In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7025588 | Utility lighter The present invention relates to a lighter including a housing having a handle at one end and a nozzle at another end and including a fuel supply connected for selective fluid communication with the nozzle. A release member is cooperatively connected to the housing ... | 04/11/2006 |
| 6942138 | Fuel-based appliance with vocal function A fuel-based appliance is equipped with a vocal device. The fuel-based appliance includes a switch installed thereon. The vocal device is installed in the fuel-based appliance. The vocal device includes a circuit board, a chip installed on the circuit board, a speak... | 09/13/2005 |
| 6874498 | Gas powered soldering tool A gas powered soldering tool (1) comprising a handle (2) and a tubular carrier member (15) extending therefrom. A combustion chamber (22) is formed in a distal end (19) of the carrier member (15) within which a catalytic com... | 04/05/2005 |
| 6874671 | Soldering tool A soldering iron capable of eliminating static charges accumulated on an operator or materials to be soldered simply without using no particular charge elimination device, the soldering iron comprising a combustion catalyst for complete combustion of a gas mixture o... | 04/05/2005 |
| 6119681 | Butane heated multipurpose tool including glue gun function A cordless tool which includes a glue gun function and may include other functions includes a sleeve for receiving a stick of hot melt glue for sliding through the sleeve and a tip at the forward end of the sleeve for discharging the glue when melted. A b... | 09/19/2000 |
| 5921231 | Soldering tools A handheld soldering tool has a fuel reservoir or tank (10), a tip (1) heated in use by a catalyst assembly (2), a valve assembly (9) for controlling flow of gaseous fuel from the reservoir (10) to the catalyst assembly (2), and a piezo-electric ignition ... | 07/13/1999 |
| 5803061 | Gas-burned soldering tool A gas burned soldering tool provided with a swivel flame extinguisher controlled to extinguish open flame. The swivel flame extinguisher includes a fixed locating rod, a shaft, a control knob and a stopper respectively and perpendicularly extended from tw... | 09/08/1998 |
| 5799648 | Gas powered heating device A gas powered soldering tool (1) comprising a main body member (4) terminating in a soldering tip portion (8) has a combustion chamber (10) located therein. A gas catalytic combustion element (12) is located in the combustion chamber (10), and fuel gas is... | 09/01/1998 |
| 5771881 | Ignition apparatus and a heating tool A soldering tool (1) comprising a main housing (2) within which is located a fuel gas reservoir (4). A soldering body member (5) terminates in a rearwardly extending combustion chamber (11) within which is located a gas catalytic combustion element (14). ... | 06/30/1998 |
| 5771880 | Multipurpose gas burner A multipurpose gas burner includes a rear housing, a front housing, a pressure regulating device, a control device, a gas release device and an outer tube unit. The rear housing contains a conventional gas container and is provided with a press rod and an... | 06/30/1998 |
| 5620318 | Fuel gas press control device of a gas torch A fuel gas press control device of a gas torch, including a switch mounted on the shell of the gas torch and moved between a circular hole and a sliding slot, a retaining knob mounted in a hole in the switch, a pressure rod fastened to the switch and forc... | 04/15/1997 |
| 5490496 | Electric ignition type handy gas torch An electronic ignition type handy gas torch wherein when the ignition switch is switched on to produce sparks, a sliding sleeve is moved forward to open a radial hole on the gas outlet tube, permitting air to mix with fuel gas within a slotted casing for ... | 02/13/1996 |
| 5408988 | Soldering tool A soldering tool has a tip including a dispersing cylinder contained therein to disperse a gas stream and has a plurality of cooling fins at two sides of intermediate tubes. A hollow mixing tube has a needle hole disk surrounded by a plurality of air orif... | 04/25/1995 |
| 5368475 | Catalyst structures and burners for heat producing devices A catalytic burner for oxidizing gaseous fuel in a catalytic combustion device having a gaseous fuel discharge tube, the burner comprises a tubular catalyst defining a catalytic combustion chamber and having an inlet opening at one end thereof for admitti... | 11/29/1994 |
| 5215456 | Gas combustion method and apparatus A gas combustion method and apparatus for performing such comprises supplying a fuel gas, generating a gas mixture composed of the fuel gas and external air, diffusing the gas mixture through a diffusion member to lower a flow velocity of thereof, putting... | 06/01/1993 |
| 5186619 | Flow rate regulating mechanism for gas lighters and similar devices and method of producing a microcell polymer filter for use therein A flow regulating mechanism for a gas emitting device featuring a microcellular polymer filter having connected, continuous bubbles through which fuel passes and independent air bubbles which expand with increases in temperature compressing and thereby re... | 02/16/1993 |
