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 |
| 7775076 | Pinch-point lock-seam tubing, pinch point seaming devices, and methods for manufacturing stabilized lock-seam tubing Many types of stabilized lock-seam tubing are provided, as well as devices, apparatus and methods for producing such stabilized tubing. Advantageously, pinch-locked tubing according to the invention, which comprise interlocking, spaced pinched deformations of the lo... | 08/17/2010 |
| 7549310 | Mandrel assembly for manufacturing tubular products A mandrel assembly for manufacturing a tubular product, including: a first plate, a cantilever drive roller extending from the first plate, at least one cantilever idler roller extending from the first plate, and mechanism for rotating the drive roller whereby, in u... | 06/23/2009 |
| 7451629 | Spiral pipe machine A spiral pipe machine includes a feeding assembly for continuously feeding a web of material, and a forming assembly for accepting the web. The forming assembly bends the web to form a first section of a spiral pipe having a first predetermined diameter. A controlle... | 11/18/2008 |
| 7404308 | Apparatus for producing helically corrugated metal pipe and related method A pipe manufacturing system and method for producing helically corrugated metal pipe is provided. The system and method utilize controlled profile formation. ... | 07/29/2008 |
| 7257932 | Light weight building material The present invention relates to a light weight building material (1) for structural work. The light weight building material (1) comprises at least three walls, a first wall (11), a second wall (12) and a third wall (13) formed fr... | 08/21/2007 |
| 7225654 | Canasta for forming tubes of different diameters In one embodiment, the subject invention includes a frame 10 comprising a front plate, a rear plate, a generally circular passage which extends through the frame, and rollers arranged, circumferentially positioned about the passage. The rollers are suspended ... | 06/05/2007 |
| 7168364 | Method and apparatus for marking workpieces A method and an apparatus are provided for marking a sheet-shaped workpiece using a marking tool. The marking tool is mounted in a punch holder of a punch press and a counter-support is fixed in place on a side opposite of a marking surface of the workpiece to be ma... | 01/30/2007 |
| 7137281 | Process and apparatus for forming oversized circular pipe A process for forming oversized circular pipe has the steps of affixing an elliptically-shaped forming head onto a spiral pipe forming machine, driving a metal strip along the forming head such that the metal strip takes on a shape of the forming head, moving said m... | 11/21/2006 |
| 7117702 | Mobile pipe mill A portable apparatus for forming pipe from helical convulsions of elongated sheet metal. A decoiler, rolling portion and pivot are mounted on a trailer, with a rigid frame extending from pivot and being laterally pivotable at the pivot in relation to the trailer. A ... | 10/10/2006 |
| 7107807 | Roll forming machine A roll-forming machine includes in line a device (11) for unwinding metal strip (10) from a strip reel (12), a strip cutter (18), and a roll-forming section (30; 90). The roll-forming section includes a row of forming stations that... | 09/19/2006 |
| 7089772 | Adjustable horn for spiral pipe forming machine An adjustable horn or mandrel for a spiral pipe forming machine. Such machines are made for continuously forming metal pipe from an elongated sheet of metal where the sheet is curled into adjacent helical convolutions in a multiple roll pipe forming head. The head i... | 08/15/2006 |
| 6997026 | Quick change metal stud to hemmed track roll forming system An apparatus and method for selectively forming metal stud and track members from sheet material, the apparatus including a stud forming assembly capable of transforming the sheet material into a stud member as the material exits the stud forming assembly, and a tra... | 02/14/2006 |
| 6926189 | Welding method and apparatus An apparatus for welding closed one end of each of a multiplicity of open-ended tubes suitable for use as brachytherapy capsules includes a welding station having a welding position for welding closed one end of a tube, a rotatable platform having an outside edge, a... | 08/09/2005 |
| 6701762 | Canasta for forming tubes of different diameters In one embodiment, the subject invention includes a frame 10 comprising a front plate, a rear plate, a generally circular passage which extends through the frame, and rollers arranged, circumferentially positioned about the passage. The rollers are suspen... | 03/09/2004 |
