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| Patent # | Description |
|---|---|
| US-3,951,630 |
Tapered tubular filter element having flared outlet An elongated tubular filter element prevents certain types of fluffy foreign matter entrained in an airstream admitted into the filter element from clogging the... |
| US-3,951,629 |
High temperature support for cyclone separators A device for supporting an apparatus subject to high temperature differentials causing vertical as well as horizontal expansions. The device comprises a support for... |
| US-3,951,628 |
Portable filter bag assembly A portable filter bag house assembly includes a collapsible main frame, a plenum chamber attached to the main frame, and a sub-frame carried by the main frame... |
| US-3,951,627 |
Air filtering apparatus An improvement in air filtering apparatus of the type having means for providing intermittent reverse flow of air through the filter media of the apparatus to... |
| US-3,951,626 |
High temperature filter A new filter structure is provided for removing particles from the exhaust gas of a large, single piston engine of low RPM, before passing the exhaust gas... |
| US-3,951,625 |
Air conditioning apparatus Air conditioning apparatus ventilates room air with environmental air after the environmental air has been filtered, heated and humidified to appropriate levels.... |
| US-3,951,624 |
Electrostatic precipitator An electrostatic precipitator for cleaning a gas flowing therethrough comprising a shell having a gas inlet and outlet port and defining a gas chamber therein.... |
| US-3,951,623 |
Method of and apparatus for cleaning filter boxes In a filter box a first air flow generating unit drives air, containing solid impurities, through a filter disposed upstream of said unit. Without interrupting... |
| US-3,951,622 |
Time release perfume method and device The invention is concerned with a method and device for the time release of a fragrance such as a perfume, the odor of the fragrance released being substantially... |
| US-3,951,621 |
Process for separating one or more components of a gaseous mixture Novel separation film membranes are made with cross-linked hydrophilic polyvinyl alcohol and nylon, and the films contain complex-forming metal components which... |
| US-3,951,620 |
Separation apparatus and process Particulate solids are separated from their admixture with gases by passage through a cyclone separator, wherein the solids are guided down the lower conical... |
| US-3,951,619 |
Method of making a grinding wheel A grinding wheel has a series of deep and narrow circumferential grooves between circular grinding sections having radially convex surfaces for forming... |
| US-3,951,618 |
Method of use of, and compositions containing, disubstituted xanthone
carboxylic acid compounds Compositions containing and methods employing, as the essential ingredient, novel disubstituted xanthone carboxylic acid compounds which are useful in the... |
| US-3,951,617 |
Production of clean fuel gas Production of clean fuel gas having a high heating value by means of two interconnected free-flow noncatalytic partial oxidation gas generators. All of the... |
| US-3,951,616 |
Apparatus for the continuous gasification of coal Coal such as caking coal is continuously gasified, with lump formation inhibited, under superatmospheric pressures and elevated temperatures by treatment with... |
| US-3,951,615 |
Cylindrical pressure reactor for producing a combustible gas The gasification of solid fuels or mixtures of solid and liquid fuels takes place in a cylindrically-shaped pressure reactor vessel having feed jets at the top... |
| US-3,951,614 |
Fuel detergents The reaction products of hydrocarbyl-substituted amines with certain polyfunctional coupling agents, find use as detergents in distillate fuel compositions. The... |
| US-3,951,613 |
Anti-pollution heating oil products and processes An anti-pollution heating oil composition includes an organic or inorganic lithium compound in said heating oil to reduce particulate emission upon combustion of... |
| US-3,951,612 |
Erosion resistant coatings Composite coatings are formed of a ceramic-type material such as chromium carbide over an intermediate layer of a ductile metal such as nickel on stainless steel... |
| US-3,951,611 |
Blank for fan blade A one-piece blank for a propeller fan having a plurality of substantially identical blade portions extending outwardly from a central hub portion, each of the... |
| US-3,951,610 |
Gas generating apparatus A portable olefin gas generating apparatus such as for generating ethylene to initiate the ripening of various climateric fruits. A reaction liquid is fed by... |
| US-3,951,609 |
Sampling apparatus A sampling apparatus for sequentially testing a plurality of samples by sequentially lowering the samples in a sample testing means and which includes a standard... |
| US-3,951,608 |
Mixing cuvette and timing turntable for providing reaction mixtures A turntable is supported upon a support base and is urged rotationally through step increments at a constant stepped rate. The step rotation is accomplished by... |
| US-3,951,607 |
Gas analyzer A gas analyzer especially for pulmonary use has a frame supporting a centrally mounted radiation chamber of about 10 to 30 millimeters (0.4 to 1.2 inches)... |
| US-3,951,606 |
Apparatus for prothrombin testing A manually operable, disposable diagnostic device which is useful for the rapid measurement of coagulation rates consists of a uniform bore reaction tube which... |
| US-3,951,605 |
Instrument for automated immunochemical analysis An instrument for quantitative analysis to measure a minute quantity of antigens or antibodies in a sample. There is a defined travel path for holding sample... |
