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Toilet Tank Aquarium

A new toilet tank assembly aquarium for housing aquatic creatures.

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Class 338/113 - With resilient pressure-applying linkage


Subclass of Class 338 - Electrical resistors
Definition: Subject matter wherein the means for varying the contact
No. of patents: 12
Last issue date: 09/28/2004


NumberTitleIssue Date
6798332Current control device
A current control device is described wherein a pressure conduction composite is compressed and decompressed to alter its conductivity and thereby current conduction through the device. The pressure conduction composite is composed of a nonconductive matrix, a condu...
09/28/2004
6373372Current limiting device with conductive composite material and method of manufacturing the conductive composite material and the current limiting device
A current limiting device comprises at least two electrodes; an electrically conducting composite material between the electrodes; interfaces between the electrodes and electrically conducting composite material; an inhomogeneous distribution of resistanc...
04/16/2002
6114645Pressure activated switching device
A pressure actuated switching apparatus includes first and second conductive layers and a plurality of discrete spaced apart dots between the first and second conductive layers. The dots serve as a standoff for separating the conductive layers and are fab...
09/05/2000
5999083Resistive controller using magnetic repulsion
A membrane potentiometer that uses magnets to keep the membranes separated. A controller has a backplate and a cover that has sidewalls and a top wall which has a central opening defining a cavity. The cover mounts to the backplate. A pair of membrane pot...
12/07/1999
5942968Overvoltage suppressor
The overvoltage suppressor contains two connecting fittings (1, 2), which are spaced apart from one another along an axis (z) and between which at least one cylindrical varistor element (8) is arranged. The connecting fittings (1, 2) and the at least one ...
08/24/1999
5208576Electrical external resistance
An electrical external resistor with a plate-like, electrical insulating carrier element and a flat resistance element arranged on the upper side of the carrier element. The carrier element has several films forming a closed coating and varying in their e...
05/04/1993
5043838Modular electrical assemblies with pressure relief
A modular electrical assembly is enclosed in an elastomeric weathershed housing, and has a plurality of electrical components aligned in a row and in electrical connection with one another via their axially-directed ends and under an axially-directed comp...
08/27/1991
4905118Base mounted electrical assembly
A modular electrical assembly is enclosed in an elastomeric weathershed housing, and has a plurality of electrical components aligned in a row with terminals at the row ends. The electrical components and the terminals are in electrical connection with on...
02/27/1990
4656555Filament wrapped electrical assemblies and method of making same
An electrical assembly comprising a plurality of electrical components aligned in a row under an axial load and wrapped with filament windings. The wrapped components are then preferably enclosed in a housing. MOV blocks can be used as the electrical comp...
04/07/1987
4613822Variable high-current electrical load bank with rapid adjustment over a wide range of currents
An adjustable electrical load bank which comprises an upper and lower horizontal, electrically conducting plates mounted parallel to each other on a frame and both electrically insulated from this frame. The lower plate is fixedly mounted on the frame whi...
09/23/1986
4528590Electronic treadle
An electronic treadle (10) for generating an electrical signal proportioned to the degree of angular movement of a pivotally mounted treadle plate (14) includes a base (32) having side portions (26,28) which cooperate with corresponding side members (22,2...
07/09/1985
4290042Controller for electric motor
A controller for electric motors comprises a casing, a carbon pile resistor contained in a through hole of an insulating frame carried by the casing, a U-shaped spring conductor plate with an end secured to the insulating frame, a rotational plate pivotal...
09/15/1981
 
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