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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7311124 | Method of producing a spring wire and wire thus produced Method of producing spring wires shaped as a cylinder. The wire includes at least one first plurality of layers of wound fibres, the layers being disposed on top of one another and impregnated with a matrix. The first plurality of layers includes at least two stacke... | 12/25/2007 |
| 7059354 | Refrigerant transportation hose A refrigerant transportation hose having excellent processability and durability, as well as high resistance to gas permeation (gas barrier properties) and adequate flexibility. The refrigerant transportation hose containing a tubular rubber layer in which refrigera... | 06/13/2006 |
| 7022398 | Moisture-impervious water-swellable clay-containing “water-stop” composition containing a water-penetrable coating A waterproofing article in the form of rod-, or rope-shaped clay-containing compositions, and a method of waterproofing using the article, whereby a water-penetrable, degradable, or water-soluble film or coating forms an outer surface of the article for avoiding pre... | 04/04/2006 |
| 6986203 | Manufacturing method for a composite coil spring A manufacturing method for a composite coil spring includes the following steps: preparing a mold, winding a coil former around a mandrel of the mold, winding composite material pre-preg, compressing and heating, opening the mold and detaching the mandrel and the co... | 01/17/2006 |
| 6726426 | Combination plastic spiral forming machine and semi-automatic plastic spiral binding machine A combination book binding machine with a plastic coil forming machine, whereby a plastic spiral coil is formed at a first raised temperature, then cut to a length sufficient for the plastic spiral coil to bind a book, cooled and then advanced toward a receiving coi... | 04/27/2004 |
| 6663808 | Method of producing textile reinforced thermoplastic or thermoset pipes utilizing modified dorn structures Novel thermoplastic pipes which can withstand extremely high internally generated and/or applied pressures for utilization within, primarily, high pressure underground liquid and gas transport systems are provided. Such pipes are improvements over standar... | 12/16/2003 |
| 6365253 | Plastic coil and method of forming same A continuous thermoplastic wire is heated and fed into a coil forming apparatus having a rotative drum holding an injection nozzle so that it registers with and be linked in a common rotative movement to a threaded mandrel also supported by the drum. The ... | 04/02/2002 |
| 6264454 | Wrapped SMC charge method and apparatus A transfer/injection molding apparatus and process is defined that includes a charge forming unit. The charge is formed so that the fibers therein are randomly oriented in substantially parallel horizontal planes such that they are always substantially pa... | 07/24/2001 |
| 6074592 | Method for imparting curl to ribbon material A method and associated apparatus in which decorative ribbons of varying thickness, width, and material can be automatically curled. The apparatus serves to impart a tendency to curl the strand in a helical formation by drawing the ribbon in a helical pat... | 06/13/2000 |
| 6045136 | Split sealing element A split sealing member for a rotary shaft comprising a coiled body, with non-adjoined ends, having a plurality of turns about a central axis, bent along the course of the body such that the body is divided into a radially-inner portion and a radially-oute... | 04/04/2000 |
| 5906226 | Very lightweight high-pressure compact cleaning device for marine and outdoor use A very light weight high pressure coiled retractable hose kit for marine vehicles and outdoor use which uses a helical structure to automatically retract when not used. The helical structure allows the hose to extend substantially the length of a typical ... | 05/25/1999 |
| 5705114 | Elements having head portions with arcuate external shapes A synthetic resin monofilament being continuously supplied is intermittently stamped to form head portions as flattened protuberances bulging laterally. Then the stamped monofilament is bent at the head portions to form leg portions and turnover portions ... | 01/06/1998 |
| 5698239 | Heating mechanism for zipper forming machines A heating mechanism for zipper forming machines includes a mold base, a support seat, a seat cover, a screw sleeve and a heating element. The support seat has a clearance at a central portion and a heat insulation pad is fitted into the clearance for divi... | 12/16/1997 |
| 5597431 | Device and method for the series production of fiber reinforced resin parts The present invention relates to a method and to a device for manufacturing parts made from resin and reinforcing fibers by winding. Molding means including a plurality of female forms corresponding each to a print of the part to be manufactured are produ... | 01/28/1997 |
| 5536461 | Tube multi-pack methods of manufacture Tube multi-pack methods of manufacture are disclosed. The tube multi-packs that are produced by the method of the present invention are one-piece tube multi-pack including an elongated thin-walled tubular element made of transparent flexible plastic mater... | 07/16/1996 |
| 5520870 | Methods and apparatus for the continuous formation of an extruded product A method and apparatus for continuously extruding a product, and forming it into a bend by applying a force to it at a point of application downstream of where its surface becomes solid. The force has a transverse component relative to the die axis, and p... | 05/28/1996 |
| 5468322 | Loop machine for helically winding strip The invention relates to apparatus for helically winding pipes from tube forming plastics strip comprising a single fixed rigid loop formed from a length of metal band, wherein the inner surface of the loop forms a spiral path along which the strip is dir... | 11/21/1995 |
| 5395469 | Method of making an improved spirally-formed seal for shafts and valve stems A packing material for formation of a seal for a rotary or reciprocating shaft is disclosed wherein a core element is enveloped by a sheet of expanded graphite material. The core element is preferably formed of a wire mesh and solid graphite. The envelopi... | 03/07/1995 |
| 5382154 | Method and device for aligning and bending individual round elongated dough pieces A device (24) for aligning with a feeding line (8) of a moving transfer conveyor (3) and for bending a round elongated dough piece (13) randomly placed on the moving transfer conveyor for transfer, comprising a pair of stoppers (26, 26) symmetrically arra... | 01/17/1995 |