| US-3,951,604 |
Controlled polymerization apparatus In a poymerization system having first and second feed streams, diluent and recycled diluent streams, and a modifier stream controllably fed to a reactor, a... |
| US-3,951,603 |
Gas-sensor element and method for detecting reducing gas or oxygen gas A gas-sensor element for detecting reducing gases and vapors such as alcohols or carbon monoxide, or for determining oxygen concentration, which is characterized... |
| US-3,951,602 |
Spectrophotometric formaldehyde-copper monitor In an apparatus comprising a spectrophotometer, an inspection cell, and an electroless copper plating bath containing copper ions and formaldehyde for measuring... |
| US-3,951,601 |
Determination of softening temperatures for thin films A technique is provided for the determination of the temperature at which thin films of, for instance plastics materials, soften. The thin film under test is... |
| US-3,951,600 |
Acrylamide aqueous solution handling method There is disclosed a method for handling acrylamide aqueous solutions with safety wherein acrylamide aqueous solutions obtained through catalytic hydration... |
| US-3,951,599 |
Polyamides having improved dyeability prepared from aromatic carboxylic
monosulfonated compounds A basic dye receptive polyamide polymer and fiber and fabric prepared therefrom said polymer containing minor percentages of at least one sulfoaryloxycarboxylic... |
| US-3,951,598 |
Viscous water-in-oil type dye or fluorescent brightening agent emulsion
and method for the manufacture thereof A viscous water-in-oil type emulsion comprising a dye or a fluorescent brightening agent which is sparingly soluble in water and liquid hydrocarbons, water, a... |
| US-3,951,597 |
Method of dry cleaning fabrics A method of dry cleaning fabrics, for instance, draperies or clothing, in situ, by forcefully infusing the fabric in the open atmosphere with special... |
| US-3,951,596 |
Soap curd dispersant The disclosure relates to a soap curd dispersant in clear liquid form to be added to the laundry in either the wash cycle or the rinse cycle. The soap curd... |
| US-3,951,595 |
Vapor phase process for cellulose fabrics A vapor phase treatment utilizing formaldehyde and sulfur dioxide gas engulfment in a chamber of a moistened fabric, improved by specifically delaying discharge... |
| US-3,951,594 |
Hydrogen peroxide bleaching solutions and process Textile fabrics have been bleached with aqueous solutions of hydrogen peroxide for many years. Since hydrogen peroxide is quite unstable under bleaching... |
| US-3,951,593 |
Method for obtaining nubuck leather surfaces by thermal correction of
grain The object of a invention is the method for obtaining nubuck leather surfaces by the thermal correction of grain in wet condition in the phases of production... |
| US-3,951,592 |
Polyester fabric materials dyed with monoazo dyes made from
4-amino-7-nitrobenzotriazole Azo dyestuffs are provided by the reaction of the diazotized base of 4-amino-7-nitrobenzotriazole with a coupling component, an esterified ... |
| US-3,951,591 |
Process for dyeing synthetic fiber materials A process for the continuous dyeing of synthetic fibrous materials from organic solvents, which comprises impregnating the said fibrous materials with organic... |
| US-3,951,590 |
Mixtures of optionally substituted sulfophenyl-azo-naphthylene or
tetrahydronaphthylene-azo-para-alkoxyphenyl dyes Compounds of the formula ##SPC1## Wherein A is 1,4-naphthylene, substituted 1,4-naphthylene, 1,4-(5,6,7,8-tetrahydronaphthylene) or substituted ... |
| US-3,951,589 |
Aqueous alkaline hair dye compositions An aqueous alkaline hair dye composition containing N.sup.1,N.sup.4,N.sup.4 -tris(2' -hydroxyethyl)-2-nitro-p-phenylenediamine and a particular class of... |
| US-3,951,588 |
Process for dyeing and printing or optical brightening of cellulose
materials Described is a process for the semi-continuous or continuous dyeing and printing or optical brightening of cellulose materials by impregnation of the material... |
| US-3,951,587 |
Silicon carbide diffusion furnace components Process tube, paddle, and boat for a semi-conductor diffusion furnace composed of a matrix of high purity sintered silicon carbide which is made impervious to... |
| US-3,951,586 |
Method of operating the heating stoves A method is disclosed for the improved operation of heating stoves for blast furnaces. This method is comprised of a combined use of an independent source of... |
| US-3,951,585 |
Method of heating and fixing a toner image A method and a device using a pair of fixing rolls at least one of which is heated so that the two rolls are brought into pressing engagement with each other by... |
| US-3,951,584 |
Self-stabilizing burner A gas burner is provided with a rich combustion chamber contiguous with a second combustion chamber through which combustion air enters in predetermined flow... |
| US-3,951,583 |
Rocking-beam type furnaces In a rocking-beam type furnace which comprises fixed support beams which extend lengthwise of the furnace and conveyor beams which are parallel to the fixed... |
| US-3,951,582 |
Switching devices for photoflash unit A photoflash unit is designed to have a plurality of lamps fired individually and in sequence includes a plurality of switching devices capable of being easily... |
| US-3,951,581 |
Combustion method of paint waste disposal A method of disposing of solid or paste-like paint waste in which the paint waste is firmly comminuted and mixed with waste oil and water, preferably with... |
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