Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 4144442 | Process for producing a component part of a railway switch or a railway crossing and component part of railway switches or railway crossings produced by such process Process for producing a component part of a railway switch or of a railway crossing in which frogs consisting of austenitic manganese steel casting are, with interposition of an intermediate piece, connected by a welding operation with rails consisting of... | 03/13/1979 |
| 4137445 | Stud receiver A stud welding gun having means for automatically feeding studs to the barrel of the gun is provided with a stud receiver which facilitates removal of jammed studs from the device.... | 01/30/1979 |
| 4130751 | Metal ornamentation and method of welding A part structure adapted for attachment to a metal base by welding, particularly an ornament for attachment to an automobile body. The part structure or ornament is a metallic, electrically conductive member and has at least one weld stud affixed thereto.... | 12/19/1978 |
| 4092514 | Method for welding through paint Relates to a method of and apparatus for electric welding through insulation coatings, such as paint, on metallic surfaces by directing a vapor jet of paint solvent upon a selected area of a painted metal surface to first soften and then vaporblast the so... | 05/30/1978 |
| 4074103 | Apparatus for welding studs to workpieces A method and apparatus for welding studs to workpieces are provided. The invention is particularly concerned with welding studs to workpieces made of materials having relatively low electrical resistance but covered with layers of other materials having h... | 02/14/1978 |
| 4045643 | Bolt welding gun In a bolt welding gun, a tubular bolt holder is positioned on the front end of the gun body and is threadedly connected to the tubular front part of a slide-in unit. The position of the bold holder is axially displaceable relative to the front part. A nut... | 08/30/1977 |
| 4032742 | Stud welding gun and method of operation A welding terminal operable to arc weld to a work piece a stud thereafter drive an element prethreaded to the stud. In one embodiment, the welding terminal may be adapted to cooperate with a guide to facilitate engagement with the prethreaded element, and... | 06/28/1977 |
| 4031350 | Method of resistance welding The present invention is directed to an improved integral sheet metal welding pin particularly adapted for use with automatic welding machines of the type in which pins are stored in random fashion in a hopper. The pin incorporates a shank adapted to be a... | 06/21/1977 |
| 4019013 | Apparatus for welding studs The welding of studs by a drop technique is provided, including provisions for the rapid feeding of the studs to a chuck. In this type of welding, a stud is held a predetermined distance above a workpiece with an electrical potential established therebetw... | 04/19/1977 |
| 4002876 | Stud welding tool with retraction mechanism A welding tool is set forth for end welding studs to workpieces. The tool is primarily designed to end weld small studs having precisely-formed tips. The stud is held by a chuck connected to a chuck leg with an electrical coil holding the chuck leg in a r... | 01/11/1977 |
| 3997754 | Process for the manufacture of a heat exchange tube with surfaces provided of radial welded studs A welding head is provided having a bore substantially larger than the sh of a rivet to be welded, and having a conical aperture for receiving the stud head. A copper-free sheath is disposed in the bore for receiving and locating the stud shank. In a pre... | 12/14/1976 |
| 3996446 | Attachment members arranged for weld fastening to a metallic base Small attachment members, such as clamps, mounting bars, identification plates, lugs and the like, are formed of shaped walls with at least one welding projection stamped from the wall arranged a contact the metallic base which projection limits the arc i... | 12/07/1976 |
| 3993237 | Method for providing high-temperature internal insulation A ceramic fiber mat attached to the interior wall or surface of a high temperature chamber of furnace or adapted to overlie an intermediate insulating member positioned between the mat and a furnace wall, the fibers in the mat lying in planes generally pe... | 11/23/1976 |
| 3993887 | Stud and method of welding same to a boiler tube Boiler tube studs and a method of welding the studs to boiler tubes are provided. Boiler tubes have a multiplicity of studs welded thereto and extending outwardly therefrom, with refractory material placed over the studs and held thereon to protect the bo... | 11/23/1976 |
| 3992602 | Resistance welding apparatus and method In combination with conventional apparatus for joining members of aluminum or other electrically conducting material by resistance welding, adjustable supports for arranging the work-contacting electrodes in spaced proximity to the work, and circuitry for... | 11/16/1976 |
| 3989920 | Underwater stud welding gun A conventional stud-welding gun has been modified to allow it to be used for welding under water. The stud is contained within a water-tight enclosure formed at the end of the gun by pressing the seal at the end against the object to which the stud is to ... | 11/02/1976 |
| 3975611 | Trim fastening An article of manufacture having a synthetic, thermoplastic substructure, a metallic plating on the external surface of the substructure, and a metallic stud joined to the article in contact with the plating, is adapted to be electrically welded to a meta... | 08/17/1976 |
