Famous Patents
British merchant Peter Durand invented the tin can in 1810.
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 |
| 7090258 | Sealing socket and method for arranging a sealing socket to a tube Sealing socket (1) and method for arranging a sealing socket to a tube (2). A sealing socket (1) includes a sleeve (3) having an outer dimension somewhat larger than the tube (2) to be sealed, defining an annular compartment (4 | 08/15/2006 |
| 6966988 | Flushing adapter for filter An adapter is substituted for the filter-enclosing cap of a conventional in-line strainer device to permit introduction into a plumbing system of a flushing solution withdrawn from an independent supply. The adapter is typically used for introducing antifreeze into ... | 11/22/2005 |
| 6926313 | High pressure capillary connector A high pressure connector capable of operating at pressures of 40,000 psi or higher is provided. This connector can be employed to position a first fluid-bearing conduit that has a proximal end and a distal end to a second fluid-bearing conduit thereby providing flu... | 08/09/2005 |
| 6712090 | Hydraulic valve A fluid tank valve assembly of the type employed for water tanks for toilets has a tank refill valve located atop a fluid inlet supply tube. The refill valve has a lever that is raised and lowered to open and close the valve. An inverted, cup-shaped hood is position... | 03/30/2004 |
| 5997050 | Double cone coupling nipple of a steel tubing and method of making same A thin-walled steel tubing is to be constructed with a double cone coupling nipple for the tight screwed connection with a counterpart by way of a cap screw in a crack-resistant manner. The steel tubing is thin-walled and constructed of high-strength stee... | 12/07/1999 |
| 5803513 | Restrained sealed bolted joints of fluid piping systems, inclusive of an improved gland, an added compression control ring, and/or added skid pads placed on a grip ring In restrained sealed bolted joints of fluid piping systems, including both plastic and metallic pipe, improvements have previously been made in providing adequate grip rings to keep the inserted ends of pipe in place. When larger diameter pipes, especiall... | 09/08/1998 |
| 5738140 | Adjustable height extension stem and valve box assembly An adjustable-height extension stem and valve box assembly is provided for use with buried valves that is lightweight, readily adjustable to a large range of heights, and is capable of absorbing loads and impacts such that the loads and impacts are substa... | 04/14/1998 |
| 5433485 | Syringe tip retainer assembly The syringe tip is connected to a syringe head by an assembly that permits quick detachment and replacement of syringe tips without the use of tools. In one embodiment the assembly is adjustable for permitting or restricting rotation of the syringe tip.... | 07/18/1995 |
| 5433487 | Wall penetration sleeve A wall penetration sleeve for extending a conduit or pipe through a solid concrete, brick or other wall or connecting a first pipe provided on one side of the wall with a second pipe provided on the opposite side of the wall. The wall penetration sleeve i... | 07/18/1995 |
| 5370507 | Reciprocating chemical pumps Chemical pumps are disclosed in which all parts wetted by the fluid being pumped are made of fluoroplastic material, with the pumps having check valves that include floating ball members and O-rings positioned adjacent to the floating ball members. The re... | 12/06/1994 |
| 5335946 | Cooperating combination of a gland and a grip ring installed in restrained sealed bolted joints of fluid piping systems including both plastic pipe and metallic pipe A cooperating combination of a metallic gland and a metallic grip ring is for both plastic pipe and metallic pipe used in fluid piping systems, where these pipes are part of assembled restrained sealed bolted joints. The grip ring, in addition to two well... | 08/09/1994 |
| 5292156 | Corrugated pipe coupling A pipe coupling for the union of a corrugated pipe therewith is formed of a pipe coupling proper and a lock cylinder for fixing a corrugated pipe. The lock cylinder is helically joined to the inner surface of the leading part of the pipe coupling proper a... | 03/08/1994 |
