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 |
| 8033327 | Device for extracting heat from gas and for recovering condensates A device for extracting heat from gas, particularly combustion gas, containing dust and/or condensable substances, for recovering condensates, and including at least one heat exchanger including a shell having a symmetry of revolution surrounded by a cooling jacket.... | 10/11/2011 |
| 7921905 | Plastic intercooler A plastic intercooler assembly includes a plurality of plastic tubes that extend between plastic end plates. The plastic tubes are secured to the end plates to provide the desired seal between the end plates and the ends of the tubes. The plastic tubes are attached ... | 04/12/2011 |
| 7442882 | 3D checkerboard perforation pattern for increased shielding effectiveness An improved electromagnetic radiation (EMR) shield that has minimal airflow resistance is presented. The EMR shield includes: a base plate; and plurality of columns that project away from the base plate, wherein each of the columns has a first end that is attached t... | 10/28/2008 |
| 7389811 | Expanded metal A sheet of expanded metal produced by slitting a sheet of metal, and stretching along a stretching direction, which sheet of expanded metal forms a grid of openings having a first repetition length in the stretching direction and a second repetition length in the di... | 06/24/2008 |
| 7384539 | Optimized preheating of hydrogen/hydrocarbon feed streams An improved and simplified hydrocarbon processing system is provided which has a mixing section for mixing of hydrogen and hydrocarbon to form combined, two-phase streams, as well as an indirect heat exchange section having a plurality of double-pass shell-and-tube ... | 06/10/2008 |
| 7370469 | Rocket chamber heat exchanger A rocket engine chamber has a back structure and a heat exchanger structure located radially inwardly of the back structure. The heat exchanger structure has a plurality of integrally formed cooling passageways with adjacent ones of the passageways having a common s... | 05/13/2008 |
| 7367380 | Coil type turn-fin condenser Disclosed herein is a turn-fin condenser. The turn-fin condenser employs a turn-fin tube adhesively wound in a spiral shape around an outer surface of the tube in which refrigerant flows. The condenser comprises a coil type turn-fin tube 10 wound in a coil sh... | 05/06/2008 |
| 7343964 | Anti-vibration tube support A support device for supporting a plurality of elongated members. The support device having a longitudinally extensive strip having a plurality of sets of transverse corrugations located at successive longitudinal locations along the strip. Each set of transverse co... | 03/18/2008 |
| 7320178 | Standoff for cold plate and cold plate made with the standoff A standoff for a cold plate and a cold plate using the standoff are characterized by a coil pack consisting of a plurality of individual fluid conveying tubes formed into a coil pack having a desired configuration and held in place by a plurality of retaining wires.... | 01/22/2008 |
| 7284598 | Support for a tube bundle A support for a bundle of parallel tubes, comprising at least two spaced apart transverse support plates, wherein each plate is provided with a plurality of openings of substantially rhombical or substantially frustro-rhombical shape, each of which openings having a... | 10/23/2007 |
| 7267164 | Anti-vibration tube support A tube support device for a plurality of elongated members is disclosed. The support device includes an elongated longitudinally extending strip having a pair of opposing faces. The strip includes a plurality of engaging members extending from the pair of opposing f... | 09/11/2007 |
| 7260320 | Electric heat tracing Heat tracing of an elongate, thermally-insulated substrate is effected by means of one or more elongate, constant wattage electric heaters mounted in thermal contact therewith beneath the thermal insulation. A metal conduit is mounted on the substrate and extends aw... | 08/21/2007 |
| 7243707 | Flat tube exhaust heat exchanger with bypass A heat exchanger including flat tubes having cooling passages for a gas and a bypass for the gas separate from the cooling passages, and coolant channels defined between every two flat tubes adjacent the tube passages and spaced from the bypass of the tubes. The tub... | 07/17/2007 |
