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 |
| 7377307 | Vertical heat exchanger A vertical heat exchanger is described, which allows efficient elimination of the gas generated therein and efficient removal of the sludge accumulated therein. The vertical heat exchanger has at least part of one end of a vent pipe formed of an upper tube sheet par... | 05/27/2008 |
| 7350560 | Heat exchangers The invention concerns a heat exchanger with a large number of U-shaped tubes (3), preferably brought together to form at least one tubular bundle and arranged in a housing 2, and several partitions (4) subdividing the housing (2) into se... | 04/01/2008 |
| 7273087 | Assembly A tank for a radiator has an integral connecting member between the tank and the radiator. The integral connecting member is used to connect both a filing port and a ventilation port. The filling port is utilized for adding a liquid to the radiator and the ventilati... | 09/25/2007 |
| 7192271 | Method and cooling device for the subracks in a chamber furnace The invention relates to a ring furnace pit (2) cooling method, comprising the production of a flux F of cooling fluid inside the pit (2) and the flow of at least a part Fr of said flux F in a roughly vertical manner along determined surfaces of the wa... | 03/20/2007 |
| 7168683 | Oil drain valve A drain valve to be used with numerous drain applications, such as draining fluid from an engine, includes in an exemplary embodiment a valve body, an o-ring and a cap. In another exemplary embodiment, the drain valve includes a valve body, an o-ring, a cap retainer... | 01/30/2007 |
| 7051797 | Heat exchanger A heat exchanger, comprising a shell designed as a pressure vessel, provided with shell-sided supply and discharge means with which the shell can be flowed through with a first medium under pressure. The heat exchanger further comprises a nest of tubes extending at ... | 05/30/2006 |
| 7043929 | Alcoholic beverage dispenser with temperature control An alcoholic beverage dispenser includes a housing, a holding tank, a cap member, a cooling device, and a dispensing valve. The housing has a top end formed with a beverage inlet. The holding tank is mounted in the housing, is in fluid communication with the beverag... | 05/16/2006 |
| 6904958 | Heat exchanger A tapered section and a flange section which constitute reinforcements are provided on mounting members to which a blower (fan shroud) is to be attached. The reinforcements are provided on the sides of the reinforcements which are in contact with a longer side wall ... | 06/14/2005 |
| 6796369 | Method and apparatus to prevent metal dusting An apparatus and a method for inhibiting metal dusting corrosion of a tubesheet inside a shell-and-tube heat exchanger having at least one exit nozzle for transmitting at least one process fluid from the shell-and-tube heat exchanger include and use: an isolation ba... | 09/28/2004 |
| 6739352 | Self-piercing radiator drain valve A self-piercing radiator drain valve which is implemented in a radiator requiring the coolant therein to be drained, particularly a radiator having no integrated drain valve. A radiator foot has a blind bore. A self-piercing valve body including a piercing tip and a... | 05/25/2004 |
| 6619380 | Heat exchanger drain assembly having a frangible wall A heat exchanger (10) having a heat exchanger drain assembly (28) comprising a manifold (12) for storing fluid. A drain port (20) is integrally formed with the manifold (12) and is in selective fluid communication with the reservoir (36) for selectively d... | 09/16/2003 |
| 6616411 | Fan blade for agricultural combine cooling system A passive fan blade for a cooling package for use in an agricultural combine comprises a generally rectangular member having an axis, a central mounting area and two opposed legs, each leg having a middle region, a leading region and a trailing region, th... | 09/09/2003 |
| 6167946 | Heat exchanger mounted to vehicle A radiator includes a core portion, a header tank, a side plate attached to the core portion and a bracket through which the radiator is mounted to a vehicle. The bracket is separately formed from the header tank, and is connected to the side plate throug... | 01/02/2001 |
| 6076597 | Helical coil heat exchanger with removable end plates A heat exchanger for heat exchange between a working fluid and a coolant having an inner casing, an outer casing, and an annular space formed therebetween. A tube bundle including at least one tube formed into a helical coil is located within the annular ... | 06/20/2000 |