| 5226678 | Split gland A split gland having only three parts to obtain effective stability to relative motion of the constituent half-gland members. A large area clamping ring generates a clamping force effective to maintain the alignment between male and female mirror image ha... | 07/13/1993 |
| 5141262 | Means of lowering the operational temperature for elastomeric seals A means is disclosed by which the operational temperature of a sealed relatively rotating device may be achieved at lower than recommended operational temperatures for the elastomer compound used as the sealing material.... | 08/25/1992 |
| 5112089 | Rapid assembly connector The invention has for an object a connector with rapid high pressure fastening, including a female element (1, 32 or 48) united to a connector organ and a male element (14, 24 or 40) fixed to a connector tube (15), including an O-ring seal (21 or 43) and ... | 05/12/1992 |
| 5050246 | Faucet extended nut A faucet extended nut for both anchoring a faucet to a sink and connecting the faucet to a water supply line under confined conditions. The nut includes an outer extended part adapted to be threadedly rotated on a faucet stem extending through an opening ... | 09/24/1991 |
| 4930816 | Joining structures for metal pipes A joining structure for metal pipes to be applied in each passage hole of a pipe fitting. This structure can save time in pipe fitting work, and can reinforce the mutual joined condition of a pipe and a pipe fitting.... | 06/05/1990 |
| 4919461 | Pressure cylinder pipe coupling A pressure cylinder, such as a master cylinder or wheel cylinder for an hydraulic vehicle braking system has a plastic molded body within which a threaded insert is engaged and restrained rotationally and axially. A seal is positioned within the body betw... | 04/24/1990 |
| 4911480 | Torque nut for setting a graphite seal A well has an improved means for sealing an annular space within the bore of the wellhead housing surrounding the casing. An annular shoulder is stationarily located in the bore of the wellhead housing. A seal locates on top of the annular shoulder, the s... | 03/27/1990 |
| 4886304 | Abrasive grip pipe coupling A rigid coupling for plain ended pipe includes radially inwardly movable wedging members of a hard but ductile material, which optionally may be in the form of a collet, and a member providing a camming surface corresponding with an external camming surfa... | 12/12/1989 |
| 4865363 | Pipe connection device for scientific equipment A pipe connection device for a scientific equipment in which a reduced diameter head having slits is formed at a front end part of a clamp covering a packing fitted to an outer circumference of the open end part of the pipe. A part of the packing is posit... | 09/12/1989 |
| 4836582 | Fluid coupling for engine A fluid coupling (10) for an engine is described. The coupling includes a housing (21) threaded (22) for connection to the engine with a rotatable conduit means (11) which allows connection of flexible cooling fluid hoses in sealed connection with the hou... | 06/06/1989 |
| 4826217 | Apparatus and method for sealing a tube joint A joint between a pair of coaxial tubes which extend into a pressure vessel from a surface is sealed using a sleeve-like housing which surrounds the joint to be sealed. An upper fluid-tight seal is formed between the longer of the tubes and the housing. A... | 05/02/1989 |
| 4826219 | Hydraulic dredge pipeline coupling A smooth bore, self-aligning connection for pipes of the type used in hydraulic dredging. In this connection, the spigot end of one pipe contacts metal to metal at the bell end of the other pipe. A packing gland is defined outwardly of the contacting pipe... | 05/02/1989 |
| 4793636 | Apparatus for joining hoses with connecting pieces The inventive apparatus permits the connection of hoses to connecting pieces, which have a threaded, a ribbed, or a smooth end. The apparatus comprises three parts, namely the threaded part 1, the hose part 2 and the locking ring 3. The threaded part 1 always ... | 12/27/1988 |
| 4792160 | Structure for pipe fittings An improved structure for a metal pipe fittings. Each passage hole of the body of a pipe fitting, such as an elbow, a tee, a cross etc., is provided with a female thread which a male-threaded ring screws in with tightly to press a metal ring and several g... | 12/20/1988 |
