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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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Class 285/357 - Threaded


Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter comprising internally and externally threaded
No. of patents: 36
Last issue date: 01/29/2008


NumberTitleIssue Date
7322615Adjustable plumbing fitting
An adjustable plumbing fitting is adapted to adjust a length of connection between supply and inlet pipes, and includes a sleeve member, a collar member, and a sealing member. The sleeve member includes an annular section sleeved on and threadedly engaged with the i...
01/29/2008
7290805Pipe clip
A pipe clip includes upper and lower clip members that are pivoted at one end and form upper and lower slots with a locking bar fixed in the lower slot. The upper and lower clip members form upper and lower grooves for receiving and thus engaging flanges of pipe sec...
11/06/2007
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
7032933Pipe connecting device
A pipe connecting device designed for detachable, sealing assembly of two pipe ends which device consists of an outer part and an inner part inserted axially into the outer part and cooperating therewith for internal connection to the first pipe end. The cooperating...
04/25/2006
6845826Saver sub for a steering tool
According to one embodiment of the invention, a saver sub for a steering tool includes a main body having an external thread portion adapted to threadably couple to a box end of the steering tool and an internal thread portion adapted to threadably couple a drill bi...
01/25/2005
6755445Fitting
A fitting for coupling a pump attachment to the inlet or discharge port of a pump or compressor has an annular body with an externally threaded nipple at one end and a circular flange at the other end. An axial aperture extends between the ends through openings at t...
06/29/2004
6712090Hydraulic 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
6685237Torque resistant retrofit for compression metal face seals
A retrofit fitting for an externally threaded male nut that carries a face seal. The fitting is an adaptor with an internal thread to be threaded onto the male nut and an external thread to receive a female nut. The fitting carries a plurality of blades t...
02/03/2004
6604763Expandable connector
An expandable threaded connection includes a first tubular member, a second tubular member and a threaded connection for coupling the tubular members that includes one or more sealing members....
08/12/2003
6530608Universal adapter for connectors and valves
An adapter and associated apparatus for transferring gas/fluid are presented herein. The adapter is configured to connect valves and connectors of plural sizes to each other. The adapter includes an outer surface having an outer thread for connection to a...
03/11/2003
6354637Adapter for connector and valves
An adapter and associated apparatus for transferring gas/fluid are presented herein. The adapter is configured to connect valves and connectors of plural sizes to each other. The adapter includes an outer surface having an outer thread for connection to a...
03/12/2002
6237969Connector for connecting spirally corrugated pipe to wall
There is disclosed a spirally corrugated pipe-connecting connector which enables a pipe to be quite easily fixed rapidly to a handhole or the like, and maintains a sealed condition between the inside and outside of the pipe, and enables an electric cable ...
05/29/2001
6050609Positive lock coupling
A first coupling member has a peripheral facing surface with a pair of annular slots, each of a different length and width. A second coupling member has a lock ring longitudinally slidable thereon with a facing surface having a pair of annular raised lock...
04/18/2000
5542718Adjustable tail ground joint
An adjustable plumbing conduit for connecting the inlet of a flush valve body and the outlet of a control valve wherein the flush valve body inlet has interior threads and the control valve outlet has exterior threads. The adjustable plumbing conduit incl...
08/06/1996
5503187Multiple synchronized thread connector
A screw-threaded connection incorporates multiple synchronized threads, that is, one connection element has one or more sets of male threads that mates with one or more corresponding sets of female threads on the mating connection element, in customary fa...
04/02/1996
5487569Connector for three or more capillary tubes
An easily-assembled, heat resistant connector for releasably joining end portions of three capillary tubes for use in chromatography without interrupting flow or interfering with chromatographic results comprises a main body, and a glass insert which has ...
01/30/1996
5399807Explosion-proof electrical apparatus and method of assembly
An explosion-proof electrical apparatus comprises two enclosures containing electrical devices. The enclosures are physically interconnected by a one-piece or two-piece hollow sleeve member which is screwed into threaded holes of the enclosures. A fitting...
03/21/1995
5314209Blast joint for snubbing unit
A blast joint for use with a snubbing unit includes a casing around the protective rings and means for sealing around the bottom of the rings between the tubing and the casing....
05/24/1994
5303553Device for connecting tubes end-to-end and gas launcher fitted with such devices
