 |
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| D546151 |
Pliers with semi-flush fastener |
July 10, 2007 |
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| D544090 |
Radial diffuser |
June 5, 2007 |
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| D543816 |
Arc joint long nose pliers |
June 5, 2007 |
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| D543815 |
Slip joint long nose long reach pliers |
June 5, 2007 |
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| D543814 |
Slip joint long nose pliers |
June 5, 2007 |
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| D542614 |
Set of handles for pliers |
May 15, 2007 |
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| D542595 |
Shredder plate for food waste disposer |
May 15, 2007 |
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