| 4776618 | High pressure coupling A high-pressure coupling for small-diameter pipe is obtained with standard male and female pipe connectors, three ferrules, an O-ring and a flat metallic washer disposed around the pipe and designed such that when the connectors are hand tightened, the co... | 10/11/1988 |
| 4717160 | High pressure rotary shaft seal A seal assembly for a shaft comprises one or more annular sealing elements having an initial internal diameter larger than the diameter of the shaft. The elements are deformed by a pair of annular backup rings disposed on opposite sides thereof. The backu... | 01/05/1988 |
| 4711311 | Vibration and erosion resistant nozzle An erosion and vibration resistant nozzle apparatus is disclosed for earth drilling rock bits. The nozzle includes a flow bean that is retained in a nozzle cavity by a threaded retainer, the retainer having at least one axially aligned slot therethrough t... | 12/08/1987 |
| 4708513 | Fatigue resistant coupling for tubular members An extended lift coupling for joining tubular members in an end-to-end relationship is disclosed. The coupling is of simple design having only three components: a pin, a box and a threaded lock ring. An external compressive axial preload places a torus on... | 11/24/1987 |
| 4690436 | Pipe coupling A pipe coupling having an annular gasket deformed and compressed within a closed gasket chamber to form a seal for a pressurized hydraulic line, for example, one wall of the gasket chamber being formed by the outer surface of a pipe end portion which is t... | 09/01/1987 |
| 4690437 | Low pressure fitting The disclosed fitting connects a tubing end to a fluid conducting member which have a fluid port and end walls surrounding the port and a threaded portion surrounding the end wall. The fitting comprises a ferrule of resilient deformable material having a ... | 09/01/1987 |
| 4679824 | Fluid-tight coupling for two sections of a fluid line In a fluid-tight coupling comprising a male fitting (1) having an axial channel (2) issuing to the outside via a radial opening (3) and forming the first section of the fluid line, said coupling requiring the male fitting to penetrate into a bore (6) in a... | 07/14/1987 |
| 4667987 | Device for connecting pipes with fittings A device for connecting pipes with fittings or fixtures for mixing fluids for use in cleaning, washing and rinsing basins, sinks or the like wherein the fitting has a casing supported over an opening of the washing basin or the like by clamping means capa... | 05/26/1987 |
| 4664425 | Pipe-flange coupling with irreversible screwing at rotation The pipe (2) is inserted in the through-hole of the flange (1) and the pipe-flange seal is assured by a fixing ring nut (6) screwed into the upper portion (5) of the hole. The hole, in the part opposite the threaded area (5), has an area (4) with a diamet... | 05/12/1987 |
| 4648634 | Hose connection A hose connection, particularly for use in motor vehicles, is proposed which ensures a gastight connection already with a low starting torque, is usable repeatedly and whose structural component parts are non-detachably held together in an assembly unit. ... | 03/10/1987 |
| 4621843 | Tube coupling A ring seal and beaded tube type tube coupling has the annular bead defined by a rigid ferrule sealingly fixed to the tube with the ferrule including an annular flange forming the bead and having a shank portion extending axially outboard of the flange to... | 11/11/1986 |
| 4621841 | Tubular coupler with retainer A coupling between first and second tubular members comprising a flexible retaining ring fitted over the first tubular member below an annular enlargement thereof and entering into screw-threaded engagement with internal screw-threading on the second tubu... | 11/11/1986 |
| 4614372 | Device for joining a pipe and a connection piece The device comprises a clamping jaw and a two-piece union nut. The clamping jaw is U-shaped in longitudinal section and straddles the end of the pipe so that it surrounds this pipe end from inside and from outside simultaneously. The two-piece union nut i... | 09/30/1986 |
| 4553776 | Tubing connector A small-diameter tubing connector and sealing apparatus for anchoring a tubing end in fluidtight engagement in high pressure service (up to 60,000 psi), said apparatus having four separate sealing areas.... | 11/19/1985 |
