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

Icon_funbox Bizarre Patents

Patent No. 6266829

Combination Beverage Container and Spittoon

A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.

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 431/362 - Electrically ignited primer ignites charge


Subclass of Class 431 - Combustion
Definition: Apparatus having a small quantity of a substance which (a)
No. of patents: 56
Last issue date: 11/01/2005


1    
NumberTitleIssue Date
6960320Oil burning lamps and related systems
An exemplary oil burning lamp comprises a reservoir configured for storing a supply of oil, a base, a burner tube and a wick. The base is being sized and shaped to receive the reservoir. The burner tube is movably mounted to the reservoir between a retracted positio...
11/01/2005
6935241Method of producing a device containing pyrotechnical material and device obtainable by this method
A method of producing a device containing pyrotechnical material comprises the following steps: providing a tubular housing element with a base and metal ducts incorporated in the base, with the housing element and the base being integrally formed of glass and the h...
08/30/2005
5871344Flash lamp array with porous vent
A compact flash lamp array includes a housing defining a plurality of cavities, with each cavity having a light emitting opening and a combustible mass deposited in each cavity. A firing means such as an electrically heated filament or percussive primer i...
02/16/1999
5821451Photoflash particle mixture
The invention relates to a photoflash mixture comprising a mixture of particles of zirconia and at least one oxidizer, wherein said zirconia particles comprise a mixture of smaller particles between about 2 and 10 μm diameter, and larger particles betwee...
10/13/1998
4778376Gas ignition
A method of gas ignition comprises energizing a permeable, porous electric heating element to an appropriate temperature for igniting a gas, and allowing the gas to contact the heating element....
10/18/1988
4696641Primer material and photoflash lamp
An improved primer material for use in a high-voltage photoflash lamp is provided. The primer material includes electrically insulating beads which have been coated with a friction-reducing material. The primer also includes an oxidizing agent, and a bind...
09/29/1987
4659308Photoflash lamp with improved primer
A high-voltage photoflash lamp is provided wherein the lead-in wires are electrically insulated from the metallic shreds therein by including electrically insulating beads in the primer material. The primer also includes combustible metal powder, an oxidi...
04/21/1987
4614494Primer insulating base
A high-voltage photoflash lamp is provided wherein the primer material is electrically insulated from the metallic shreds therein by an adherent layer of hollow electrically insulating beads. The layer of hollow beads is contiguous to the surface of the p...
09/30/1986
4457700Electrically-activated photoflash lamp excluding a press-sealed end portion
An electrically-activated photoflash lamp which includes a lead glass envelope, a quantity of shredded zirconium or hafnium combustible material within the envelope, a combustion-supporting gas (e.g., oxygen) also within the envelope, and an ignition stru...
07/03/1984
4445847Photoflash lamp
A photoflash lamp, particularly a miniature flashlamp, having improved light output and comprising an envelope having a base portion with an inner concave shape with a pair of spaced leads positioned within the base. A primer is deposited in the envelope ...
05/01/1984
4432725Subminiature flashlamp mount design
A photoflash lamp has an envelope containing a filamentary combustible material in a combustion-supporting atmosphere and is positioned adjacent an ignition means having a pair of electrical conductors sealed into one end of the envelope and bent to form ...
02/21/1984
4432724Photoflash lamp including improved ignition means
An electrically-activated, subminiature photoflash lamp including a glass envelope, a quantity of combustible shred material (e.g., zirconium or hafnium) for providing high intensity light output upon ignition thereof, and an ignition means for igniting t...
02/21/1984
4424020Miniature photoflash unit using subminiature flash lamps
An electrically-activated, miniature photoflash unit which includes a plurality (e.g., ten) of subminiature high voltage flash lamps arranged in a planar array. A singular mounting tab protrudes from the unit's housing and serves to connect the entire arr...
01/03/1984
4421493Method of making photoflash lamp
A method of making a photoflash lamp wherein an elongated piece of glass tubing is sealed at a first end thereof to secure a pair of lead-in wires therein. Thereafter, a first quantity of primer material is positioned within the glass tubing through a sec...
12/20/1983
4403973Photoflash lamp structure and fabrication process
A photoflash lamp includes a glass envelope having a pair of electrical conductors forming a recessed seal with a primer material bridging the electrical conductors and extending into the recessed seal to contact the electrical conductors. Also, a process...
09/13/1983
4388065Combustion flash bulb
High voltage-ignited combustion flash bulbs according to the invention have a first current conductor which extends into a mass of metal strips. The first current conductor is connected inside the envelope to a second current conductor 4 by means of an ig...
06/14/1983
4382775Miniature photoflash lamp and method of making
A miniature photoflash lamp which includes a plastic, light-transmitting envelope and a quantity of a flash-producing composition therein. The composition includes a powdered metal (e.g., zirconium) and a powdered oxidizer (e.g., potassium chlorate) with ...
05/10/1983
4381915Filament-type lamp primer and fabrication process
A filamentary-type photoflash lamp suitable for use with a relatively low voltage high current power source includes a glass envelope with a shredded metal fill, a pair of leads interconnected by a filament wire and a primer having percussively-ignitable ...
05/03/1983
4369028Photoflash lamp
A high-voltage type photoflash lamp having an ignition structure including an improved primer material for the reliable ignition of filamentary combustible material distributed within the oxygen-filled envelope of the lamp. The primer material comprises a...
01/18/1983
4363622Combustion flashbulb
Combustion flashbulbs according to the invention have a light-pervious lamp envelope (1) filled with a tangled mass (5) of actinically combustible metal strips and an oxidizing gas. Current supply conductors (2, 3) are coated on parts situated within the ...
