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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7425024 | Submersible pump drop pipe and casing assembly connection and method of manufacture A submersible pump drop pipe and casing assembly and method of manufacture is disclosed. The drop pipe/casing has a seated connector and base. The seated connector has a first and second sections, the first section being used to align and direct the base into the se... | 09/16/2008 |
| 7422248 | Collets for tube couplings A collet for locking a tube in a tube coupling body is moulded in plastics and comprises an annular collar having a plurality of arms extending from the collar generally parallel to the collar axis. Each arm has a head at its distal end spaced from the collar for en... | 09/09/2008 |
| 7354076 | Fitting for formation of a fluid-conducting connection A fitting for formation of a fluid-conducting connection on a container (1) of plastic, in particular a tank for receiving a fluid, specifically a hydraulic fluid, has a connection part in the form of a hollow element (5) with a jacket (21). The... | 04/08/2008 |
| 7350831 | End structure of water pipe A water pipe includes a pipe main body made of a synthetic resin and an annular metal inner piece inserted into an end of the pipe main body. The inner piece has its diameter increased from the inside of the pipe main body so as to increase the diameter of at least ... | 04/01/2008 |
| 7347456 | Sleeve for joining and sealing conduits An apparatus is provided for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge ... | 03/25/2008 |
| 7348046 | Polymer mixture of aliphatic polyamides and partially aromatic polyamides, moulded articles thereof and use thereof The invention relates to a polymer mixture of partially crystalline aliphatic polyamides and partially aromatic polyamides, the proportion of aliphatic polyamides being more than 50% by weight and the quantitative ratio of the aliphatic carbon atoms to amide bonds i... | 03/25/2008 |
| 7338095 | Plastic heating duct connectors A connector for connecting a terminal end of a heating duct to a heating duct board, the connector including an annular cylindrical portion with an outer surface and a maximum outer diameter and a flange extending radially outwardly from the outer surface of the ann... | 03/04/2008 |
| 7316427 | Hollow plastic product having a connector pipe A hollow plastic product including a hollow main body, a reinforce member and a connector pipe is provided. Such a hollow plastic product is, for example, used advantageously as a component of an air-intake system or fuel supply system of an automobile. In one examp... | 01/08/2008 |
| 7275612 | Fix structure of battery for vehicles A sealing member is composed of upper and lower holders which are molded members formed of rubber or resin. The upper holder has a stopper having a tubular shape with a flange inserted on its inner periphery. The lower holder has an inserted nut and outer threaded m... | 10/02/2007 |
| 7273577 | Method of manufacturing catheter The invention relates to a method of manufacturing a catheter, wherein the catheter comprises an elongate portion having a proximal end and at least one lumen at said proximal end, at least one extension tube having a passage, and a coupling element, the distal port... | 09/25/2007 |
| 7267376 | Tube joint for fuel tank A tube joint for a fuel tank includes a joint body having a tubular shape, and a barrier layer covering the inner surface of the joint body. The joint body is formed of a material which is weldable to a tank body, and the barrier layer is formed of a material which ... | 09/11/2007 |
| 7261326 | Submersible pump drop pipe and casing assembly connection and method of manufacture A submersible pump drop pipe and casing assembly and method of manufacture is disclosed. The drop pipe/casing has a seated connector and base. The seated connector has a first and second cylinder section, the first cylinder section being used to align and direct the... | 08/28/2007 |
| 7222885 | Drain seal for vehicle drain tube A drain seal for connecting a drain tube to a support structure includes a molded unitary body having first and second moldingly joined portions, each formed of dissimilar durometer materials. The first portion is formed to sealingly join the body to a drain tube. T... | 05/29/2007 |
| 7210709 | Tubular socket A tubular socket for connecting a fluid conduit to a thermoplastic container has first and second thermoplastic parts connected to one another by a multi-component injection molding process. The first part has a smaller creep tendency under pressure load and a small... | 05/01/2007 |
| RE39584 | Pipe joint made of resin The present invention relates to a pipe joint made of resin used for laying pipes in which a high-purity liquid, ultra pure water or the like flow. According to the pipe joint of the present invention, a sealing surface pressure is generated in both axial and radial... | 04/24/2007 |
| 7207607 | Coaxial two-component cartridge The invention relates to a coaxial two-component cartridge, with an outer tube and a separate inner tube, both of which tape at one respective end into a respective neck, wherein the inner side of the neck of the outer tube and the outer side of the neck of the inne... | 04/24/2007 |
| 7195284 | Flexible synthetic resin coupling A flexible synthetic resin coupling is provided which is substantially self-sustaining in an initial configuration but provides sufficient resiliency and flexibility to absorb substantial loading, thereby accommodating relative movement between pipes and/or tanks to... | 03/27/2007 |
| 7128346 | Structure for connecting tubular member to fuel tank An cylindrical convex portion of which opposite ends are open is integrally formed onto a fuel tank made of HDPE therewith so as to inwardly extend in the fuel tank to provide an opening thereon. A press-fit portion of a filler hose connecting pipe made of PA as a t... | 10/31/2006 |
| 7108297 | Quick connector An inner peripheral surface of a tube connecting portion of a tubular connector housing is divided into a first receiving portion on one axial side and a second receiving portion on an opposite axial side by an inwardly directed annular parting projection. A first O... | 09/19/2006 |
| 7093859 | Tubing and connector assembly A connector and tubing assembly including a multi-lumen molded connector having at least three flexible tubes also molded into the connector. The connector may be “Y” shaped and include three flexible tubes. A process of making the connector and tubing assembly ... | 08/22/2006 |
