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

Icon_funbox Quotables

"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."

Scientific American ; Jan. 2 edition, 1909

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 337/266 - Glow lamp or other incandescent means


Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter wherein the indicating means is specifically
No. of patents: 24
Last issue date: 04/24/2012


NumberTitleIssue Date
8164411Fuse structure with power disconnection light indicating function
A fuse structure includes a casing, a fuse component and a light emitting element having pins. The casing includes a top plate, a containing space disposed below the top plate and two openings formed on the top plate. The fuse component includes two electrically con...
04/24/2012
7394343Blade fuse tester having lamp
A handheld device having a lamp for testing and clipping a blade fuse includes a handle having two probes extended therefrom, a clamp formed on one end of the handle, and an indicator for indicating the condition of the fuse. One of the probes is movably disposed on...
07/01/2008
7049973Compact fused disconnect switch
A fused disconnect switch assembly includes a pull out fuse assembly and a switch housing assembly. The fuse assembly includes a line side conducting portion, a load side conducting portion, and a fuse element therebetween. The switch housing assembly includes a fus...
05/23/2006
6930585Miniature fuse
A box-like case for a miniature fuse comprises a first and second plastic assembling members having the same form, each of the assembling members has a base part provided with a pair of first grooves, a side plate part formed as a unitary one-piece structure as the ...
08/16/2005
6859131Diagnostic blown fuse indicator
The present invention provides a blown fuse indicator. More specifically, the present invention provides a blown fuse indicator adapted for use with multiple element fuses, which provides a perceivable distinction between a blown fuse due to a current overload and a...
02/22/2005
6456189Electrical fuse with indicator
An electric fuse is comprised of a tubular fuse casing formed of an electrically insulating material. A first conductive component is attached to a first end of the casing and a second conductive component is attached to a second end of the casing. A firs...
09/24/2002
6448897Fuse assembly having a warning or indicating device
A fuse device includes two prongs secured in a casing, and a fuse member secured between the prongs. An indicating device is electrically coupled to the prongs or to the fuse member for generating a warning or an indicating signal when the fuse member is ...
09/10/2002
6166618Electrical safety receptacle
An electrical safety receptacle (10) including a dielectric housing (12), first electrical contacts (14) in the housing for electrical connection to one side of an electrical power line, second electrical contacts (16) in the housing for electrical connec...
12/26/2000
6144284Blown fuse indicator cap and method of use
A blown fuse indicator cap which is removably attachable to a pre-existing prior art cartridge type fuse housing, with the cap having indicator means thereon which notifies a user that the fuse has blown and needs replacing....
11/07/2000
6107908Blown fuse commutator strip and method of use
A blown fuse commutator strip which is removably attachable to a pre existing plug-in type fuse, with the commutator strip having an indicator thereon which will notify the user that the fuse has blown and needs replacing....
08/22/2000
5874884Blown fuse indicator circuit including a light housing containing a light source and method of use
Apparatus to illuminate a light source when a fuse has blown and method of use. Apparatus including a circuit having: a power supply source, a switch, a load, a fuse housing containing a fuse and a light housing containing a light source....
02/23/1999
5701118Blown fuse indicator circuit and fuse cap, including a method of use therefore
The present invention is substantially an indicator cap which is removably attachable to a prior art plug-in type fuse, and the cap having an indicator light for signaling that a fuse has blown so as to notify a user of the blown condition of the fuse. Fu...
12/23/1997
5004995Fuse assembly for car
A fuse assembly for a car incorporates therein an indicating bulb having two electrodes in order that the user can easily know that the fuse therein is blasted. The assembly includes a crosssectionally generally rectangular housing having a central room a...
04/02/1991
4772219Adapter base for reed-type fuses
An adapter base for reed-type fuses, of the kind usually installed in fuse carriers on passenger cars, comprises a pair of blades each provided at one end with a socket, and a microlamp having rheophores each connected electrically to a respective one of ...
09/20/1988
4712081Blade fuse assembly with indicator
A fuse is arranged to glow brightly when it blows. The fuse incorporates a bulb positioned snugly in a pocket in a base of the fuse housing, the bulb being connected electrically in parallel with fusible metal strip....
12/08/1987
4695815Automobile fuse with damage indicator
An automobile fuse with damage indicator, in which two conductors of a small indicator bulb are connected in parallel with two conductors of a fusible link so that the bulb does not light as long as the fuse is in good condition; but will light immediatel...
09/22/1987
4673928Fuse cap warning light
A warning light device for blown fuse caps having a photosensitive circuit mounted inside an adapter casing that mounts over and is exposed to the fuse element of the fuse caps. The device is powered by batteries contained inside the casing and includes b...
06/16/1987
4641120Safety fuse assembly provided with an electro-optical indicator device
A safety fuse assembly having a body of insulating material in which a fusible conductor extends embedded in a quenching medium between two electrical contacts. The assembly is provided with an electro-optical indicator connected in parallel with the fusi...
02/03/1987
4527143Safety fuse cartridge
A safety fuse cartridge having only a single through-bore necessary in a porcelain body that forms an inner chamber in which a fuse wire, which is embedded in a bed of sand in the chamber, extends between a lower contact base and an upper contact head. Th...
07/02/1985
4499447Blade terminal fuses with integrity indicator
An integrity indicator formed as an illuminable bead is combined with the pair of flat terminal blades of a miniature plug-in fuse and is positioned in a central window provided in the top wall of the insulator housing thereof. The housing defines a chamb...
02/12/1985
4443780Fuse switch with plural positionable fuse elements
A fuse switch includes a fuse element having a plurality of radiating arms, each arm being positioned, in its turn, above circuit contacts in the switch. The fuse is mounted for rotation, and is controlled by a rachet wheel drive mechanism to change its p...
04/17/1984
4350407Safety lamp plug
A fused plug constituting a safety lamp plug is provided for use with a light string set. A molded plastic body of the plug is formed of joined halves which define a first pair of compartments. Electrodes within such compartments define prongs extending f...
09/21/1982
4035754Fuse box, particularly for motor vehicles
Fuse boxes for motor vehicles, in which fuse elements are carried on a support plate mounted on a box containing a light source. Each fuse element has a region of small cross-section overlying a respective one of a plurality of apertures in the support pl...
07/12/1977
4025888Fuse and visual indicator mounting apparatus
A mounting block comprises a plurality of identically structured mounting cups in which are positioned alternatively a fuse support or a light emitting diode (LED) suport. Each LED is associated with a fuse to provide a visual status display of the fuse. ...
05/24/1977
 
Sign InRegister
Username  
Password   
forgot password?