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 |
| 7418980 | Vacuum cleaner hose The present invention relates to a vacuum cleaner hose manufactured by continuously spirally winding one row or two rows of band-shaped materials extruded with an electric wire inserted therein. The vacuum cleaner hose is formed by spirally winding and sticking a ba... | 09/02/2008 |
| 7412956 | Reinforcing structure of cylinder barrel A cylinder barrel (1) for housing a piston comprises a sheet metal liner (2) and a reinforcing structure (10) located outside the sheet metal liner (2). The reinforcing structure (10) comprises a glass-fiber-reinforcing layer (1... | 08/19/2008 |
| 7279438 | Coated insulation board or batt An insulation composite for attenuating energy or sound transmission has a body layer of insulating material with a roughly textured face and a uniform thickness solid cover layer permanently embedded in the body layer to a partial depth so that material of the body... | 10/09/2007 |
| 7111770 | Method for producing connecting ends on metal tubes and tube piece comprising such connecting ends Connecting ends on a hose piece comprising several metal layers, in particular a strip wound metal hose piece, are produced by fixing the overlapping metal layers of a hose of larger length or of an endless hose in the region of the point of separation through weldi... | 09/26/2006 |
| 6932119 | Multi-mode tubing product and method An elongate flexible plastic tubing includes a helical support bead, and defines a central passage opening on opposite ends of the tubing. The tubing may also include one or more lumens extending helically in the support bead from end to end of the tubing. Also, the... | 08/23/2005 |
| 6904941 | Helically formed cylinder of varying length and diameter A variable diameter cylinder made from a sheet having first and second edges that are opposite to each other and that slideably connect with each other to form a helical joint of a cylinder such that sliding the edges of the sheet along the joint varies a diameter a... | 06/14/2005 |
| 6889715 | Flexible tubular member with sealed tape layer A flexible pipe in which a layer of wound tape extends adjacent a surface of a tubular member to limit or prevent molecular migration through the tubular member. ... | 05/10/2005 |
| 6840286 | Flexible tubular pipe A flexible tubular pipe comprising at least one metal profile spiralled in a helix about a longitudinal axis of the flexible pipe. The profile consists of a metal strip, each turn of which comprises two separate box sections which are obtained by bending the said st... | 01/11/2005 |
| 6827109 | Flexible hose and method of manufacture A flexible hose and a method for manufacturing the same includes a hose tube having a smooth exterior surface. The hose tube exterior surface has a fabric and cover laminated or wrapped thereon. The lead end of a single wire is helically wound about the hose tube on... | 12/07/2004 |
| 6659136 | Flexible hose A flexible hose having air-permeability is formed by either: sandwiching an air-permeable tape between tape end edge portions, as leading and trailing in a hose longitudinal direction, of a soft resin tape that is helically wound integrally with the air-p... | 12/09/2003 |
| 6634387 | Reinforced flexible tubular pipe with conveying back of leak fluid A reinforced flexible tubular pipe including an inner liner (3) that forms a barrier against outflow of medium that flows through the pipe, the inner liner (3) being encased by at least one reinforcing layer having a space in which a number of profiles ar... | 10/21/2003 |
| 6426462 | Device for the connection of a multiple-tube structure and method of access to this device A device for connection between the ends of tubes (2) protecting one or more cables (9) and a box (4), has a flexible sheath (3) that makes it possible, at the exit from the tubes (2), to connect the cables (9) coming from the tubes (2) to the box in prov... | 07/30/2002 |
| 6367510 | Tubing product having a helical support bead with lumen and method A helically wound and helically ribbed plastic tubing incorporating one or plural support beads with at least one of the support beads defining one or plural helical lumens. The support bead is free of joints or bonding lines extending between the lumen(s... | 04/09/2002 |
