Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 4406045 | Warning reflector A warning reflector construction is provided comprising a transparent plate having a rear surface opposite a light-entrance surface. The rear surface comprises torus surfaces arranged side-by-side and supporting an outermost reflective layer. The optical ... | 09/27/1983 |
| 4389767 | Method of manufacturing pulverizer rolls A method particularly suited for manufacturing a pulverizer, i.e., grinding, roll (18) of the type that is designed to be embodied in a bowl mill (10) so as to be operative therein for purposes of effecting the pulverization of a material such as coal thr... | 06/28/1983 |
| 4389363 | Method of potting microporous hollow fiber bundles The ends of bundles of microporous tubing may be potted in otherwise conventional manner for assembly as a diffusion device for oxygenation of blood, blood plasmapheresis, or the like. In accordance with this invention, prior to impregnating the bundle en... | 06/21/1983 |
| 4381319 | Method of bonding rotating bands on projectiles A method of bonding a thermoplastic rotating band onto a projectile including the steps of designating, e.g., machining, a band seat zone onto a metallic, e.g., steel, projectile body, coating the band seat zone with a sprayed metallic coating, and applyi... | 04/26/1983 |
| 4368168 | Method for encapsulating electrical components In a method for encapsulating electrical components a cavity plate means is removably positioned between upper and lower mold plates with the upper surface of the cavity plate means flush against the upper mold plate. The cavity plate means has openings f... | 01/11/1983 |
| 4358884 | Tin-base body solder In a preferred embodiment, a method is presented for filling depressions in fabricated steel surfaces by applying a metallic body solder consisting of 14 to 20 weight percent copper, 1 to 7.5 weight percent zinc, 0.5 to 1.5 weight percent iron and the bal... | 11/16/1982 |
| 4351094 | Method of manufacturing a sabot projectile and sabot projectile produced thereby Conventional techniques for fabricating a sabot projectile independently manufacture the projectile and the sabot, and by attachment means these components are secured to one another or held together by a device during molding with a plastic jacket. With ... | 09/28/1982 |
| 4254544 | Method of casting photographic representation having tonal and height contrasts and the article so cast The method of casting a representation of a photograph that includes forming an etched plate through a half-toned screen of the photograph, making a mold cavity of the plate, making a wax impression of the rubber mold with the wax impression not completel... | 03/10/1981 |
| 4227295 | Method of potting the ends of a bundle of hollow fibers positioned in a casing A method of potting the ends of a bundle of hollow fibers positioned in a casing is provided, for example, in the manufacture of hollow fiber artificial kidneys. The bundle is inserted into the casing through an open end thereof and the casing ends are en... | 10/14/1980 |
| 4160309 | Method and apparatus for making battery grids An apparatus for making a battery grid is characterized by a molding die for molding a lead conductor with a plastics frame. The die has runners or channels defining the grid structure, and valves are positioned at the intersections of the channels for th... | 07/10/1979 |
| 4139934 | Process for manufacturing floats for continuous casting The invention relates to floats and to a process for manufacturing floats for the continuous casting of metal alloys and particularly aluminum and alloys thereof, said floats being formed by assembling machined parts of compressed panels of alumino-silica... | 02/20/1979 |
| 4129680 | Chrome dental alloy A process is disclosed for producing chrome alloys in a form suitable for casting dental appliances. A chrome dental alloy which is inherently capable of being processed, prior to casting the appliance, to wrought form by hot working is first fused to for... | 12/12/1978 |
| 4122596 | Magnesium die-cast brake master cylinder A method of fabricating a lighter composite master brake cylinder is disclosed along with the resulting product. A seamless steel tube of critical thickness, closed at one end, and treated by acid etching on its exterior, is oriented vertically within a m... | 10/31/1978 |
| 4115607 | Process of coating aluminum materials molded by extrusion with polysiloxane coating Shaped aluminum bars fresh from an extruder machine are coated with a specific organopolysiloxane composition while remaining uncooled and staying at temperatures not lower than about 250° C, or at a temperature between about 550° and 250° C. The thus ... | 09/19/1978 |
| 4103412 | Method of making a foam filled die cast bat A foam filled die cast metal baseball and softball bat has an all metal skin welded into a unit. The bat is formed by die casting the cylindrical handle and barrel of the bat in one piece and by welding an end cap to the cylindrical barrel to form the uni... | 08/01/1978 |
| 4102033 | Method of producing layer-like clad metal materials A method of producing layer-like clad metal materials is disclosed. The layer-like clad metal material is produced by applying an organic substance consisting mainly of carbon and hydrogen to the surface of a metallic core material having at its surface s... | 07/25/1978 |
| 4077110 | Method for making candles A method for making candles from solid wax including the steps of: sizing, compressing, drilling, and inserting of a wick. Further steps which may be included are coloring and/or adding other candle specializing ingredients such as deodorizing, scenting, ... | 03/07/1978 |
| 4074416 | Mirror and method of making same A mirror, and method of making same, is disclosed. The mirror includes a metallic base material having a low coefficient of thermal expansion, an intermediate layer bonded to the base by a plasma spray process and a reflecting surface overlying the interm... | 02/21/1978 |
| 4055881 | Method of rebuilding an ingot mold A method of rebuilding the eroded area of an ingot mold such as used in casting steel ingots places a metal producing exothermic compound in a cleaned eroded area of the ingot mold to be rebuilt, ignites the compound and confines the molten metal produced... | 11/01/1977 |
| 4034464 | Method of aluminum cylinder head valve seat coating transplant A method of making aluminum castings having a self-fused high silicon content in the interior matrix near and at the surface. A sand core is coated with a tacky, low-ash, low-volatile adhesive along a predetermined zone. Silicon dust particles are deposit... | 07/12/1977 |
| 4031601 | Method of fabricating and mounting a fiberglass fan blade A method of fabricating and mounting a fiberglass fan blade of predetermined configuration which includes the steps of producing a metal hub having a dovetail slot in one end thereof and also having a bore extending from the other end thereof into said sl... | 06/28/1977 |
| 3981688 | Coating for rotary engine rotor housings and method of making A rotor housing for a rotary internal combustion engine is disclosed having a wear-resistant coating system characterized by high temperature hardness stability and controlled porosity to improve the lubricating characteristics of the surface-to-surface e... | 09/21/1976 |
| 3970527 | Electroformation of the running track of a rotary internal combustion engine This invention relates to a method of electroforming the epitrochoidal running track for the rotor of a rotary internal combustion engine. The method involves the electrodeposition of a sequence of plates on a mandrel of epitrochoidal shape and having a c... | 07/20/1976 |
| 3949804 | Method of manufacturing a metal-impregnated body The present invention relates to a method of manufacturing a metal-impregnated body in which a porous body is immersed under sub-atmospheric pressure in a molten alloy for impregnation with said alloy or a porous body is immersed under elevated pressures ... | 04/13/1976 |
| 3938232 | Method of manufacturing catalyst type exhaust gas purifier Method of manufacturing a catalyst type exhaust gas purifier utilizing a divisible vessel to hold an integrated catalyst, while a packing is inserted at the junction between the divisible parts. The space between the vessel and the catalyst is filled with... | 02/17/1976 |
| 3937266 | Method for application of wear-resistant coating A method is disclosed for preparing a coated rotor housing useful in a rotary internal combustion engine. A first mandrel is defined from conductive material such as a chrome-bearing steel. The outer surface of the first mandrel is shaped to be the mirror... | 02/10/1976 |
