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 |
| 7421754 | Hose lifter for an underwater pool cleaning device A buoyant hose lifter which selectively attaches to a portion of an existing hose of an underwater pool cleaning device, wherein the buoyancy of the hose lifter may be selectively varied by a user, thereby enabling the hose lifter and the underwater pool cleaning de... | 09/09/2008 |
| 7367363 | Sanitary conduit support systems Apparatus for supporting conduits within a sanitary environment. Some supports are configured so as to avoid the formation of surfaces that might collect dust, debris, cleaning fluids, etc. when installed. In one embodiment, the support includes a pair of opposing s... | 05/06/2008 |
| 7357968 | Reinforced, high pressure, low permeation multilayer hose A reinforced, high pressure hose is disclosed for use in the transport of high pressure fluids. The hose includes a multilayered inner tube capable of prolonged exposure to fluids such as those containing hydrocarbons, and a reinforcement layer overlaying the inner ... | 04/15/2008 |
| 7347223 | Pipe flow stabilizer A fluid flow stabilizer for use in a flow of fluid in a conduit between a source of turbulence and a fluid control device. The stabilizer comprises a fluid conduit section having a first end with a mounting arrangement for mounting the first end to the fluid conduit... | 03/25/2008 |
| 7341686 | Device for arresting the propagation of a buckle in a double-walled pipe Device for arresting the propagation of a buckle in a double walled pipe. The device comprising an outer pipe wall having a defined external diameter and placed around an inner pipe wall, defining an annular space between the said outer and inner walls; provi... | 03/11/2008 |
| 7325575 | Rope and webbing protector A protector is disclosed for protecting an elongated portion of a rope or webbing. The protector includes a flexible material including a first inner edge having a first length and about which the protector is wrapped such that a second outer edge is exposed. The fi... | 02/05/2008 |
| 7316246 | Hose assembly A hose assembly comprising a flexible hose and at least one co-extending flexible member. The hose and the member are secured together for tandem movement by means of at least one intermediate resilient mounting means. In operation tension and/or compression induced... | 01/08/2008 |
| 7308911 | Electronically detectable high-pressure hose and method of determining the location of the hose A hose is provided having at least one layer defining a tubular body with a length and an electrically conductive lead joined to the tubular body and extending along the length of the tubular body. The electrically conductive lead is adapted to receive an electrical... | 12/18/2007 |
| 7273959 | Catalytic trimerization of olefinic monomers A catalyst composition suitable for the trimerization of olefinic monomers, wherein the catalyst composition comprises: a) a source of chromium, molybdenum or tungsten; b) a ligand of general formula (I); ... | 09/25/2007 |
| 7264021 | High-pressure resistant hose A hose base body of multilayered construction including an inner surface layer, a reinforcing layer and an outer surface layer has uniform inner diameter, outer diameter and wall-thickness over an entire length thereof. A longitudinal end portion of the hose base bo... | 09/04/2007 |
| 7265293 | Holdout devices and cover assemblies and methods incorporating the same The resilient sleeve member defines an axially extending inner passage. The holdout device includes a core mounted in the inner passage of the sleeve member. The core defines a core passage to receive the elongate substrate and has at least first and second sections... | 09/04/2007 |
| 7255134 | Carbon black-containing crosslinked polyethylene pipe having resistance to chlorine and hypochlorous acid Pipe or tubing of crosslinked polyethylene (“PEX”) containing less than 2% by wt. carbon black provides improved resistance to oxidizing agents such as chlorine and hypochlorous acid in water. The pipe may be further protected with a thin tubular core (inner lay... | 08/14/2007 |
| 7249437 | Method and apparatus for exterminating gophers and other burrowing pests An agent delivery system for eradicating rodents in an underground system of tunnels has a first chamber containing a first agent for delivery, a second chamber containing a second agent for delivery, a powered airflow device fitted to both chambers, and a tubing el... | 07/31/2007 |