| 5330345 | Apparatus and method for continuously winding a length of material into a helical form An apparatus for continuously winding a length of material into a helical form includes a frame structure and a plurality of rollers mounted on the frame structure. Each roller has a non-grooved surface with portions of a different diameter, a longitudina... | 07/19/1994 |
| 5326434 | Creping adhesive formulation Addition of a polyhydric alcohol to creping adhesive formulation comprising a water soluble binder increases operational efficiency.... | 07/05/1994 |
| 5288552 | Continuous polytetrafluoroethylene fibers This invention provides for a continuous PTFE fiber having on its surface a substantially round profile and a single spiralling seam formed from a continuous sheet of polytetrafluoroethylene which is helically rolled and self-adhered. The PTFE sheet may i... | 02/22/1994 |
| 5261988 | Making large-diameter pipe A large-diameter plastic pipe is made by extruding from an extruding-nozzle assembly a hollow thermoplastic strip having an outer rectangular cross section and formed with longitudinally extending outer walls and webs having inner surfaces and defining a ... | 11/16/1993 |
| 5232645 | Process for making coiled brake tubing Process for making coiled brake Tubing for truck/trailer rigs formed of a blend of polyolefin materials.... | 08/03/1993 |
| 5167891 | Method for the manufacture of curved plastic pieces In the method for the manufacture of curved plastic pieces, such as brassiere underwires, the plastic pieces are formed from hot plastic material in a selected mold and are cooled to solidify the plastic material. In the improved method, a continuous ther... | 12/01/1992 |
| 5164205 | Apparatus for stamping monofilament for slider fastener coupling elements An apparatus for stamping a monofilament to form shaped portions for slide fastener coupling elements, including: a stationary shaft having a mandrel extending from its one end; a pair of stamping rollers comprising a cylindrical roller and an annular rol... | 11/17/1992 |
| 5137673 | Process for forming plasticized polyvinyl butyral sheet Plasticized polyvinyl butyral sheet optionally containing a gradient color band is formed by continuously extruding a sheet having a predetermined region across its width formed from melt issuing from a die at an increased mass flow rate in comparison wit... | 08/11/1992 |
| 5122211 | Method for forming thermoplastic composite filament into a structure An applicator is utilized in applying a thermoplastic composite filament to a mandrel so as to form a structure. The filament and the surface of the mandrel are caused to move simultaneously and in a common direction relative to the applicator so that the... | 06/16/1992 |
| 5111849 | Helical pipes and method of manufacture thereof Extruded pipes of thermoplastically processable polymers are wound cold around a mandrel and thereafter subject to thermal fixing. During or before winding, the pipe is twisted in a direction opposite to that of the helix formation, about its longitudinal... | 05/12/1992 |
| 4934657 | Graphite spiral packing for stuffing box and method for manufacturing the same A helical spacer, e.g. made of stiffly flexible nylon and having flat axially-presented surfaces, in slid onto a cylindrical mandrel, e.g. a die inside body. Flexible corrugated ribbon of expanded graphite is helically wound onto the mandrel between turns... | 06/19/1990 |
| 4929167 | Apparatus for producing a helical tube An apparatus for producing a curved tube, the apparatus comprising an extruder for extruding a tube having a wall including a first portion having a thickness, and a second portion diametrically opposite the first portion and having a thickness less than ... | 05/29/1990 |
| 4888074 | Therapeutic rings The specification describes and claims a method of making therapeutic rings from a curable silicone rubber based composition. The rings are capable of controlled release of the therapeutic agent in the human or animal body. The method includes the steps o... | 12/19/1989 |
| 4885664 | Sheathed string of christmas tree lights A flexible thermoplastic sheath for a string of Christmas tree electric lights which is generally tubular and formed with a set cross sectional shape corresponding to the spiral of Archimedes so that when the ends of the section of the spiral are forced a... | 12/05/1989 |
| 4883552 | Pultrusion process and apparatus An apparatus and process are provided for continuously consolidating and shaping a plurality of continuous prepreg structures into a unitary formed product structure. Each prepreg structure comprises a solidified thermoplastic resin matrix containing long... | 11/28/1989 |
| 4854846 | Method and apparatus for making a plurality of flexible hoses each having a preformed bend therein A method and apparatus of making a plurality of flexible hoses each having a preformed bend section between opposed ends of the hose that tends to return to the shape of its preformed bend section when unbent therefrom are provided, the method comprising ... | 08/08/1989 |
| 4808357 | Process for forming shaped interlayer blanks A process for forming discrete, shaped interlayer blanks comprising extruding thermoplastic melt into an endless, distortable straight-sided sheet having a gradient color band along one side, the melt forming the region of the sheet laterally of the color... | 02/28/1989 |
| 4783301 | Polybutene molded article and method for making same The specification discloses a polybutene-1 polymer product and method and apparatus for making same in which the polymer is introduced into a form which defines the shape of the desired part and is then subjected to shear at a temperature from just above ... | 11/08/1988 |
| 4750253 | Method and apparatus for producing a flat spiral link assembly The method produces a flat spiral link assembly from at least four synthetic resin monofilament helices wound winding to winding which are simultaneously supplied for meshing engagement. Before being meshed the helices are stretched to at least three time... | 06/14/1988 |
| 4717519 | Method for producing a string-shaped bacteria bed for sewage or wastewater treatment A method for producing a string-shaped bacteria bed having many loops of fiber on the whole surface thereof, which is used for sewage or wastewater treatment, characterized by preparing a narrow strip of cloth made from a thermoplastic material, having ma... | 01/05/1988 |
| 4661184 | Method of and means for producing a helical band A helical band is produced by applying a layer of heat-settable material on to a rotating support to one side of the axis of rotation. Heat is applied to the layer, as by the support while it rotates, for a length of time sufficient for the material in th... | 04/28/1987 |