| 6286557 | Sheath A sheath for at least partially covering a tubular member, includes a helically wound strip having an electrically conductive portion extending through the strip from an inner surface of the strip to an outer surface of the strip. The conductive portion a... | 09/11/2001 |
| 6192941 | Flexible tubular pipe comprising an interlocked armouring web A flexible tubular hose, in particular for transporting fluids under pressure, comprising pressure-resistant armoring constituted by winding at least one pair of interlockable metal section wires, one of which has a T-section and the other of which has a ... | 02/27/2001 |
| 6016847 | Flexible tubular conduit The invention relates to a flexible tubular conduit having at least one tubular layer constituted by at least one molded strip of a cross section substantially in the form of an elongated S, wound helically and having a cross section formed of a first and... | 01/25/2000 |
| 6009912 | Steel pipe with integrally formed liner and method of fabricating the same A metal pipe and method of forming the same with an integrally formed liner for use in corrosive and abrasive environment utilizes a liner formed of a comparatively thick polymer which is thermally bonded to the metal pipe. An intermediate polymer/adhesiv... | 01/04/2000 |
| 5899237 | Abrasion resistant composite hose and process for producing the same An abrasion resistant composite hose comprises (a) an outer layer composing a spiral tape of a soft synthetic resin, where adjacent side edges of the spiral tape join each other to form the outer layer, (b) a spiral reinforcement of a hard synthetic resin... | 05/04/1999 |
| 5896894 | Elongated tubular housing for monitoring systems Recesses or openings (4) are arranged in a wall of an elongated tubular covering (3) made of resinous plastics that are resistant to temperature stresses and/or aggressive media; these openings are covered from the outside by a microporous layer (5) made ... | 04/27/1999 |
| 5881775 | Heat exchanger tube and method for making A heat exchanger tube (2, 2a, 2b) is made using a hollow, impermeable, monolithic ceramic inner tube (4) and wrapping the inner tube with a circumferentially extending reinforcing material (12) impregnated with a slurry of ceramic particles, particle carr... | 03/16/1999 |
| 5837083 | Method of forming a rigid tubular body A method of forming a hollow elongated or tubular body consisting of the steps of winding one or more strips of material in self-overlapping fashion to produce a multi-layer tubular structure, the or each strip prior to winding being pre-formed to provide... | 11/17/1998 |
| 5795634 | Heat insulating noise reducing duct A heat insulating noise reducing duct includes: an internal layer formed by helically winding a flat fibrous band and integrally bonding outer circumferential faces of adjacent joint parts of the band by resin reinforcing bands to thereby form a substanti... | 08/18/1998 |
| 5780123 | Tubular liner and a method for connecting ends of liner tubes A tubular liner, for lining the inner wall of a pipe, comprises a plurality of composite liner tubes, each liner type contains an inner layer of a resin-absorbable sheet and an outer layer of hermetic plastic film. The composite liner tubes are joined by ... | 07/14/1998 |
| 5769127 | Resin pipe A pipe wall has an inner wall cylindrically formed of a soft material of rubber, synthetic rubber or synthetic resin, a rising rib bonded at its base portion onto an outer circumferential surface of the inner wall so as to extend therefrom in an outer cir... | 06/23/1998 |
| 5662145 | Dual bias weld for continuous coiled tubing A dual bias weld is an improved weld for joining strips to be formed into coiled tubing. Tubing is formed from a first strip and a second strip, the first and second strips being of the same width. A planar end surface is formed on an end of the first str... | 09/02/1997 |
| 5526849 | Flexible duct A flexible duct and method for making the duct are disclosed. The duct includes an inner wall bonded to an outer wall, so as to sandwich a wire resilient helix and a yarn helix therebetween. The yarn helix is axially displaced from the wire helix so that ... | 06/18/1996 |
