Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7304303 | Searching for lost item An item that might be lost is provided with a badge featuring an array of glass beads. In seeking to retrieve such a lost item, an atmospheric-penetrating beam of laser is directed into the search area, and the signals from a reflectometer are monitored. The item ha... | 12/04/2007 |
| 6921549 | Proficiency beverage A proficiency beverage having a pH within the range from about 3.2 to about 3.5, and containing about 7% polyglucose having about nine glucose units per molecule is prepared by a method involving a degradation of starch by enzymes followed by spray drying to prepare... | 07/26/2005 |
| 6803575 | Infra-red laser device and method for searching for lost item An ordinary golf ball is cleaned and then treated with an emulsion depositing in the dimples a hologram having the capacity to reflect a pre-selected wavelength of laser-beam. If a player temporarily looses such ball, a hand-held unit directs an infra-red laser beam... | 10/12/2004 |
| 6769645 | Electronic automatic repulsion system Those hijackers seeking to commit suicide by crashing a plane into a selected target are frustrated because the selected targets, such as a nuclear plant or a governmental building, are provided with Repulsion Transmitters emanating an encrypted signal throughout a ... | 08/03/2004 |
| 6482108 | Infra-red laser device and method for searching for lost item An ordinary golf ball is cleaned and then treated with an emulsion depositing in the dimples a hologram having the capacity to reflect a pre-selected wavelength of laser-beam. If a player temporarily looses such ball, a hand-held unit directs an infra-red... | 11/19/2002 |
| 6305524 | Electronic bulk feeder for small assembly components In a feeder supplying assembly components to another machine, an electronic control device monitors a horizontal buffer zone. Pulses of compressed gas are intermittently employed to lift components upon detecting the absence of a component in a portion of... | 10/23/2001 |
| 6237280 | Protecting trees from vandalisms When a tree has special value, there are hazards that vandals will damage the tree, thereby running the risk of killing it. Cemeteries have long been poular with vandals, resulting in damage to many tombstones. The Memorial Grove described in Truong U.S. ... | 05/29/2001 |
| 6192624 | Displaying dwarf trees A Memorial Grove is designed so that the walkways for spectators are spaced from the displayed trees, thereby minimizing the amount of vandalism attributable to spectators touching the trees. Substantially each of the trees is a dwarf tree, whereby the ca... | 02/27/2001 |
| 5799488 | Nurturing treelets An area scheduled for visiting by persons desiring to pay homage to a deceased human features a group of identified trees, each planted to be an embodiment of the ongoing life of a particular human who has died. A precursor of a tree, such as a seed or a ... | 09/01/1998 |
| 5280812 | Wirewrapping method and machine A support wire is placed through the hole of a device such as a ceiling clip for suspending an acoustical ceiling, and the wire is bent to provide a layover loop to which the device is slidingly attached, the tail of the layover loop being as long as a si... | 01/25/1994 |
| 5104554 | Removing radon by downhole sparging of air Substantially the last traces of radon are removed from typical well water at subterranean temperatures prior to significant pressurization of the water by displacement of the radon by a stream of compressed air, such radon mixing with the air vented from... | 04/14/1992 |
| 4867830 | Method of tabbing pressure sensitive tape In a factory for producing rolls of pressure sensitive tape, a tab is applied to the end of such tape by a series of steps comprising: advancing a strip of tab material onto a work station; positioning a placement zone of such tape onto a temporary positi... | 09/19/1989 |
| 4828646 | Method and apparatus for tabbing tape In a factory for producing rolls of pressure sensitive tape, a tab is applied to the end of such tape by a series of steps comprising: advancing a strip of tab material onto a work station; positioning a placement zone of such tape onto a temporary positi... | 05/09/1989 |
| 4328180 | Cooling water corrosion inhibitor The waters used for cooling generally contain hard ions of the group consisting of calcium and magnesium ions concentration of from about 10 to 600 parts per million. Such waters also contain bicarbonate ions. When cooling waters are recirculated through ... | 05/04/1982 |