| 5992507 | Geothermal community loop field A geothermal community loop field which serves as a shared means of heat exchange for a plurality of thermal loads. Heat is exchanged between the ground and a circulating heat exchange fluid in at least one subterranean heat exchanger. Heat is exchanged b... | 11/30/1999 |
| 5762130 | Down flow, two pass radiator with air venting means A down flow, two pass radiator includes a means for selectively venting air displaced during coolant fill from one side of the top tank flow baffle to the other, while the baffle remains fluid tight during normal operation. The uppermost wall of the top t... | 06/09/1998 |
| 5613549 | Method and apparatus for selectively sealing and securing a sensor of a sealing plug to a part An adaptor-retainer for quickly and easily selectively securing either a temperature sensor or a sealing plug in an opening in an automotive vehicle radiator header, depending upon whether that vehicle is or is not to be provided with a temperature sensor... | 03/25/1997 |
| 5481883 | Method and apparatus for reduction of refrigerant gases escaping from refrigeration systems A refrigerant purging and storage system is provided operative, responsive to the operating pressure of refrigerant gas within the suction line dropping to a predetermined low pressure below the range of normal operating pressure of that suction line, to ... | 01/09/1996 |
| 5479961 | Method of plugging a heat exchanger tube and plug therefor A plug for sealing the open end of a tube located in an opening in a tube sheet of a heat exchanger is described along with a method of installing the plug. The plug is comprised of a generally cylindrical metallic body of ductile material that is inserte... | 01/02/1996 |
| 5456290 | Tube plug having a flange sealing a chamber for plugging a tubular member Tube plug and method for plugging a heat exchanger tube having an inner wall, which tube plug has a reduced susceptibility to stress corrosion cracking. The tube plug includes a shell having a closed end, an open end and an outer wall, the shell defining ... | 10/10/1995 |
| 5426941 | Vapor condensation and liquid recovery system A vapor condensation and liquid recovery system is provided where a turbine chamber is connected to a multi-chambered condensation unit. Each chamber of the condensation unit has a valved inlet port and a valved outlet port. The valved inlet ports of each... | 06/27/1995 |
| 5323846 | Fluid circulator and temperature regulator A fluid circulator and temperature regulator apparatus for use in an electrophoresis process with a sequencing cell including a cooling jacket having an inlet and an outlet, the apparatus being adapted to be connected to the cooling jacket inlet and outle... | 06/28/1994 |
| 5300708 | Process for the catalytic hydrogenation of organic compounds in the gas phase A process for the catalytic hydrogenation of organic compounds in the gas phase. The reaction product-containing circulating gas leaving the hydrogenation reactor is compressed without prior cooling, and is then used to heat the starting materials in a su... | 04/05/1994 |
| 5267606 | Vehicular flushing and draining apparatus and method The apparatus and method for flushing and draining the cooling system of a vehicle employs a drain pipe. The drain pipe connects to the bottom of the radiator, the bottom of the engine block or the lower radiator hose and has a bend of 180° above both th... | 12/07/1993 |
| 5255717 | System for removing a plug from a heat exchanger tube An improved, easily removable plug for plugging the open end of a heat exchanger tube in a nuclear steam generator is disclosed herein. The plug generally comprises a cylindrical shell of Inconel.RTM. having tapered side walls, a closed end, an open end, ... | 10/26/1993 |
| 5249604 | Tube plug for plugging a tube A fastener structure for fastening together a plurality of members, such as the plurality of members comprising a tube plug, and a method for plugging an opening in a solid member, which may be a tube, for preventing the flow of fluid through the opening ... | 10/05/1993 |
| 5246202 | Draincock assembly A draincock assembly is designed so it may be molded with the radiator tank. The draincock assembly includes a drain for draining fluid from the heat exchanger. The drain includes a cam surface which receives a pin of a draincock therein. The draincock mo... | 09/21/1993 |