| 7244271 | Self-sealing PTFE vascular graft and manufacturing methods An implantable microporous ePTFE tubular vascular graft exhibits long term patency, superior radial tensile strength and suture hole elongation resistance. The graft includes a first ePTFE tube and a second ePTFE tube circumferentially disposed over the first tube. ... | 07/17/2007 |
| 7234410 | Buoyancy control systems for tubes A buoyancy control system for controlling the buoyancy of a tube may includes generally tubular length of buoyancy control material having a selected buoyancy characteristic. The length of buoyancy control material may be attached to a section of the length of the t... | 06/26/2007 |
| 7226649 | Laser weldable flexible medical tubings, films and assemblies thereof The present invention provides a tubing assembly having a sidewall having a first layer. The first layer is fabricated from a first polymer blend comprising a first component of a material not thermally responsive to laser beam and selected from the group consisting... | 06/05/2007 |
| 7216676 | Apparatus and method for shaping hose A shaped hose assembly includes a length of hose having an external surface and a hose form including a non-continuous, generally curved wall that extends around the circumference of the external surface of the hose. The wall includes a first axially extending end a... | 05/15/2007 |
| 7198066 | Device for supporting and stabilising a tubing for fluid transport and such a tubing The present invention relates to an anti-kinking device, in particular for supporting and stabilising an infusion tubing for fluid infusion in a safety loop, comprising means for receiving and fixing the infusion tubing in connection with a catheter inserted into a ... | 04/03/2007 |
| 7195530 | System and methods to install subsea structures There is disclosed a system comprising a structure in a body of water, wherein the body of water comprises a depth comprising a top-section from a surface of the body of water to one-third of the depth, and a second-section from one-third of the depth to two-thirds ... | 03/27/2007 |
| 7160593 | Polyefinic pipe having a chlorinated polyolefinic hollow core A multi-layered pipe of arbitrary length and cross-section is produced by co-extrusion of a lower polyolefin (C2–C4) outer body over the exterior surface of a tubular core of randomly, partially randomly, or blocky chlorinated lower polyolefi... | 01/09/2007 |
| 7128156 | Wellbore rig with heat transfer loop apparatus A rig, the rig useful in well operations, the rig having rig structure above the earth, and heat transfer loop apparatus connected to the rig for supplying heat transfer fluid for use on the rig, either from a loop or loops with portion(s) in water or portion(s) in ... | 10/31/2006 |
| 7125402 | Surgical drain An improved surgical drain tube 10 having an internal passageway 12, a plurality of portions 14 of the external wall of the tube extending outwardly and being arranged in opposing pairs, the walls of the outwardly extending portions forming the ... | 10/24/2006 |
| 7116872 | Optical fiber tape core In an optical fiber ribbon 1 according to the present invention, four optical fibers 10, 20, 30 and 40 are arranged in parallel to each other in a plane, a part of the periphery of these four optical fibers is covered with a ribbon matrix 51 | 10/03/2006 |
| 7104104 | Rectangular and square ducting systems A duct structure (50), includes lengths of square/rectangular duct (52) manufactured by pre-forming the duct in round cross-section (51) and then transforming the round cross-section into square and rectangular cross-sections utilizing expandabl... | 09/12/2006 |
| 7096814 | Variable buoyancy device The method of constructing a hull for ocean profiling or gliding vehicles which reduce the energy required to make vertical excursions. Composite materials are used in constructing the hull, specifically a fiber reinforced matrix, wherein the choice of the fiber mat... | 08/29/2006 |
| 7090154 | Tap A tap has a flexible hose for delivering water and a support for the flexible hose. The support comprises a channel with an open mouth along its length. The flexible hose is removably mounted in the channel such that it is supported along at least the majority of it... | 08/15/2006 |
| 7089965 | Pipe for transporting automobile fluids, comprising a smooth inner tube and an annellated outer tube A pipe for transporting automobile fluids includes a smooth inner tube (1) based on a fluorinated thermoplastic material, a corrugated outer tube (2) in contact with the inner tube via the inside peaks (3) of its corrugations, and made of a poly... | 08/15/2006 |