| 7090262 | Fuel tank connector A fuel tank connector for connecting a fuel tank and a pipe in communicating fashion includes a gas barrier member made of a synthetic resin and having a gas barrier property. The gas barrier member includes a tubular portion and a flanged portion provided on a peri... | 08/15/2006 |
| 7066498 | Part for connecting a fluid line to an opening of a container comprising plastic material or for closing the opening A part for connecting a fluid line to an opening of a container comprised of thermoplastic material or for closing the opening of the container has a first component and a second component of thermoplastic material. The first component has a surface to be connected ... | 06/27/2006 |
| 7067032 | Tubular coupling element for producing a glued joint with a fluid line A tubular coupling element for producing a glued joint with a fluid line and a method for producing such a glued joint. The coupling element includes an inner tube that is insertable into a fluid line and an outer tube that is constructed concentric to the inner tub... | 06/27/2006 |
| 7017951 | Strengthened pipe fitting having encapsulated reenforcing collar A strengthened pipe fitting has an internally threaded surface and a compression band. The compression band is sized to compress the internally threaded surface sufficiently so that the pipe fitting is subjected to a compressive preload. The compression band is cove... | 03/28/2006 |
| 7014214 | Resinous connector A resinous connector includes a flange-shaped base, a nipple, an O-ring, and an O-ring groove. The nipple extends from the base, and has an outer peripheral surface and sealing projections disposed on the outer peripheral surface. The sealing projections have a subs... | 03/21/2006 |
| 6994378 | Sleeve for joining and sealing conduits The apparatus for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge trim. The s... | 02/07/2006 |
| 6994379 | Tubular assembly having an internal plug A tubular assembly that includes a plug (45) residing within at least a portion of each of a first tube (12) and a second tube (30), is described. Each of the first and second tubes have perforations (21 and 39) that are separately... | 02/07/2006 |
| 6991266 | Pipe joint made of resin The invention provides a pipe joint made of resin in which a predetermined pressing force in the axial direction corresponding to a fastening torque of a union nut can be obtained, and the strength of threads can be enhanced. Each of the threads of an external threa... | 01/31/2006 |
| 6913295 | Fuel tank connector A connector for a fuel tank includes a flange portion, an outer connecting portion to be connected to a pipe member and an inner connecting portion to be inserted into a fuel tank through a connecting opening of the fuel tank. The inner connecting portion has an eng... | 07/05/2005 |
| 6905141 | Glass elements with a conductive coating, the use thereof, as well as devices, installations and pipe conducts produced therefrom Glass modules for use in the assembly of equipment, installations and for pipe works, the surfaces of which are entirely or partially coated with a conductive coating, in particular from transparent conductive polymers for the purpose of reducing surface resistance,... | 06/14/2005 |
| 6902208 | Gas impermeable tube joint and method of forming same A method of forming a gas impermeable joint in a fluid system includes: providing a tube having a metallic barrier layer disposed between an inner plastic layer and an outer plastic layer; forcing at least one of the inner plastic layer and the outer plastic layer i... | 06/07/2005 |
| 6896299 | Resin pipe joint A cylindrical projecting portion is disposed in a projected tip end portion of an inner ring which is to be pressingly inserted into one end portion of a pipe member to be integrated therewith, an inner radial face of the cylindrical projecting portion is formed as ... | 05/24/2005 |
| 6866297 | Welded structure of fuel filling container and welded part, and welding method therefor A welded structure constituted of a fuel filling container having an opening, and a welded part including a pipe-shaped section whose one end is disposed in the opening of the fuel filling container. A welding section is fixedly disposed around the outer periphery o... | 03/15/2005 |
| 6863315 | Flanged member with barrier layer In order to attach a fuel system component such as a pipe nipple to a fuel tank having a polyethylene outer layer, the fuel system component is made from a first material which may have desirable characteristics such as resistance to creep, but which may not be easi... | 03/08/2005 |
| 6860524 | Polyolefin connectors A one-piece polyolefin connector or polymeric blend connector with the characteristics of a polymer having the specific density of between 0.90 and 0.96 g/cc capitalizing on the aspect ratio of the connector and angularity of the sealing surface in combination for u... | 03/01/2005 |
| 6857670 | Plastic tube joint An apparatus for creating a permanent, leak-proof plastic tubing joint including a length of plastic tubing, a fitting component and a device capable of generating a local electromagnetic field. The fitting component is manufactured of a polymer containing nonpolyme... | 02/22/2005 |
| 6851723 | Ring joint, connection structure for connecting piping and ring joint, and method of connecting ring joint and piping Connection structure for connecting a piping used in automobiles or the like to a ring joint for providing highly reliable gas-tightness. The ring joint includes a ring joint body including a fitting hole for an eyebolt, the fitting hole being piercingly formed in a... | 02/08/2005 |
| 6817631 | Septic system box pipe seal A seal plate includes tear out sections that leave pipe sealing openings, an externally threaded cylindrical portion that extends through a hole in a septic system distribution box wall, a resilient cup-shaped flange that faces one side of the wall around the hole, ... | 11/16/2004 |
| 6764111 | Compression clamp for water-tight sealing of tubular components A method of and an apparatus for rejuvenating a wastewater treatment system of the type including a septic tank, an aerobic treatment unit or the like connected by a pipe to a plugged downstream soil absorption system includes a wastewater treatment unit which is in... | 07/20/2004 |
| 6764102 | Tube joint A tube joint comprises a joint body which is provided with an attachment/detachment mechanism for attaching/detaching a fluid tube and which is formed of a resin material, and a bellows section which has annular projections and annular recesses alternately formed to... | 07/20/2004 |