| 4315841 | Filled molding composition featuring star-block copolymer conjugated diene and vinyl aromatic compound A molding composition consists of an intimate mixture of: (1) about 25 to about 40 percent calcium carbonate having an average particle size range of from about 450 to about 850 millimicrons and (2) about 60 to about 75 percent star-block copolymer of: (a) about 60... | 02/16/1982 |
| 4303783 | Production of reflector beads from precursor beads for expandable polystyrene Several established methods produce precursor beads suitable for subsequent impregnation with a volatile agent for making expandable polystyrene beads. Different methods have led to production of reflector beads of crystal clear polystyrene for use as ref... | 12/01/1981 |
| 4303784 | Production of polystyrene reflector beads Many reflector beads have been made from plastics more costly then polystyrene. By the present invention, water white, crystal clear polystyrene beads are prepared from styrene by polymerization in an aqueous solution having a concentration of from about ... | 12/01/1981 |
| 4296262 | Manufacture of tertiary butyl alcohol Isobutane is injected into a liquid mixture concurrently with the injection of an oxygen-containing gas. Molybdenum catalyst is present. The oxidation is selective for the formation of tertiary butyl alcohol (TBA) so that the proportions of tertiary butyl... | 10/20/1981 |
| 4296263 | Tertiary butyl alcohol production A liquid mixture of normal butane and isobutane is catalytically oxidized at 15-45% conversion of the isobutane per pass at conditions favoring selective oxidation of the isobutane with minimized oxidation of the normal butane, thereby eliminating the nee... | 10/20/1981 |
| 4294999 | Preparing oxygen-containing fuel wherein tertiary butyl alcohol is the major product of the process Isobutane is oxidized in a pressurized reactor in the presence of a solubilized molybdenum catalyst to produce a mixture of tertiary butyl alcohol, tertiary butyl hydroperoxide, methanol, acetone, and other oxygen containing compounds. Unreacted isobutane... | 10/13/1981 |
| 4287314 | Maleimide-styrene copolymer blend with polyurethane An advantageous blend suitable for compression molding, injection molding, or general molding of plastic articles is prepared by mechanically mixing at an elevated controlled temperature a polyurethane resin and a resin derived from copolymerization malei... | 09/01/1981 |
| 4284735 | Polyphenylene oxide blend with rubber-maleimide-styrene copolymer An advantageous blend suitable for the molding of plastic articles is prepared by mechanically mixing a polyphenylene ether resin and a resin prepared by conducting the polymerization of a mixture of a rubber, maleimide, and styrene.... | 08/18/1981 |
| 4284734 | Moldable blend of interpolymer of rubber, methacrylic acid and styrene with polyurethane The invention concerns thermoplastic molding compositions consisting essentially of a blend of: A. From about 40% to about 70% by weight of an interpolymer comprising from about 8% to about 16% block polyalkadiene, and from about 51% to about 85% styrene ... | 08/18/1981 |
| 4278775 | Maleimide-styrene copolymer blend with polyphenylene oxide An advantageous blend suitable for the molding of plastic articles is prepared by mechanically mixing a polyphenylene ether resin and a polymeric resin derived from maleimide and styrene.... | 07/14/1981 |
| 4277361 | Ventilating system for reprocessing of nuclear fuel rods In a nuclear facility such as a reprocessing plant for nuclear fuel rods, the central air cleaner discharging ventilating gas to the atmosphere must meet preselected standards not only as to the momentary concentration of radioactive components, but also ... | 07/07/1981 |
| 4269969 | Polybutadienediol purification Butadiene is polymerized using hydrogen peroxide as a catalyst to provide polybutadiene (partaking of the nature of a polymethylenediol) suitable for use in making polyurethanes by reaction with diisocyanate compounds. Minor amounts of vinyl cyclohexene a... | 05/26/1981 |
| 4261952 | Fuel rod reprocessing plant A plant for the reprocessing of fuel rods for a nuclear reactor comprises a plurality of rectangular compartments desirably arranged on a rectangular grid. Signal lines, power lines, pipes, conduits for instrumentation, and other communication lines leave... | 04/14/1981 |