| 7231966 | Evaporator for refrigerating cycle An evaporator for an air conditioning apparatus has an upper and a lower tanks and multiple tubes vertically extending and respectively connected to the tanks at upper and lower ends. A fluid passage portion is formed in the lower tank. Multiple drainage recesses ar... | 06/19/2007 |
| 7220048 | Mixer/heat exchanger A combination static mixer and heat exchanger having heat exchanger tubes (1) which are provided over their circumference with fins (2a, 2b) which have a static mixing effect. ... | 05/22/2007 |
| 7213639 | Heat exchanger exhaust gas recirculation cooler A two-pass, loop flow heat exchanger includes an inlet plenum that receives a fluid to be cooled, a housing, a plurality of inlet flow passages substantially centrally positioned within the housing and having a first end fluidly coupled to the inlet plenum to receiv... | 05/08/2007 |
| 7210469 | Oxidation catalyst coating in a heat exchanger A method for an internal combustion engine includes the steps of collecting exhaust gas in a volume (902) and flowing exhaust gas out of the volume in a first and a second portions (904). The first portion forms a tailpipe gas stream (906), and ... | 05/01/2007 |
| 7198037 | Bypass for exhaust gas cooler An exhaust gas recirculation cooler, typically of the drawn cup design, with a bypass and control valve is disclosed. The control valve can direct a proportion of the exhaust gas to the cooler and a proportion to bypass the cooler depending on the input temperature ... | 04/03/2007 |
| 7182126 | Fluid heater A heat distribution apparatus comprising a fluid conduit having a peripheral wall defining a flow passage and a pair of fluid capillaries extending along the wall and secured thereto. The capillaries being connected to one another in series to provide a fluid flow p... | 02/27/2007 |
| 7182045 | Split ring casting for boiler tubes with protective shields A series of upright boiler tubes periodically exposed to the abrasive action of a stream of blowing fluid cleaning medium. Vertically spaced shields mounted on the boiler tubes for protection from the fluid cleaning medium. A split ring casting located between the p... | 02/27/2007 |
| 7168419 | Exhaust gas heat exchanger The invention relates to an exhaust gas heat exchanger comprising a bundle of pipes consisting of exhaust gas pipes and a bypass channel in a common housing. The pipe bundle is arranged in a first chamber that is crossflown by a liquid coolant and the bypass channel... | 01/30/2007 |
| 7159643 | Heat storing element and method for manufacturing heat storage apparatus using the element Appropriate amount of brazing material is put on each of inner and outer recessed portions of a first heat storing element. Then, the first heat storing element is placed close to and substantially parallel to a second heat storing element, and an inner projected po... | 01/09/2007 |
| 7159650 | Heat exchanger A heat exchanger (20) includes a stack (22) of heat exchanger tubes (24), with the stack (22) having a pair of spaced ends (26, 28) that are received into respective manifolds (30, 32) that direct a first fluid (33), ... | 01/09/2007 |
| 7152671 | Exhaust gas heat exchanger A tube 101 is constituted by a pair of plates 111a, 111b which are fitted with each other in such a manner as to put an inner fin 101b between the plate 111a and the plate 111b. Differences... | 12/26/2006 |
| 7143618 | Method of making pre-formed tubular members A method of making a pre-formed tubular member includes the steps of providing a tubular member extending longitudinally and providing a bending assembly having a mandrel with at least one ball and a bending die. The method also includes the steps of positioning the... | 12/05/2006 |
| 7117935 | Support system for tube bundle devices A tube bundle device such as a heat exchanger or condenser which has parallel tubes in a triangular configuration in which tubes are adjacent and spaced from six surrounding tubes. The tubes in the tube bundle have wire spacer/support elements comprising helically w... | 10/10/2006 |
| 7104314 | Multi-pass heat exchanger A heat exchanger is provided for transferring heat between a first fluid flow and a second fluid flow. The heat exchanger includes a first fluid flow path having a major dimension and a minor dimension and a second fluid flow including at least two flat tubes each h... | 09/12/2006 |
