"I think there is a world market for maybe five computers."
Thomas Watson, chairman of IBM ; 1943
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 |
| 7234731 | Gas feed pipe connecting screw for continuous casting nozzle A gas feed pipe connecting screw for a continuous casting nozzle which is mounted to the continuous casting nozzle formed with an axially extending ring-shaped slit concentric with a nozzle bore. The screw connects the nozzle to a gas feed pipe for blowing a gas int... | 06/26/2007 |
| 7195288 | Pipe coupling The invention relates to a pipe coupling comprising a socket component and an insert component which is partially insertable to securely fit into the socket component. A ring groove between the socket component and the insert component is sealed by a ring seal. The ... | 03/27/2007 |
| 7178838 | Nut and tail assembly A nut and tail assembly (10) and method of manufacture including a nut (12) having a first end and an inward flange (24) at the other end, a longitudinal cylindrical hollow body (14) having a first end and a second end at which is located... | 02/20/2007 |
| 7163238 | Connector for flexible and semi-rigid pipings A connector for a flexible pipe comprises a connector body having an end portion for coupling to a flexible pipe. The end portion includes a frusto-conical portion and an adjacent cylindrical portion. The frusto-conical portion has its widest portion adjacent the cy... | 01/16/2007 |
| 7156425 | Quick connect and quick disconnect plumbing apparatus A plumbing apparatus for connecting a tankless hot water heater to a cold water supply line and a hot water outlet line includes a union and a tee that are interconnected to one another. A first connector at one end of the union is provided for connecting the union ... | 01/02/2007 |
| 7100948 | Tube couplings A tube coupling has a coupling body with a throughway open at one end to receive an end portion of a tube. A seal encircles the throughway to seal with the periphery and end of the tube and a cap is mounted on the body having a tube locking device rotatably mounted ... | 09/05/2006 |
| 7000953 | Pipe screw-connection A pipe screw-connection for connecting a pipeline having a connection end with a deformed annular bead, including a connection stub and a screw-connection coupling part, which can be screw-connected to the connection stub in order to retain the pipeline in a sealed ... | 02/21/2006 |
| 6916248 | Flexible coupling Flexible couplings are provided comprising a male member disposed within a female member in a spaced apart configuration, with the space being filled, at least partially, with an elastically deformable material. The male and female members comprise features that pre... | 07/12/2005 |
| 6568718 | Junction for flexible tube for high pressure fluids A junction for a flexible tube for high pressure fluids which comprises a sleeve pressed down onto the flexible tube, for coupling with a connection element of the flexible tube, where a female rotating threaded connection element is connected to the conn... | 05/27/2003 |
| 6460898 | Universal pipe joint A universal pipe joint for attaching two round pipes together accommodating misalignment using a female adapter fitting (30) engaging a male adapter fitting (44), each having a radial interior and exterior diameter (38) and (50) with a compression nut (52... | 10/08/2002 |
| 6439324 | Electrically insulating gap subassembly for downhole electromagnetic transmission An electrically insulating gap subassembly for inclusion in a pipe string (30) comprising a pair of tubular members (90, 98) having an electrically insulating isolation subassembly (94) threadably disposed therebetween is disclosed. The electrically insul... | 08/27/2002 |
| 6422606 | Fluid conducting connector assembly A fluid conducting connector for use in water connections particularly water heater connectors. The connector assembly is designed for mating connection to a galvanized nipple for reduction of galvanic corrosion between dissimilar metal connections. An in... | 07/23/2002 |
| 6286875 | Electrically insulated integral union pipe gas line system A system and method for electrically isolating conduit connections in a gas line system for residential, commercial or industrial applications. Gas line conduit of standard configuration is cut to length and upset at one end to create an annular flange of... | 09/11/2001 |
| 6073332 | Corrosion resistant tubular system and method of manufacture thereof A corrosion resistant tubular system is formed of a length of pipe in which each of the opposed ends terminate in a reduced external diameter integral tubular lip portion and, spaced from the lip portion, increased diameter external threads compared to th... | 06/13/2000 |
| 5588682 | Electrically insulating gas line system A system and method for electrically separating meters and pipes which carry combustible gases. The system includes at least one coupling (10). The coupling connects an electrically conductive conduit (12) to a gas meter (82) or other device. The coupling... | 12/31/1996 |