| 5154322 | Gas heated tool with control valve and refillable container A combustion head for use with a hot melt glue gun includes a glue feed passageway through which hot glue is to pass to a nozzle, and a heating chamber, the glue feed passageway and the heating chamber having a wall in common through which heat is exchang... | 10/13/1992 |
| 5094611 | Catalyst structures and burners for heat producing devices A catalytic burner for oxidizing gaseous fuel in a catalytic combustion device having a gaseous fuel discharge tube, the burner comprises a tubular catalyst defining a catalytic combustion chamber and having an inlet opening at one end thereof for admitti... | 03/10/1992 |
| 5083916 | Fuel combustion apparatus and method A fuel combustion apparatus having means for eliminating liquid fuel emissions at the combustion zone. The apparatus can be used as a open-flame torch, or alternatively it can be used as a soldering tool. The nozzle for an open-flame application, and the ... | 01/28/1992 |
| 5044936 | Gaseous fuel supplying means of an apparatus using the combustion of this gas stored in the liquid phase An apparatus which is heated by a gasified liquid fuel has between the liquid fuel reservoir and a burner, a flow regulator/evaporator consisting of two porous masses separated by a recondensation chamber, the valve for cutting off the combustion being pr... | 09/03/1991 |
| 5007405 | Soldering tool A soldering tool comprises a cylindrical gas tank 10 which stores fuel gas and also encloses the greatest part of a switching and pressure regulating device. This device is composed of a rear barrel assembly 20 which contains a gas intake rod 25, a needle... | 04/16/1991 |
| 4966128 | Gas soldering iron A gas soldering iron comprises a gas cylinder for storage of gas, a lower holder plate fixedly mounted on the gas cylinder at the top, which lower holder plate is connected with a T-shaped mechanism having set therein an elongated conduit tube and a movab... | 10/30/1990 |
| 4920952 | Heat processing apparatus using liquified gas In a heat processing apparatus in which a gas/air mixture is piezoelectrically ignited to heat the combustion catalyst by the ignited flame for taking place subsequent flameless catalytic combustion of the gas mixture, a portion of the gas in the flaming ... | 05/01/1990 |
| 4911143 | Heating appliance with a catalytic burner In a heating applicance with an induced-air catalytic burner, the catalytic burner comprises a refractory core having extending right through it axial conduits for the circulation of the combustible mixture, and dynamic braking means are provided in relat... | 03/27/1990 |
| 4858593 | Soldering tool The invention provides a portable soldering tool which eliminates the drawbacks such as unsteady heating and high fuel consumption of the conventional tools known heretofore. Essentially the soldering tool comprises a housing serving as a handle, wherein ... | 08/22/1989 |
| 4805593 | Gas soldering iron A gas soldering iron includes a soldered joint, an on/off knob, a nozzle, a fibermetallic liner, a nozzle tube, a cooling fin, a nozzle protector, a gas outlet port, a gas refill port, a reservoir, a plastic cover, and a cap. When the on/off knob is pushe... | 02/21/1989 |
| 4785793 | A soldering tool A soldering tool comprising a soldering tip and a handle in which is housed a fuel gas reservoir. Gas is delivered from the reservoir through the handle to a permeable gas catalytic combustion element to heat the soldering tip. The catalytic element exten... | 11/22/1988 |
| 4691691 | Gas powered soldering iron The specification describes a fuel powered soldering iron which includes a self-contained spark generating means. The spark generator, operated by a push-button switch on the body of the soldering iron, is activated in synchronism with a fuel-flow control... | 09/08/1987 |
| 4688551 | Heat processing device using a liquefied gas A heat processing device using a liquefied gas comprises a nozzle for jetting a liquefied gas, a gas mixture generating member disposed at the exit of the nozzle for sucking external air through an external air intake port under the ejector effect of the ... | 08/25/1987 |
| 4688552 | Gas-fired soldering iron A soldering iron comprising a gas container, a combustion chamber, an asbestos pad, a head, cooling fins, a filling button, a gas flow adjustment knob, a trigger, a refill cap, and a gas line. The filling button controls whether or not gas flows into the ... | 08/25/1987 |
| 4648380 | Heating apparatus using liquefied gas A heating apparatus using liquefied gas comprises a control valve which controls the gas flow rate by the rotating operation of a flow rate control member and which is rendered open to discharge a gas under flow rate control from the top end of a cylindri... | 03/10/1987 |
| 4535916 | Glue gun In a glue gun for conducting adhesive bonding by means of a heated adhesive, with a housing having a heating section and an angled handle, a hollow, thermally conductive block being arranged in the heating section for the accommodation of adhesive, the pr... | 08/20/1985 |