| 6497633 | Continuous manufacture of push type CVT belt bands utilizing spiral winding & welding to form tube and slitting tube to form band of predetermined width A method for the manufacture of a band for use in a CVT transmission. The band is formed by spiral winding a thin strip into a continuous tube and then welding the thin strip along the spiral winding. The individual bands are cut off of the continuous tub... | 12/24/2002 |
| 6460236 | Apparatus for producing wrapped slip tubes An apparatus for producing wrapped slip tubes from ribbon material (3), which consists of metal at least in part, comprising a profiling device (4) for forming seam edges (3a, 3b) of the ribbon material (3), at least one guiding surface (6a) for guiding t... | 10/08/2002 |
| 6453710 | Method and apparatus for manufacturing a helically-wound lock-seam tube having air nozzles In a method of manufacturing a helically-wound lock-seam tube for a ventilation duct system, the tube is provided with a plurality of air nozzles through its wall. The method involves the steps of: feeding a strip of sheet metal from a supply to a punchin... | 09/24/2002 |
| 6339945 | Apparatus for forming tapered spiral tubes Apparatus for forming tapered spiral tubes from strips, is disclosed. The apparatus comprises a spiral tube forming system for forming a strip into a spiral tube; a strip infeed system adapted for feeding a strip to the pipe forming system; and computer-c... | 01/22/2002 |
| 6295853 | Spirally formed pipe cutter with driving mechanism to actively rotate inner knife A method and apparatus for cutting spiral pipe is disclosed. The pipe cutting apparatus includes a driving mechanism that imparts rotation to a knife located inside the spiral pipe via a drive element, such as a drive shaft. The method includes forming a ... | 10/02/2001 |
| 6282933 | Method of manufacturing a metal carcass for a flexible pipe or umbilical Method of manufacturing a metal carcass for flexible pipe or umbilical comprising shaping a band of metal strip and then helically winding it to form the metal carcass which, in cardioid mode, has a given collapse strength, wherein the metal strip is work... | 09/04/2001 |
| 6256851 | Arrangement for shaping a helical tube An apparatus for forming a helical tube (18), including a first stamping station for producing a flange on a metal strip (11), a forming tool (17) in which the flanged metal strip is formed to a helical configuration and adjacent side edges are crimped to... | 07/10/2001 |
| 6192726 | System and method for corrugating spiral formed pipe A method and apparatus for forming corrugated pipe is disclosed. The pipe forming apparatus includes a selectively operable corrugation module having an inner corrugation roller movably mounted relative to an outer corrugation roller via a cylinder assemb... | 02/27/2001 |
| 6145732 | Cylindrical helical seamed tube and method and apparatus therefore A cylindrical helical seamed metal tube wherein the seam thereof is at an angle of between 1 and 25 degrees with respect to the axis of the tube. A method of making the tube comprises the steps of continuously feeding the metal strip into a tubing former ... | 11/14/2000 |
| 6067829 | Wire-spiralling machine A wire-spiralling machine continuously produces a tubular structure comprising a spiral winding, particularly a pressure-armor layer, from two noninterlocking wires of large cross section delivered from two reels of wire and two locking wires delivered fr... | 05/30/2000 |
| 6006565 | Hydraulically efficient ribbed pipe and method of making thereof A pipe formed from a continuous, cold rolled, lock seam quality, sheet steel, having a spiral rib. The pipe may be protected by an abrasion or corrosion resistant coating. The pipe is normally used for storm drains, culverts, sewer lines or HVAC. A closed... | 12/28/1999 |
| 6000261 | Method and apparatus for portable spiral pipe manufacturing A machine for spirally forming pipes that is readily transportable to various locations. The machine is mounted to the surface of a conventional tractor-trailer arrangement and includes an uncoiler assembly with a structural extension arrangement for tran... | 12/14/1999 |
| 5881442 | Apparatus for making a double-walled structure In an apparatus for producing a double-walled structure, such as a silencer for use in a ventilation duct system, use is made of an arrangement having a forming head for forming helically-wound lock-seam tubing. In the forming head, a perforated metal str... | 03/16/1999 |