| 4257852 | Distillation of aqueous tertiary butyl hydroperoxide Hazards are dealt with by appropriate placement of high heat capacity flame arrestor packings at suitable zones in the flow of the process streams comprising vapors of flammable mixture containing water and more than 10 mol % tertiary butyl hydroperoxide ... | 03/24/1981 |
| 4254819 | Protecting entry portions of tubes of emergency cooling system The entry portions of the tubes of a Worrell-type emergency cooler are modified so that the peak temperature of said modified tube is maintained at less than about 650° F., thereby allowing carbon steel to be employed for heat transfer tubes. Such entry ... | 03/10/1981 |
| 4239926 | Removing water from tertiary butyl alcohol Isobutane is oxidized to provide a debutanized oxidate comprising tertiary butyl alcohol, acetone, water and other byproducts including high boiling products. Water is removed by extractive distillation using a combination of water and xylene as the extra... | 12/16/1980 |
| 4237314 | Phenyl acetic acid preparation Phenyl acetic acid is prepared by the reaction of molecular oxygen and the combination of acetic acid and benzene in the presence of a catalytic system featuring both tellurium and halide, the unit atomic ratio of halide to tellurium being within a range ... | 12/02/1980 |
| 4235701 | Aromatics from dripolene In an olefin plant in which ethylene, propylene and butenes are prepared, a dripolene fraction is recovered, hydrogenated and a C6 -C7 hydrogenated hydrocarbon stream derived from such hydrogenated dripolene is aromatized in the pres... | 11/25/1980 |
| 4221880 | Moldable blend of interpolymer of rubber, maleic anhydride and styrene with polyphenylene oxide The invention concerns thermoplastic molding compositions consisting essentially of a blend of: A. From about 40% to about 95% by weight of a interpolymer comprising from about 8 to about 15% block interpolymers prepared in a stereospecific system using f... | 09/09/1980 |
| 4200584 | Maleic anhydride production over modified phosphotungstic catalyst An unsaturated normal aliphatic hydrocarbon of 4 or 5 carbon atoms and an oxygen-containing gas react to form an effluent containing maleic anhydride as a result of a reaction in the presence of a catalyst consisting essentially of a mixture of the oxides... | 04/29/1980 |
| 4198530 | Production of tertiary butyl methyl ether A mixed C4 hydrocarbon stream containing from 5 to 60% isobutene is mixed with methanol providing from about 2% to about 20% excess methanol (stoichiometry based on isobutene content) to provide fresh feed for preparing tertiary butyl methyl et... | 04/15/1980 |
| 4192658 | Pipeline flame arrestor A flame arrestor directs the gas stream to flow through an array of narrow tubes immersed in a normally liquid heat transfer fluid. The gas composition flowing through the flame arrestor is normally maintained at the ambient temperature of such liquid. Ev... | 03/11/1980 |
| 4192656 | Method and apparatus for halting the advancement of accidental ethylene decomposition in a gas pipeline In a system in which compressed ethylene is scheduled to flow through pipes, and in which there is danger of decomposition of ethylene and danger of the spreading of a reaction boundary of the exothermic decomposition reaction, a method and means are prov... | 03/11/1980 |
| 4192657 | Method and apparatus for halting the advancement of ethylene decomposition flame fronts A flame arrestor is provided which can be connected with closely adjacent upstream and downstream portions of a pipeline. The gas flows through an array of narrow tubes immersed in the lower half of a normally liquid heat transfer fluid, thus normally mai... | 03/11/1980 |
| 4182746 | Carbon monoxide manufacture Methane reacts with steam and at least some carbon dioxide in a primary fuel conversion zone, the effluent from which is mixed with the effluent from a secondary fuel conversion zone, and the mixture is sent through a dewatering zone, a drying zone, and a... | 01/08/1980 |
| 4143056 | Maleic anhydride production using thallium-vanadium modified phosphotungstic catalysts A lower unsaturated aliphatic hydrocarbon of at least 4 carbon atoms and an oxygen-containing gas react to form maleic anhydride in the presence of a catalyst having the oxides of tungsten, phosphorus, thallium, and vanadium, said catalyst being a phospho... | 03/06/1979 |
