U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6099319

Neuroimaging as a Marketing Tool

Neuroimaging as a means for validating whether a stimulus such as advertisement, communication, or product evokes a certain mental response such as emotion, preference, or memory, or to predict the consequences of the stimulus on later behavior such as consumption or purchasing.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 218/34 - Arc chute


Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter comprising spaced sidewalls of insulating
No. of patents: 51
Last issue date: 03/09/2010


  2  
NumberTitleIssue Date
4484045Molded case circuit breaker having improved arc resistant properties
Molded case circuit breakers having increased short circuit current ratings contain a dual contact blade arm assembly and an arc shield wherein the operating mechanism is shielded from the arc blast which occurs during contact arcing. The arc blast shield...
11/20/1984
4463335Magnetic circuit for high voltage contactor
A contactor of the high-voltage type utilizing an arc chute and aligned magnetic pole pieces for urging an arc into the chute for quenching. A pair of rigid bus bars extend upon either side of the arc chute assembly, and are projected along the edges of t...
07/31/1984
4453055Louvered arc chute
A "U" shaped arc chute, formed in a single piece stamping, with louvered openings at the center section. The louvers cool and safely direct gases, generated during short circuit operation of a circuit breaker, away from the metal front of circuit breaker ...
06/05/1984
4446347Arc-suppressing apparatus for circuit breaker
An arc-suppressing apparatus for a circuit breaker has a pair of side plates having a plurality of first and second grooves formed therein, the second grooves being shallower than the first grooves and extending linearly from the ends of the first grooves...
05/01/1984
4393289Circuit breaker
A high performance, manually and automatically operable, trip-free magnetic circuit breaker incorporates a double break contact system to achieve longer life, more reliable operation and improved rupture capacity....
07/12/1983
4376271Polarized DC contactors
Means for causing the properly-polarized one of a pair of series-connected DC contactors to open before the other, depending upon the direction of load current flow. Load current is caused to link the magnetic circuit constituted by a contactor coil, fram...
03/08/1983
4295021Electromagnetic arc extinction apparatus for switchgear
An electromagnetic arc extinction apparatus for switchgear comprises an arc chamber made of an electrically insulating material and having an axial channel. There are two electrodes arranged in axial relationship to the axis of the arc chamber and adapted...
10/13/1981
4295022Trifurcated arc runner
A relatively high current capacity molded case circuit breaker having arcing and main contacts and an arc chute to receive and extinguish arcs drawn between the arcing contacts is provided with a trifurcated magnetic arc runner extending from the stationa...
10/13/1981
4247746Electric circuit breaker
In the or each pole of an electric circuit breaker, the or each moving contact arm is mounted. by a pivot pin, upon a carrier, in such a manner as to permit lost motion between the arm and the carrier, the arm being spring-loaded towards an operative posi...
01/27/1981
4041356Air-break circuit interrupter having magnetically-assisted arc-dividing electrodes
Air-break circuit interrupter having a plurality of stacked plates of insulating material straddled at the lower edge thereof by electrodes including diverging wing portions extending between the plates to permit the initial arc to be divided by the base ...
08/09/1977
4011420Molded case circuit breaker with improved interrupting capacity
A molded case circuit breaker of relatively narrow width is afforded dramatically increased current interrupting capacity by providing shielding against the electromagnetic field developed as the result of short circuits flowing through a contiguous circu...
03/08/1977
  2  
 
Sign InRegister
Username  
Password   
forgot password?