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

Icon_funbox Bizarre Patents

Patent No. 6125480

Vehicle mounted toilet seat

An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.

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 338/278 - EDGEWISE COILED HELICAL STRIP RESISTANCE ELEMENT


Subclass of Class 338 - Electrical resistors
Definition: Subject matter wherein a flat ribbon or strip-like resistance
No. of patents: 10
Last issue date: 01/11/2000


NumberTitleIssue Date
6013903Flame reaction material carrier and method of manufacturing flame reaction member
A flame reaction member for a gas appliance has a flame reaction material carrier having a coiled or looped flame reaction material holding portion and flame reaction material carried on the flame reaction material holding portion. When manufacturing such...
01/11/2000
5235311Magnetic variable resistor
A magnetic variable resistor has an elongated band of electrically resistive magnetic material, with the side edges tapered to a sharp point so that the skin effect causes current to migrate to the edges to create greater resistance. A layer of insulating...
08/10/1993
4789773Electrical radiant heater for heating heating surfaces
An electric radiant heater (11) for heating a glass ceramic cooking surface (12) contains a dish-shaped insulator (14), to whose inner bottom surface (18) are fixed heater coils (20). The heater coils have an oval cross-section and are pressed by their na...
12/06/1988
4665377Method of adjusting the values of resistors
A method of adjusting the values of resistors is described wherein regions of a resistive layer provided on a substrate are removed by means of a laser in dependence on the resistance that is required and/or by cutting marks of a specific shape into the r...
05/12/1987
4617547Heater assembly
A heater assembly includes a housing which both channels air flowing around a heating element and provides support structure for the elements holding the heating element. In one embodiment, a lower U-shaped channel has recesses in opposed sidewalls to eng...
10/14/1986
4238756Electric resistance unit
An electric resistance unit characterized by a support rod with a plurality of insulating refractory bodies thereon, which bodies have grooves to fit the rod, a continuous resistance winding mounted around the bodies, and flexible metal mounting means in ...
12/09/1980
4130815Formed heating ribbon and coil
An electric igniting element as used in automobile cigar lighters, jet engine igniters and like devices, comprising a spirally wound tight coil made of metal heater ribbon which is transversely formed to have a cross-sectional configuration roughly simila...
12/19/1978
4038628Electric resistor
An electric resistor assembly for use in motor starters or other electric apparatus characterized by an elongated mounting strap having terminals at both ends respectively for panel mounting, a plurality of insulating refractory bodies on the strap in end...
07/26/1977
4028793Method of assembling helical resistor
A power resistor including a resistance element of metal ribbon formed into an edgewound helix, and an internal three-point support structure axially disposed within the interior of the helix. The support structure includes three insulating assemblies eac...
06/14/1977
4001761Helical resistor and method for assembling
A power resistor including a resistance element of metal ribbon formed into an edgewound helix, and an internal three-point support structure axially disposed within the interior of the helix. The support structure includes three insulating assemblies eac...
01/04/1977
 
Sign InRegister
Username  
Password   
forgot password?