A device for connecting two tubes end-to-end. At least one of the tubes is movable longitudinally to be connected to the other tube. A screwthreaded nut joins the two tubes. The first tube has at its end an outside screwthread of diameter d1 and pitch p1....
04/19/1994
5234235Connection apparatus
An improved apparatus for connecting first and second conduits, which may be capillary columns, having first and second bores, respectively, to provide communication between the first and second bores for high temperature operation over wide variations in...
08/10/1993
5156536Safety hand pump
This invention is a small hand piston type pump design to pump small quanity of flammable liquids safely from a drum. The pump has a grounding clip, and a bonding clip attached and a metal bung adapter to ensure that static build up during the pumping pro...
10/20/1992
5152556High temperature tubing joint with threaded, split collar
A connector system for joining a male tube to a female tube comprises an axially-split nut which extends across the region being joined. The female tube is externally threaded and mates with internal threads on one end of the axially-split nut. A shoulder...
10/06/1992
5104151Coupler apparatus for connecting a conduit to an equipment opening having damaged threads
Apparatus for connecting a conduit to an equipment opening having damaged female threads includes a body, an annular packing ring and a packing follower. The packing ring is formed of an extrudable, non-resilient packing material. The body and the packing...
04/14/1992
5068919Spacesuit sizing system
A system for adjusting the size of a spacesuit is provided in which threaded rings of varying sizes are screwed into annular collars which are affixed to the section of the spacesuit whose size is to be adjusted. The rings and the collars include redundan...
12/03/1991
5059043Blast joint for snubbing unit
A blast joint for use with a snubbing unit includes a casing around the protective rings and means for sealing around the bottom of the rings between the tubing and the casing....
10/22/1991
4953896Structure for connecting branch pipe in high-pressure fuel manifold
A structure for connecting a branch pipe in a high-pressure fuel manifold employs a nut to fasten the branch pipe to a main pipe, the nut having threaded surfaces which are simultaneously brought into thread engagement with the branch pipe and a coupling ...
09/04/1990
4923225Assembly for connecting a metal member to a ceramic refractory member
A member formed of ceramic refractory material has therein an opening. A metal coupling member for attaching a metal member such as a rod or a tube, to the refractory member has an externally threaded portion extending into the opening in the refractory m...
05/08/1990
4900180Structure for connecting branch pipe in high-pressure fuel manifold
A structure for connecting a branch pipe in a high-pressure fuel manifold employs a nut to fasten the branch pipe to a main pipe, the nut having threaded surfaces which are simultaneously brought into thread engagement with a collar member fitted on the b...
02/13/1990
4798404Pipe coupling
The invention relates to a pie coupling, including a connection (3), arranged to receive with sliding fit a coupling member (5) which, on forced axial displacement into or in over the connection, is intended to act on clamping and sealing means (6), for t...
01/17/1989
4756542Separable multiple-wheel cycle
A seperable multiple-wheel cycle includes an upper coupler operatively coupling or uncoupling a left top-tube portion of a top tube secured toward a rear wheel and a right top-tube portion of a top tube secured toward a front wheel, a lower coupler operat...
07/12/1988
4723795Instrument penetration for high pressure vessels
A connector assembly and an installation method therefor provides a fluid-tight joint between a nozzle and a column concentrically supported within the nozzle. An annular seal assembly is disposed above a flange formed on the interior of the nozzle. A spa...
02/09/1988
4295666Shrouded tube and coupling therefor
A shrouded tube construction including concentric tubes is attached to a cooperating coupling in such a manner as to prevent leakage from either tube, and to provide a resilient, flexible seal that permits a degree of misalignment and permits use of light...
10/20/1981
4289334Socket connection for an enamelled vessel
The present invention relates to a steel socket connection for an internally enamelled steel vessel in which presentation of bare ferrous metal to the contents of the vessel is reduced to a minimum. The socket comprises a parallel portion adjacent the ves...
09/15/1981
4266538Pressure regulator
A regulator for underwater diving having an improved first stage wherein the bias of the coil spring is varied by changing the relative position of the piston seat which can be readily accessed. The second stage of the regulator is capable of satisfying t...
05/12/1981
4181175Control line exiting coupling
The control line exiting coupling provides radial penetration of a control line through a tubing hanger wall, with a back seat for sealing should internal pressure create a packing leak on the penetrator. The back seat further prevents withdrawal of the d...
01/01/1980
3965977Control line exiting coupling
The coupling comprises a flexible conduit, a packoff assembly, and a gland nut for compressing the packoff assembly. The conduit passes through a passage in a first member and is secured to the outlet of a second member. The nut is threaded into the passa...
06/29/1976
 
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