| 5135705 | Plug and method for plugging a penetration in a pressure vessel wall A plug and method for plugging a penetration in a pressure vessel wall having a sleeve protruding through the penetration. The sleeve is cut at a point between the interior and exterior surfaces of the pressure vessel wall. The cut portion of the sleeve e... | 08/04/1992 |
| 5097894 | Vehicular flushing and draining apparatus and method The apparatus and method for flushing and draining the radiator and cooling system of a vehicle employs a drain pipe which allows for draining of the radiator and flushing of the cooling system. A drain pipe which connects to the bottom of the radiator ha... | 03/24/1992 |
| 5033511 | Device for the pressure-sealed obturation of a portion of a primary duct of a pressurized-water nuclear reactor The device for pressure-sealed obturation comprises a flexible tubular casing (22) having an open end along the perimeter of which the casing constitutes an inflatable toric seal (30) and a base (22a) in the form of a glove finger on which there is fixed ... | 07/23/1991 |
| 5022437 | Hollow plug for blocking a heat exchanger tube A hollow plug for blocking a heat exchanger tube includes an expansion zone expanded into a frictional connection with the heat exchanger tube. An outer surface in the expansion zone has a first part with a relatively greater surface hardness and a second... | 06/11/1991 |
| 5016674 | Rod plug caps The present invention relates to rod plug caps for leaky tubes of a heat exchanger. The rod plug caps include a frustrum shaped tapered hollow plug having a top, a length, and a diameter. The diameter of the top being the widest of the plug. A plug nut is... | 05/21/1991 |
| 4986313 | Sealing plug for a steam-generator tube The plug comprises a tubular body (2), closed at one of its ends by a bottom (3), a bush (5) placed inside the body (2) in an expansion zone and an expander core (6). The bush (5) has at least two elastic cylindrical sectors, separated by at least two lon... | 01/22/1991 |
| 4982764 | High confidence tube plug A high confidence tube plug for sealing the bore of a tube against fluid flow has an elastomeric sleeve for sealing the tube. An axially aligned hydroscopic disk swells when contacted with water to frictionally grip the tube. The sleeve and the disk are f... | 01/08/1991 |
| 4936376 | Synthetic gas cooler with thermal protection In a heat exchange vessel which conducts a hot, pressurized synthetic gaseous stream carrying particulate matter through a central heat exchange chamber, a safety system for monitoring pressures within the vessel. Said heat exchange vessel includes a shel... | 06/26/1990 |
| 4928754 | Heat exchanging apparatus A heat exchanging or circulation apparatus comprising a system of conduits connected to an inlet and an outlet for circulating water or other practically incompressible liquid through the system, heat being transferred through the conduit walls, circulati... | 05/29/1990 |
| 4874033 | Rapid warmer for blood and blood products Device for warming or defrosting products for injection or perfusion, particularly blood products, contained in hermetically sealed bottles or bags (10), comprising a cell (1), means making it possible to continuously introduce temperature-controlled wate... | 10/17/1989 |
| 4823846 | Tube plug tip restrainer apparatus Apparatus for restraining the tip of a tube plug from traveling in a tubular member when the tip is fracturedly separated from the plug during the process of extracting the plug from the tubular member. The tube plug includes a shell defining an open cavi... | 04/25/1989 |
| 4811759 | Device for the fluidtight closure of an aperture extending through a wall The device comprises a sleeve (1) and a stopper (5). The inside bore of the sleeve (1) comprises a part having a diameter smaller than the outside diameter of the stopper (5) and ending in a shoulder (2c), against which the stopper (5) comes to bear. Swag... | 03/14/1989 |
| 4798242 | Heat exchanger for recovering heat from exhaust gases A heat exchanger for recovering heat from exhaust gases which includes a plurality of separately divided portions, a fluid passage mechanism for a fluid disposed within each of the portions, a bypass mechanism for the fluid for bypassing each of the porti... | 01/17/1989 |