| 5860305 | Pipe cutter with dual outer cutting knives and method A pipe cutter having dual outer knives and a method of using the same is disclosed. The outer knives are mounted on knife positioners capable of swinging the outer knives into a pipe in an arc to overlap with a knife positioned inside the pipe. The method... | 01/19/1999 |
| 5768928 | Method of making an hydraulically efficient ribbed pipe A pipe formed from a continuous, cold rolled, lock seam quality, sheet steel, having a spiral rib. The pipe may be protected by an abrasion or corrosion resistant coating. The pipe is normally used for storm drains, culverts, sewer lines or HVAC. A closed... | 06/23/1998 |
| 5737832 | In and relating to machines for forming helically wound lock-seam tubing having multiple wall thickness This invention pertains to a machine for forming helical lock-seam tubing. The machine includes rollers for forming flanges on edges of laterally staggered overlapped strips, a forming head for forming the strips into a helical configuration, rollers for ... | 04/14/1998 |
| 5636541 | Apparatus for forming and cutting spiral pipe An improved apparatus for forming and cutting spirally formed pipe, particularly spiral pipes having a diameter of approximately one inch or less, is disclosed. The device for slitting the spiral pipe into sections includes a first knife that is positione... | 06/10/1997 |
| 5609055 | Method and apparatus for cutting and notching a hollow pipe An apparatus for simultaneously cutting and notching a pipe includes an upper knife assembly having a pipe cutting knife and notch cutting knives with cutting edges adjacent a surface of the pipe and a lower knife assembly having a pipe cutting knife and ... | 03/11/1997 |
| 5606884 | Method and apparatus for producing helically-wound lock-seam tubing with reduced lubrication In a method and an apparatus for producing helically-wound lock-seem tubing from a metal strip having longitudinal edge portions, the strip is fed to a forming head and formed into helical shape. A lubricant is locally supplied on that side of the strip w... | 03/04/1997 |
| 5477717 | Apparatus for cutting helically wound metal tubing A cutting apparatus usable in a machine having a forming head for helically winding a metal strip into a helically wound metal tubing and for issuing the helically wound metal tubing along a defined path. The apparatus includes a first mounting for suppor... | 12/26/1995 |
| 5257521 | Apparatus and method for cutting spiral pipe An apparatus and method for cutting a pipe includes first knife means having a cutting edge adjacent a surface of the pipe and second knife means having a cutting edge adjacent an opposite surface of the pipe. To cut the pipe, the first knife means is mov... | 11/02/1993 |
| 5193374 | Apparatus for cutting spiral pipe An apparatus for cutting spirally formed pipe is disclosed. The pipe cutting apparatus has an inner knife positioned inside a pipe and an annular outer knife positioned outside the pipe. The inner knife moves from an inner position within the pipe to an o... | 03/16/1993 |
| 5108283 | Apparatus for winding pipes The pipe winding apparatus includes a stationary cage formed by rods between two rings. The speciality is that at least a number of the cage rods is located oblique between the rings by the pitch of the strip to be wound helically and is driven such that ... | 04/28/1992 |
| 5105639 | Apparatus for forming spiral pipe An apparatus for forming and slitting spirally formed pipe, particularly spiral pipes having a diameter of approximately one inch or less, is disclosed. The pipe forming apparatus includes an enclosed forming head and a mandrel. A continuous strip of meta... | 04/21/1992 |
| 5079938 | Process and apparatus for producing a helically seamed pipe Disclosed is a process and apparatus for producing helically-seamed pipes of any cross-sectional shape. The pipe is produced from a flat strip of material marked at intervals that are a derivative of the circumference of the pipe. At least two sensors are... | 01/14/1992 |
| 5074138 | Method of making bellows pipe A bellows pipe construction and method for manufacturing are disclosed wherein helically wound coils of logitudinally corrugated strip are joined with an interlocking seam. Thereafter, the interlocking seam is deformed to position the edges of the strip i... | 12/24/1991 |
