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| Number | Title | Issue Date |
| 4954246 | Slurry-phase gasification of carbonaceous materials using ultrasound in an aqueous media A process for slurry-phase gasification of carbonaceous feedstock materials is provided wherein feedstock materials are combined with a liquid to form a feedstock slurry. Product gases are formed from the feedstock slurry in a gasifier reaction vessel in ... | 09/04/1990 |
| 4950830 | Dehydration of aliphatic and alicyclic hydrocarbons and aliphatic and alicyclic substituted aromatic hydrocarbons A process for dehydrogenation of aliphatic and alicyclic hydrocarbon compounds and aliphatic and alicyclic substituted aromatic hydrocarbon compounds to form unsaturated aliphatic and alicyclic hydrocarbon chains. The catalyst is mixed basic metal oxide c... | 08/21/1990 |
| 4950827 | Oxidative coupling of aliphatic and alicyclic hydrocarbons with aliphatic and alicyclic substituted aromatic hydrocarbons A catalyst and a process for oxidative coupling of aliphatic and alicyclic hydrocarbon compounds with aliphatic and alicyclic substituted aromatic hydrocarbon compounds to form a longer substituent hydrocarbon on the aromatic ring. The catalyst is mixed b... | 08/21/1990 |
| 4945078 | Mixed basic metal sulfide catalyst A mixed basic metal sulfide catalyst having the formula: xA.yB.zC.qS wherein A is an alkali metal selected from lithium, sodium, potassium, rubidium, cesium and mixtures thereof; B is a cation which has an ionization state 1 greater than the ionization state o... | 07/31/1990 |
| 4935572 | Mixed basic metal oxide catalyst for oxidative coupling of methane A catalyst and process for oxidative coupling of methane, the catalyst being a mixed basic metal oxide catalyst. One preferred catalyst is boron/alkali metal promoted metal oxide.... | 06/19/1990 |
| 4926678 | Method and apparatus for proving electronic gas meters at low flow rates A method and apparatus for proving an electronic gas meter at low flow rates includes comparing the rate of descent of the test bell of a bell prover with the instantaneous flow rate measured by a fluid flow measuring circuit for the meter, the rate of de... | 05/22/1990 |
| 4925745 | Sulfur tolerant molten carbonate fuel cell anode and process Molten carbonate fuel cell anodes incorporating a sulfur tolerant carbon monoxide to hydrogen water-gas-shift catalyst provide in situ conversion of carbon monoxide to hydrogen for improved fuel cell operation using fuel gas mixtures of over about 10 volu... | 05/15/1990 |
| 4920015 | Electrochemical H2 S conversion A solid oxide fuel cell having an electrocatalytic anode of A1+x B2-x S4 thiospinel wherein A and B are metallic, 0 | 04/24/1990 |
| 4918995 | Electronic gas meter An electronic compact gas meter includes a solid state flow sensor for sensing gas flow rate, data acquisition circuits including an analog-to-digital converter coupled to the sensor for controlling same and providing an output indicative of gas flow, and... | 04/24/1990 |
| 4917546 | Solids fluidizer-injector An apparatus and process for fluidizing solid particles by causing rotary motion of the solid particles in a fluidizing chamber by a plurality of rotating projections extending from a rotatable cylinder end wall interacting with a plurality of fixed proje... | 04/17/1990 |
| 4908113 | Apparatus for the electrochemical separation of oxygen An electrochemical separation of oxygen from oxygen containing gaseous mixtures, such as air, using an oxygen containing molten inorganic salt electrolyte retained in a porous matrix between two gas porous catalytic electrodes wherein oxygen is separated ... | 03/13/1990 |
| 4898145 | Arrow rest and holder An arrow rest and holder having a generally flat mounting plate for securement to an archery bow on one side and on the other side having holding means for detachably holding an arrow rest. A retractable arrow rest having an arrow support wire bearing hol... | 02/06/1990 |
| 4897167 | Electrochemical reduction of CO2 to CH4 and C2 H4 A process for electrochemical reduction of CO2 to CH4 and C2 H4 providing both high current densities and high Faradaic efficiencies. The process is carried out in an electrochemical cell wherein copper is elect... | 01/30/1990 |
