U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"I think there is a world market for maybe five computers."

Thomas Watson, chairman of IBM ; 1943

Newsletter  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.

 

Class 285/52 - Screw thimble


Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter wherein the intermediate joint comprises
No. of patents: 31
Last issue date: 06/26/2007


NumberTitleIssue Date
7234731Gas 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
7195288Pipe 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
7178838Nut 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
7163238Connector 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
7156425Quick 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
7100948Tube 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
7000953Pipe 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
6916248Flexible 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
6568718Junction 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
6460898Universal 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
6439324Electrically 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
6422606Fluid 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
6286875Electrically 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
6073332Corrosion 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
5588682Electrically 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
5447340Electrically 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
5308122Tube 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
5114190Electrically 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
5088773Electrically 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
4991876Connector 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
4927186Dielectric 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
4887847Tube 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
4848804Dielectric 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
4801158Pipe 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
4605248Insulating 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
4602809Miniature 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
4600218Separable 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
4595218Insulative 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
4422674Tamper 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
4411457Insulated 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
3937496Flexible 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
 
Sign InRegister
Username  
Password   
forgot password?