| 5447340 | Electrically insulated piped coupling employing a radial insulating barrier An electrically-insulated pipe coupling includes a first tubular metal body, a second tubular metal body which has a cylindrical section and which has molded onto it an electrically-insulating covering extending over the end of the body and a portion of t... | 09/05/1995 |
| 5308122 | Tube coupling A tube coupling is disclosed which electrically insulates the tube from the coupling. A metallic nut and body interact with a non-metallic coupling to constrict the non-metallic coupling about the tube end providing multiple seals and seats while avoiding... | 05/03/1994 |
| 5114190 | Electrically insulated tube union An electrically insulated tube union includes a pair of tube fitting assemblies and an electrically non-conductive connector. Each tube fitting assembly has a fitting body, a fitting nut and a threaded ferrule. The connector has a body with an external ra... | 05/19/1992 |
| 5088773 | Electrically insulating pipe coupling apparatus An electrically insulating pipe coupling assembly for electrically isolating pipe sections to which an electric current is applied. The apparatus includes first and second extension members formed having an integral flange with a protruding annular sealin... | 02/18/1992 |
| 4991876 | Connector assembly for hot water heaters and other appliances An improved connector has a flexible braided metal hose assembly with a compression fitting or pipe fitting at one end and a special composite fitting assembly with an electrically insulating insert in a metal male outer fitting at the other end for conne... | 02/12/1991 |
| 4927186 | Dielectric joint, particularly for metallic conduits for liquids and/gases The joint comprises a first end portion to be coupled and shaped like a sort of cup, in which a second portion, shaped like a flange, and to be joined to the first one, is insertable, wherein the second portion is internally occupied for a section by a pr... | 05/22/1990 |
| 4887847 | Tube Connector A metal connector for the end of an internally and externally plastics coated metal tube maintains the metal of the tube, for example aluminium, out of contact with the metal of the connector, for example brass, and thereby avoids problems of anodic corro... | 12/19/1989 |
| 4848804 | Dielectric coupling A dielectric tube coupling includes a tube-like body having a circumferential ramp on the exterior periphery thereof. Opposed, non-conductive flared sleeves are disposed in surrounding relationship with the body so that the flared portions thereof closely... | 07/18/1989 |
| 4801158 | Pipe joint A pipe joint includes a joint body having an internal thread portion formed in the interior thereof, a bush having formed on the outer periphery thereof an external thread portion helically meshed with the internal thread portion of the joint body, a gask... | 01/31/1989 |
| 4605248 | Insulating union and method An improved insulating union is provided of the type designed to prevent electrolytic corrosion in flow lines. The tail sub is physically separated from both the threaded sub and nut by a plastic layer. An annular groove is conventionally provided in the ... | 08/12/1986 |
| 4602809 | Miniature O-ringless gas line isolator A separable electrical isolator for coupling two pieces of conductive tubing carrying high pressure cryogenic gas includes a gas-impervious dielectric spacer with a bore in which the pieces of tubing are sealed axially-aligned in fluid communication with ... | 07/29/1986 |
| 4600218 | Separable high pressure gas line isolator A separable electrical isolator for coupling two pieces of conductive tubing carrying high pressure cryogenic gas includes a gas-impervious dielectric spacer with a pair of opposing surfaces and a bore extending therebetween in which the pieces of tubing ... | 07/15/1986 |
| 4595218 | Insulative coupling An insulative coupling for coupling a first tube to a second tube for fluid flow therebetween. The coupling includes an insulative washer and an insulative bushing cooperating with a flange connector associated with one of the coupling body elements to pr... | 06/17/1986 |
| 4422674 | Tamper proof gas meter Disclosed is a gas meter provided with means for preventing unauthorized disconnection from the gas pipeline and unauthorized access to the interior of the meter housing.... | 12/27/1983 |
| 4411457 | Insulated pipe joint An insulated pipe joint and a method for producing the joint in which first and second tubular portions are joined through an insulating member disposed in a gap between the first and second tubular members. The first tubular member has a flange portion a... | 10/25/1983 |
| 3937496 | Flexible coupling This invention relates to the art of pipe couplings and more particularly to a coupling that includes a first fitting to which one pipe is connected, a second fitting to which a second pipe is connected, a connector sleeve which releasably joins such fitt... | 02/10/1976 |