| 4867756 | Removal of sulfur compounds in fluidized bed carbonaceous solids gasification A method for removing sulfur compounds from gasification product gas during gasification of carbonaceous materials in a fluidized bed, agglomerating discharge reactor and converting harmful and unstable sulfur compounds to an environmentally acceptable fo... | 09/19/1989 |
| 4867731 | Detection of infestation of bees A process and apparatus for detection of infestation of bees by organisms, such as parasites, particularly mites, in beehives, packages, and cages. The process and detector have a replaceable insert with an upwardly facing adhesive trapping surface with a... | 09/19/1989 |
| 4864945 | Curved nose refractory construction A high temperature furnace curved nose construction having refractories suspended from a support structure wherein a combination of radial filler refractories and rectangular filler refractories are supported by rectangular hanger refractories. Each radia... | 09/12/1989 |
| 4859296 | Electrochemical separation of oxygen An electrochemical separation of oxygen from oxygen containing gaseous mixtures, such as air, using an oxygen containing molten inorganic salt electrolyte retained in a porous matrix between two gas porous catalytic electrodes wherein oxygen is separated ... | 08/22/1989 |
| 4854478 | Tablet dispenser An overall cylindrically shaped tablet dispenser that operates by exerting an external vertical force which compresses, through a sliding action, an upper portion toward a lower portion thereby causing a mechanism to issue a tablet. This tablet dispenser ... | 08/08/1989 |
| 4854249 | Two stage combustion A process for combusting sulfur and nitrogen containing carbonaceous materials in a two stage combustion process wherein sulfur and nitrogen containing carbonaceous materials and sulfur fixation agent particulates are introduced into a first combustion st... | 08/08/1989 |
| 4847231 | Mixed ruthenium catalyst A catalyst having a mixture of Ru and RuOx, wherein x is greater than 0 and equal to or less than 2, supported by a suitable metal oxide support material is suitable for the heterogeneous catalytic gas phase direct methane production from hydro... | 07/11/1989 |
| 4841786 | Specimen distributing system A specimen distributing system for the remote-controlled extraction of sample specimens is provided wherein manipulator units supporting pipettes are movable horizontally and vertically and specific quantities of sample fluids may be transferred from prim... | 06/27/1989 |
| 4838362 | Apparatus for manipulating a tool Apparatus for manipulating a tool which is particularly suited for use in drilling and inserting bolts into thin seams of mine workings. The apparatus (100) comprises a reaction support member (4) to support the tool, a chuck (1) for holding the tool, mou... | 06/13/1989 |
| 4839503 | Controlling the simmering or cooking time in a cooking vessel The invention relates to controlling the simmering or cooking time in a cooking vessel which can be heated by means of an electrical cooking plate with a control circuit, in which the temperature in or on the cooking vessel is determined in the heating ph... | 06/13/1989 |
| 4834787 | Phosphate rock utilization A process providing solubilization of phosphate rock by contacting the rock with sulfurous acid in the presence of an oxidizing agent selected from the group consisting of hydrogen peroxide and ozone. Use of sulfurous acid in combination with a substoichi... | 05/30/1989 |
| 4833962 | Installation for performing all affine transformations for musical composition purposes A composition or a series of notes to be transposed are introduced with mathematical data into the memory (11) of a computer (1). A calculator (12) works out the data and a control unit (13) actuates an optical (4) or acoustical (3) output device. All the... | 05/30/1989 |
| 4832067 | Weather protective roofing for light aircraft A weather protective roofing structure for small aircraft comprising a plurality of hemispherical bars which are supported in a rotatable manner around a common axis, which bars are attached to and covered with a plurality of covering material segments fo... | 05/23/1989 |
| 4832027 | Surgical clamp To obtain better cosmetic results after surgical operations and to reduce scarring and eliminate the infection risks of suturing holes, a spring actuated clamp (1) having compression surfaces (5') with flat or rounded protuberant parts (7) is provided. Th... | 05/23/1989 |
