Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7292823 | Bluetooth headset in-car holder/car kit A Bluetooth headset in-car holder/car kit has a main body having an end formed into a pivoted plug for plugging in a cigarette lighter on a vehicle to obtain a power supply, and another end into a holding seat for a wireless Bluetooth headset to seat therein. The ho... | 11/06/2007 |
| 7145103 | Car cigarette lighter with light indicator A car cigarette lighter with a light indicator includes a power socket and a cigarette lighter. The car cigarette lighter is characterized in attaching an external sleeve to a bottom tube of a handle, and installing a circuit board in electric connection with a circ... | 12/05/2006 |
| 7112765 | Food cooking container with monitoring means for monitoring the operating temperature thereof A food cooking container, with means for monitoring the operating temperature thereof, comprises, in the handle support (3) and/or in the handle (2) of the container, temperature monitoring and indicating means for monitoring and indicating a preset op... | 09/26/2006 |
| 6794613 | Lighter assembly The present invention provides a lighter assembly for use in a receptacle. A rigid elongate body is frictionally retained in the receptacle and an engaging arm projects into an axial passage way. An item to be lit engages the engaging arm, which completes a switch a... | 09/21/2004 |
| 6695136 | Automobile case cigarette with electric lighter An automobile cigarette case with electrical lighter for dispensing lit cigarettes to the driver of an automobile, having a substantially rectangular case housing which is selectively mountable on the dashboard of an automobile. The case housing contains ... | 02/24/2004 |
| 6538236 | Luminous cigar lighters A motor vehicle cigar lighter of the luminous type comprises a lighter body which is a receptacle for a luminous and removable heating plug which consists of a fixed part and a moving part. The moving part is displaceable axially in the fixed part. The mo... | 03/25/2003 |
| 6444953 | Automatic restricted access cigarette lighter An automatic cigarette lighter comprises a thermal resistance element mounted in a sealed case and powered by a switch activated power supply. Operation of the thermal resistance element is controlled by a timer to heat for a predetermined time after acti... | 09/03/2002 |
| 6385507 | Illumination module An illumination module (20) for illuminating an object (10) comprises a number of illumination rings (62, 64, 66) each comprising a number of radiation-generating elements (50) which are all arranged on a flat plate (42). For each ring, a light guide (72,... | 05/07/2002 |
| 6153861 | Heating element for lambda sensors A heating element, preferably for oblong plate-shaped sensors for measuring oxygen concentration in internal combustion engine exhaust gas, has a conductive heating strip at one end of the heating element and electrical conductors which are connected elec... | 11/28/2000 |
| 5998764 | Illuminating and fastening sleeve for a cigar lighter comprising a fastening tongue extension for facilitating easy removal The illuminating sleeve has at least one fastening tongue which is extended towards its front collar portion, so as to pass through the aperture in the fixed wall to which the illuminating sleeve is fastened.... | 12/07/1999 |
| 5902501 | Lighter actuation system The present invention provides a cigarette identifier system comprising a coil at a location along the cigarette-receiving receptacle of the lighter, an oscillation circuit in communication with the coil and a controller configured to activate or deactiva... | 05/11/1999 |
| 5883360 | Ceramic heater ceramic glow plug and method of manufacturing the ceramic heater A ceramic heater includes a silicon nitride ceramic and a heating element embedded in the ceramic. The heating element is formed through use of, as a main component, a silicide, carbide, or nitride of at least one element selected from the group consistin... | 03/16/1999 |
| 5804796 | Ignition system with resistance value difference fire extinction detection circuit In an ignition system for sensing a change in a resistance value during a combustion of a heating resistive element and detecting a fire extinction, a resistance value of the heating resistive element is sensed by a resistance value detecting circuit at a... | 09/08/1998 |
| 5726421 | Protective and cigarette ejection system for an electrical smoking system An ejection system is provided which has a mechanism such as a plunger which is positioned to eject at least a portion of a cigarette from the lighter cavity upon actuation by a smoker. The plunger is also positionable to occlude the lighter opening to pr... | 03/10/1998 |
| 5144111 | Electric cigar lighter with bimetallic snap active temperature controlled switching off An electric cigar lighter for installation in a dashboard of a motor vehicle, has an electrically conductive lighter plug containing an electrically conductive glow coil dish with a glow coil having one end electrically connected to the glow coil dish and... | 09/01/1992 |
| 5093554 | Automatically fittable and illuminated electric cigar lighter An electric cigar lighter which can be fitted and illuminated automatically is disclosed. A reduction in parts of the electric cigar lighter, with the product being easier to fit in a dashboard, is achieved when the holding cup is additionally designed as... | 03/03/1992 |
| 5029048 | Illuminated electric cigarette lighter which can be automatically assembled An illuminated electric cigarette lighter which can be assembled automatically includes a beaker-shaped clamping sleeve which encloses a socket preassembled therein and has an arrangement of a lamp and of contact parts which is central and near to the axi... | 07/02/1991 |
| 4650962 | Cigar or cigarette lighter, particularly for motor vehicles A cigar or cigarette lighter, particularly for mounting on the instrument panel of a motor vehicle, is effective to light the cigar or cigarette when a control knob is moved within a cylindrical casing, the control knob being connected to a metal rod whic... | 03/17/1987 |
| 4549070 | Combined cigarette and chart/map lighter A combined cigarette and chart/map lighter includes a elongated plug body which is adapted to cooperate with a socket connected to a source of electrical energy. An ignitor coil and cup are formed at a first end of the plug body, and a lamp socket, for re... | 10/22/1985 |
| 4527048 | Multi-piece clamping shell for electric cigar lighters A two-piece metal clamping shell for electric cigar lighters of the type employed in automobiles and other vehicles wherein a socket is carried in an aperture of the vehicle dashboard or other panel and an igniting unit or plug is receivable in the socket... | 07/02/1985 |
| 4500774 | Car cigar lighter The car cigar lighter of the present invention has such construction that it can easily be mounted on the panel nearby the driver's seat of a car and is superior in the operating ease and safety. Namely, it is characterized in that a holder and a position... | 02/19/1985 |
| 4456817 | Cigar lighter A cigar lighter, particularly for motor vehicles, comprising a plug body, which is insertable into a socket provided with current supply connections and in which an electrical heating element is mounted. An actuating device for switching current on, an in... | 06/26/1984 |
| 4293761 | Cigarette lighters, particularly for motor vehicles A cigarette lighter, particularly for mounting on the dashboard of a motor vehicle, having a control knob mounted for sliding movement within a cylindrical casing and acting through a spring upon a control rod extending up to and in engagement with a pivo... | 10/06/1981 |
| 4270038 | Cigarette lighter with a built-in battery checker A cigarette lighter with a built-in battery checker for use in automobiles which comprises two parts, one being a heater part in which a movable body provided with a heater at the tip of a push nob is mounted slidably in reciprocal front and rear directio... | 05/26/1981 |
| 4008385 | Automobile cigarette lighter The dashboard of the automobile has an opening through which a tubular casing projects behind the dashboard. On the casing is a bell having a tubular extension telescoped on the casing. The bell, its extension and the casing are clamped to the dashboard. ... | 02/15/1977 |
| 3975619 | Illuminated electric cigar lighter This invention relates to cigar lighters of the removable igniting unit type. According to this invention the core of the knob mounted on the igniting unit is made of a material having the property of piping light. A lamp housing is mounted on the sleeve ... | 08/17/1976 |
