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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| Number | Title | Issue Date |
| 7322615 | Adjustable 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 |
| 7290805 | Pipe 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 |
| 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 |
| 7032933 | Pipe 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 |
| 6845826 | Saver 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 |
| 6755445 | Fitting 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 |
| 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 |
| 6685237 | Torque 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 |
| 6604763 | Expandable 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 |
| 6530608 | Universal 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 |
| 6354637 | Adapter 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 |
| 6237969 | Connector 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 |
| 6050609 | Positive 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 |
| 5542718 | Adjustable 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 |
| 5503187 | Multiple 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 |
| 5487569 | Connector 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 |
| 5399807 | Explosion-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 |
| 5314209 | Blast 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 |
| 5303553 | Device 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 |
| 5234235 | Connection 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 |
| 5156536 | Safety 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 |
| 5152556 | High 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 |
| 5104151 | Coupler 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 |
| 5068919 | Spacesuit 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 |
| 5059043 | Blast 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 |
| 4953896 | Structure 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 |
| 4923225 | Assembly 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 |
| 4900180 | Structure 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 |
| 4798404 | Pipe 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 |
| 4756542 | Separable 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 |
| 4723795 | Instrument 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 |
| 4295666 | Shrouded 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 |
| 4289334 | Socket 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 |
| 4266538 | Pressure 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 |
| 4181175 | Control 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 |
| 3965977 | Control 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 |