| 4830041 | Reelable flow stopper for plugging fluid flow within a pipe A reelable flow stopper for plugging fluid flow within a pipe having a guide housing with an enclosed guide channel. A guide housing sealably secures to at least one side of a full port gate valve and the opposite side of the full port gate valve is in co... | 05/16/1989 |
| 4828481 | Process and apparatus for high temperature combustion A process and apparatus for high temperature combustion in a combustion chamber comprising two opposed porous plates is provided whereby increased combustion temperatures are achievable by means of internal radiant energy recuperation. The high temperatur... | 05/09/1989 |
| 4828759 | Process for decontaminating radioactivity contaminated metallic materials Contaminated surface layers are decontaminated by treatment with an aqueous fluorine base-containing decontamination solution. The aqueous decontamination solution contains 0.05 to 50 Mol of decontamination agent per liter, and the decontamination agent p... | 05/09/1989 |
| 4826796 | Mixed basic metal oxide catalyst for oxidative coupling of methane A catalyst and a process for oxidative coupling of methane, the catalyst being a mixed basic metal oxide catalyst. One preferred catalyst is boron/alkali metal promoted metal oxide.... | 05/02/1989 |
| 4827390 | Adjustable lamp An adjustable lamp having a lamp bar with a lamp attached at one end and an opposite pivot end pivotally attached to a base providing generally vertical pivotal movement of the lamp bar and a support structure supporting the lamp bar at a support point th... | 05/02/1989 |
| 4818027 | Round shaft bit The invention relates to a round shaft bit with a bit head and a bit shaft, n which the bit shaft has a circumferential groove with a longitudinally slotted clamping sleeve positioned therein, and in which the bit shaft with the clamping sleeve placed unde... | 04/04/1989 |
| 4815180 | Transferrable jewelry clasp with neck chain or neck band A transferable jewelry clasp that can be worn with different chains or bands which has the shape of a ring or has a central opening and has an upper part and a lower part. These parts are connected with one another on one side by means of a hinge, and on ... | 03/28/1989 |
| 4810485 | Hydrogen forming reaction process A hydrogen forming process and apparatus wherein one side of a hydrogen ion porous and molecular gas non-porous metallic foil is contacted with mixed gases comprising molecular hydrogen formed by a chemical reaction in a hydrogen production zone. The mole... | 03/07/1989 |
| 4809621 | Refractory brick protection for membrane boiler walls Refractory bricks, suspended wall of refractory bricks, and a method for mounting refractory bricks for protection of membrane boiler tube walls. The pre-fired brick has a rectangular generally flat exterior face, a top face having an upper groove extendi... | 03/07/1989 |
| 4807685 | Segmented shutter or gate A segmented shutter or gate with a plurality of gate segments which have dowels on both sides in the area of the upper edge and in the area of the lower edge of the gate segment. The upper dowels are connected in an articulated manner with transporting ch... | 02/28/1989 |
| 4803344 | Apparatus and process for controlling the simmering or cooking time in a cooking vessel This invention relates to controlling the simmering or cooking time in a cooking vessel which can be heated by means of an electrical cooking plate with a control circuit, in which the temperature in or on the cooking vessel is determined and utilized by ... | 02/07/1989 |
| 4802060 | Apparatus for connecting a control panel with an air conditioning device This invention concerns a control panel with an air conditioning device, in which the top of the body of the control panel and the bottom of the air conditioning device are connected to one another and provided with through openings adjusted and aligned t... | 01/31/1989 |
| 4793499 | Tamper evident closure device A tamper evident closure device having a closure with an internally threaded skirt with a groove therein between radially outer and inner skirt portions to receive a tamper evident band having an inwardly extending bead which engages under a transfer ring... | 12/27/1988 |