| 7073575 | Reduced vibration tube bundle device A tube bundle device useful in heat exchangers, condensers and other devices which has a number of tube support cages placed at extended locations along the length of the tubes. After the initial construction of the bundle in which the tubes are inserted into the su... | 07/11/2006 |
| 7069980 | Serpentine, multiple paths heat exchanger A serpentine, multiple pass heat exchanger includes at least one flattened, multiple port tube in serpentine configuration with a plurality of general parallel runs defining at least three hydraulically separate flow paths fins. Fins extend between and are in therma... | 07/04/2006 |
| 7059394 | Heat exchanger A heat exchanger comprising a plurality of refrigerant pipes bent many times for passing a refrigerant for heat exchange; and cooling fins arranged at an outer circumference surface of the refrigerant pipes for expanding a contact area of air which passes through th... | 06/13/2006 |
| 7055304 | De-icing device for turbojet inlet guide wheel vane, vane provided with such a de-icing device, and aircraft engine equipped with such vanes The de-icing device is intended for the vane (10) of the inlet guide wheel (4) of a turbojet (2), comprising a fixed part (12) arranged on the upstream side and a mobile flap (18) arranged on the downstream side, in which said fixe... | 06/06/2006 |
| 7054548 | Vibration-flow-type heating-body cooling device The central position of each heating body 1 in the fluid flow direction is referred to as a heating body central position, the central position of a heat radiating section 33a located between the neighboring heating bodies 1 in the fluid ... | 05/30/2006 |
| 7048041 | Systems and apparatuses for stabilizing reactor furnace tubes Systems and apparatuses for stabilizing the movement of the reactor furnace tubes of a fired heater, furnace, heat exchanger or other device utilizing reactor furnace tubes to thereby reduce harmful stresses on the tubes, extend the useful life of the tubes, increas... | 05/23/2006 |
| 7048037 | Geothermal heating and/or cooling apparatus and method of using same A geothermal apparatus comprising a first pipe for receiving a heat exchange liquid therein and a second pipe for receiving the heat exchange liquid therein and having a web integrally connected to each of the first and second pipes, between such pipes for holding t... | 05/23/2006 |
| 7042981 | X-ray tube window and surrounding enclosure cooling apparatuses An x-ray tube window cooling assembly (11) for an x-ray tube (18) includes an electron collector body (110). The electron collector body (110) is thermally coupled to an x-ray tube window (102). The electron collector body (110 | 05/09/2006 |
| 7041260 | Integral compact heat exchanger and catalytic reactor for scavenging contaminants from air A fluid treatment system incorporating an integrated heat exchanger and thermal treatment unit. A fan draws or pushes a contaminated fluid through the heat exchanger, which is preferably of the counter flow type. The integrated heat exchanger and thermal treatment u... | 05/09/2006 |
| 7036570 | Multiple row heat exchanger using “end-to-end” or “tube touching” positioning of the tubes for row spacing A method of increasing thermal efficiency around a plurality of tubes in a heat exchanger. The method includes the steps of providing a plurality of tubes having a predetermined end configuration and a header having a number of openings corresponding to the pluralit... | 05/02/2006 |
| 7036567 | Heat exchanger for cooling air In a heat exchanger for cooling air, tubes are disposed vertically and header tanks are connected to the ends of the tubes. The lower side header tank is formed with drains, which are depressions, at positions between the tubes so that condensed water, which accumul... | 05/02/2006 |
| 7032577 | Exhaust gas heat exchanger The invention relates to an exhaust gas heat exchanger (2) comprising a bundle of pipes (21) consisting of exhaust gas pipes (22) and a bypass channel (23) in a common housing. The pipe bundle is arranged in a first chamber that is crossf... | 04/25/2006 |
| 7032655 | Anti-vibration tube support A tube support device comprises an elongated strip inserted in a tube lane between the tubes of the tube bundle. Raised-tube-engaging zones are disposed in transverse rows across the strip at successive longitudinal locations along its length; these tube-engaging zo... | 04/25/2006 |