| 7086421 | Crosslinked polyethylene pipe having a high density polyethylene liner A multilayer PEX pipe having improved resistance to oxidizing agents in water. The pipe has a thin tubular core (inner layer) of high density polyethylene and an outer layer of crosslinked polyethylene. The pipe may optionally have an oxygen barrier layer, such as p... | 08/08/2006 |
| 7066880 | Catheter introducer system for exploration of body cavities A catheter introducer system for endoscopy is disclosed which includes a steering section and a propulsion section located near the end of the catheter that is introduced in body cavity, and a non-collapsible sheath defining a working channel, disposed inside the ca... | 06/27/2006 |
| 7059353 | Power steering noise and vibration attenuator A noise and vibration attenuator for a power steering hose is disposed on the flexible tubular portion of the hose. The damper is operable to attenuate noise or vibration found in the hose and includes a cylindrical main body having a central bore on the longitudina... | 06/13/2006 |
| 7048010 | Drip irrigation system Low-pressure drip irrigation system, comprising a distribution pipe made of thin-walled sleeve collapsible when empty and designed to operate under hydraulic head up to 3 m H2O, having a plurality of holes in the walls thereof, a plurality of branch tubes... | 05/23/2006 |
| 7045704 | Stationary induction machine and a cable therefor A stationary induction machine, and a cable for such an induction machine, including a winding including an elongate, flexible cable, having an electric lead, and a cooling device, arranged, with the aid of a coolant, to divert excess heat generated in the lead duri... | 05/16/2006 |
| 7045032 | Pass-through fishing rod and method of manufacturing same A hollow telescopic fishing rod has a rod body made from resin and reinforcing fibers. The rod body has an inner circumferential surface, wherein concave surface portions and convex surface portions are formed in the inner circumferential surface of the rod body. Th... | 05/16/2006 |
| 7029356 | Buoyancy control systems for tubes Buoyancy control methods for tubes are described. In one embodiment, a buoyancy control method can include a composite tube and a buoyancy control material for controlling the buoyancy of the composite tube. The composite tube can include an internal liner an extern... | 04/18/2006 |
| 7022010 | Air conditioner with a circular air diffuser system A ceiling has an upper surface, a lower surface and a circular aperture. A boot has a cylindrical lower section and a large circular cross sectional configuration and with a cylindrical upper section and a small circular cross sectional configuration. The diameter o... | 04/04/2006 |
| 7004203 | Insulated heating and/or sanitation pipe The heating and/or sanitation pipe comprises an inner pipe (12) made of a plastic material and a metal corrugated pipe (14) surrounding the inner pipe (12) at a radial distance {circle around (R)}). Further, the heating and/or sanitation pipe is... | 02/28/2006 |
| 6972144 | Composite structural material and method of making same A composite structural material suitable, for example, as a replacement for wooden boards, is disclosed. It comprises a dimensionally stable core material ensheathed in a dimensionally stable, laminar covering that is adherent to the core material. The laminar cover... | 12/06/2005 |
| 6968106 | Air blown fiber (ABF) cable with low composite coefficient of thermal expansion An air blown fiber tube cable having improved thermal stability in contrast to conventional air blown fiber (ABF) tube cables and within which one or more air blown optical fiber units can be installed. The air blown fiber tube is formed from a cross-linked polyolef... | 11/22/2005 |
| 6951227 | Hose with multiple holes A hose with multiple through holes is used to convey fluid, has a hose body having two ends, multiple through holes arranged abreast passing through the hose body longitudinally and two enlarged annular flanges. Some of the multiple through holes maintain fluid flow... | 10/04/2005 |
| 6948528 | Corrugated hose assembly According to the present invention, there is provided a hose assembly with an inner fluoropolymer layer having a smooth inner surface and an outer polyamide layer having an undulated surface. ... | 09/27/2005 |