| 5329973 | Rigid polyvinyl chloride pipe A rigid polyvinyl chloride pipe comprises a strip member A that comprises a rigid polyvinyl chloride strip 1 with a U-shaped cross section consisting of an intermediate portion 1a of a predetermined width having a generally flat surface on at least one la... | 07/19/1994 |
| 5191911 | Continuous length of coilable tubing A system for making a long length of seam-welded tubing from shorter lengths of flat metal strip which are spliced end-to-end and formed into tubular form and seam-welded. Adjoining ends of two successive lengths of the strip are trimmed at supplementary ... | 03/09/1993 |
| 5131325 | Reusable printing sleeve A reusable printing sleeve for supporting flexible printing plates, the sleeve having a limited circumferential resilience, whereby when subjected to air jets emitted from the apertures in the wall of a printing cylinder, the sleeve is dilated to facilita... | 07/21/1992 |
| 5063969 | Self-erecting spiral metal tube with one textured side A self-erecting, coiled metal tube comprises a helically wound ribbon of spring material having an inside surface and an outside surface, the ribbon having adjacent turns stressed to coil in tight overlapping and telescoping engagement, and a textured sur... | 11/12/1991 |
| 5060698 | Large-caliber pipe for thermoplastic material A large-caliber pipe consisting of thermoplastic, constructed from an extruded hollow plastic profile having helical turns welded along a helical contact seam. The hollow plastic profile is a multi-cell profile having a rectangular overall cross section a... | 10/29/1991 |
| 5046531 | Synthetic resin pipe for underground use A synthetic resin pipe intended for underground use is disclosed having both an improved strength and flexibility but reduced weight. An inner layer of the body of the pipe is formed of a synthetic resin, and a reinforcing layer is wound around the inner ... | 09/10/1991 |
| 4965105 | Insulation sleeve for galvanic primary cells An insulation sleeve for the can-shaped soluble anode of a round galvanic primary cell, which immobilizes emerging electrolyte and shields retained moisture from the exterior, and which electrically insulates the electrode conductor, includes a helically ... | 10/23/1990 |
| 4950122 | Improvement in monococque containers A container of monococque construction having a peripheral wall comprised of concentric inner and outer walls, with the space between the walls being filled with a plastics material. At least one of the inner and outer walls is a spirally-wound tube havin... | 08/21/1990 |
| 4862924 | Flexible hard pipe A flexible hard pipe in which over a soft inner pipe wall a hard belt-like member is helically wound. The belt-like member has a double-hook shape in which a flat inner surface is fused to the inner pipe wall. A raised hook portion overlaps a hook portion... | 09/05/1989 |
| 4823847 | Multi-layer helical seam steel pipe A method for production of a multi-layer gap-less steel pipe. An inner pipe and an outer pipe are formed from thermomechanically rolled steel strip with high notched bar impact strength by welding. The individual helical welding seam steel pipes of about ... | 04/25/1989 |
| 4824502 | Method and apparatus for manufacturing a plastic pipe A method of manufacturing a plastic pipe having a spiral ridge on an outer surface and a flat inner surface, comprising the steps of: (a) supplying a plastic ribbon in a softened state onto a plurality of rotating forming rolls arranged circularly, so tha... | 04/25/1989 |
| 4796672 | Pressure-withstanding pipe An improved pressure-withstanding pipe is made of a soft synthetic resin or rubber material with hard synthetic resin reinforcing bodies helically wound and embedded in the pipe wall at predetermined intervals. A thin reinforcing belt member is also helic... | 01/10/1989 |
| 4688319 | Multi-layer helical seam steel pipe A method for production of a multi-layer gap-less steel pipe. An inner pipe and an outer pipe are formed from thermomechanically rolled steel strip with high notched bar impact strength by welding. The individual helical welding seam steel pipes of about ... | 08/25/1987 |
| 4682632 | Crack stopping in pipelines A short steel pipe for use as a crack stopper is described having externally or internally helically arranged individual notches, perforations or texture changes at such a number that they overlap in axial direction, and an axial line on or in the pipe wi... | 07/28/1987 |
