Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 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 |
| 6010329 | Heat gun with high performance jet pump and quick change attachments A jet pump for a heat gun includes an elongate hollow pump body lying along a longitudinal axis. The pump body has an inlet, a mixing section and an outlet. A nozzle unit is axially aligned with the inlet for directing pressurized fuel into the inlet of t... | 01/04/2000 |
| 5741128 | Hand gas torch A hand gas torch which includes a fuel gas tank having a gas outlet, gas flow rate control valve assembly mounted in the gas outlet of the fuel gas tank and controlled by a gas lever to open a fuel gas passage, a casing fastened to the fuel gas tank aroun... | 04/21/1998 |
| 5725369 | Gas torch having a gas regulating device A gas torch having a body provided with a connected socket to install a gas-can thereof. A control device is connected to top of the body to control the supply and shutoff of the gas flow. The body is connected with a regulating device to ensure a complet... | 03/10/1998 |
| 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 |
| 5573393 | Burner A burner including a storage tank, a gas outflow means, a pressure regulating means, a control means, a hood, a selectively replaceable gas ejecting base, a gas diffusion burner head and/or a firing means. When in use, a control knob is firstly turned so ... | 11/12/1996 |
| 5466149 | Heating torch An improved heating torch including a barrel, a top mounting, a gas release device, a flame device and a casing unit. After assembly, by turning a switch button, the flow of fuel gas and initiation of a piezoelectric device to start ignition may be contro... | 11/14/1995 |
| 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 |
| 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 |
| 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 |