12/14/1982
4348173Subminiature photoflash lamp with spaced-apart, light-emitting pyrotechnic charges
A subminiature photoflash lamp which includes a pair of pyrotechnic charges centrally disposed in a parallel, spaced relationship within the lamp's plastic, light-transmitting envelope. Each charge is supported on a respective one of the ends of the lamp'...
09/07/1982
4347053Photographic flash device using light-emitting pyrotechnic charges
A photographic flash device which includes several pyrotechnic charges for emitting light upon electrical ignition thereof. Each charge is centrally suspended within an individual chamber located within the device's light-transmitting, plastic housing. Th...
08/31/1982
4342553Glass to nickel-iron alloy seal
A range of borosilicate glass compositions which are capable of sealing effectively to nickel iron alloys containing up to approximately 52% nickel to form a hermetic seal resistant to thermal shock breakage. The glass is in the composition range percent ...
08/03/1982
4341513Subminiature photoflash lamp having light-emitting pyrotechnic charge
A subminiature photoflash lamp which includes a pyrotechnic charge centrally disposed within the lamp's plastic, light-transmitting envelope. The charge is supported on the ends of the lamp's ignition means and is of a disklike, planar configuration to pr...
07/27/1982
4315733Photoflash lamp with loose powder composition and method of making
A photoflash lamp which includes a plastic envelope having a flash-producing composition therein. The composition, in loose powder form, is held in position within the envelope prior to ignition by a removable retention means (e.g., cup-shaped paper wad o...
02/16/1982
4314394Photoflash lamp construction and method of making same
A high-voltage type photoflash lamp filled with a filamentary combustible material and oxygen and having an ignition structure including a pair of spaced-apart lead-in wires sealed in one end of the glass envelope of the lamp and encapsulated within an in...
02/09/1982
4311453High voltage flashlamp with ignition means including a plurality of spark gap members
A high voltage, electrically-activated flashlamp which includes an improved ignition means comprising a pair of lead-in wires, a glass or ceramic insulator positioned on the ends of the wires, and a plurality of spark gap members arranged in either an ann...
01/19/1982
4302182Photoflash lamp
A high-voltage type photoflash lamp having an ignition structure including an improved primer material for the reliable ignition of filamentary combustible material distributed within the oxygen-filled envelope of the lamp. The primer material comprises, ...
11/24/1981
4278420Photoflash lamp, method of making same, and photoflash circuit
An electrically-activated photoflash lamp which includes a glass envelope, combustion-supporting (e.g. oxygen) atmosphere, a quantity of filamentary combustible material (e.g. zirconium), and an ignition means including a pair of spaced leads sealed withi...
07/14/1981
4270897Photoflash lamp construction and method of making same
A high-voltage type photoflash lamp filled with a filamentary combustible material and oxygen and having an ignition structure including a pair of spaced-apart lead-in wires sealed in one end of the glass envelope of the lamp and encapsulated within an in...
06/02/1981
4233023Photoflash lamp having expandable burning volume
A photoflash lamp of generally flat configuration for providing compact containment of metal fuel and solid oxidant includes a plate member having a recess therein. An expandable sheet member is formed over, and affixed to the plate surface adjacent to th...
11/11/1980
4229161Photoflash lamp and method of making
An electrically-activated photoflash lamp which includes a thin member (e.g. a mica disk) therein located between the lamp's combustible shreds and primer material. The disk prevents the shreds from contacting the primer material and any portions of the l...
10/21/1980
4226583Photoflash lamp with knurled foil strip
A long-duration photoflash lamp comprising a sealed glass bulb containing a gas filling of oxygen and nitrogen, an ignition filament, and a corrugated strip of magnesium foil having a knurled surface for optimizing usable light output....
10/07/1980
4217089Photoflash lamp
A photoflash lamp in which the combustible material within the lamp envelope comprises a plurality of filaments released from the periphery of a rotating heat-extracting disk in contact with a melt of suitable combustible material, such as hafnium, zircon...
08/12/1980
4204834Leadless electric flash lamp
A flash lamp which is electrically activated using capacitive coupling between a pair of conductors located externally of the lamp's glass envelope and a respective pair of conductors located within the envelope. A quantity of primer material, also locate...
05/27/1980
4190413Photoflash lamp
A high-voltage type photoflash lamp having an ignition structure including an improved primer material with enhanced breakdown voltage characteristics for the reliable ignition of filamentary combustible material distributed within the oxygen-filled envel...
02/26/1980
4174944Single lead electrically-activated flashlamp
An electrically fired flash lamp which utilizes a single conductive lead member. The lead protrudes within the lamp's envelope and is covered by a quantity of primer material. A conductive coating (e.g. tin oxide) covers a major portion of the external su...
11/20/1979
4158878Means for electrically contacting flash lamp having external conductive coating
Several means are described for providing an electrical coupling path through a protective, insulative layer, e.g. cellulose acetate, located on an electrically activated flash lamp envelope. The function of the path is to interconnect a thin conductive c...
06/19/1979
4128858Multiple flashlamp system
A multiple photoflash system is provided which employs a high voltage type flashlamp construction, including a shorting primer material. The primer material is converted to a conductive residue upon ignition of flashlamp to provide a short circuit path be...
12/05/1978
4105392Photoflash lamp
A high-voltage type photoflash lamp filled with a filamentary combustible material and oxygen and having an ignition structure comprising a pair of spaced apart lead-in wires bridged at their inner ends by a mass of primer material. An insulating sleeve e...
08/08/1978
1    
 
Sign InRegister
Username  
Password   
forgot password?