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Patent # Description
US-5,267,662 Container
A container constructed of a used tire and a seal plate which is inserted in the wheel opening of the tire. The seal plate has a formed circumferential edge...
US-5,266,902 High or low voltage electrical resistance tester
An electrical resistance and insulation tester providing a 12 volt D.C. and a 500 volt D.C. testing circuit. Indicating means are comprised of an incandescent...
US-5,266,208 System and method for cleaning water
A process and system are provided for treating wastewater having at least a hydrocarbon component and water in which a multi-phase liquid system including an...
US-5,265,366 Foam recoil pad for firearms
A recoil pad for attachment to a firearm buttstock of the type having a retaining sleeve (14) and an end wall (16) which communicate to form a unitary boot. The...
US-5,264,086 Separation of formic acid from acetic acid by azeotropic distillation
Formic acid difficult to separate from acetic acid by conventional distillation or rectification because of the close proximity of their boiling points. Formic...
US-D341,665 Hydraulic step
US-5,262,015 Separation of octene-1 from its isomers by azeotropic and extractive distillation
Octene-1 is difficult to separate from several of its isomers by conventional distillation or rectification because of the closeness of their boiling points....
US-5,260,023 System and method for preserving acid-containing articles
An article preservation system and method includes an acid-containing article which is contacted with an alkaline substrate material and an artificial atmosphere...
US-5,258,102 Separation of heptane from vinyl acetate by azeotropic distillation
Heptane cannot be separated from vinyl acetate by conventional distillation or rectification because of the minimum boiling azeotrope. Heptane can be readily...
US-5,257,701 Adjustable portable exercise desk
A collapsible desk with unique height adjustment features which allow users to change positions frequently and exercise while they work. The desk may also be...
US-5,256,259 Separation of hexane from vinyl acetate by azeotropic distillation
Hexane cannot be separated from vinyl acetate by conventional distillation or rectification because of the minimum boiling azeotrope. Hexane can be readily...
US-5,256,122 Resistance engagement system
The disclosed invention relates to the integration of a resistance selection of selectorized weight stacks with a range of motion (ROM) selection of ROM elements...
US-5,255,698 Collapsible tent frame
An internally mounted, collapsible tent support framework including a plurality of length adjustable support sections. Inverted V-shaped end supports slip couple...
US-5,253,715 Horseshoe for treatment of lame horses
The invention involves a combination hoof pad and horseshoe which raises the horse's heel and at the same time supports the coffin bone. The pad is wedge-shaped...
US-5,251,658 Fluid apparatus with at least one tube well
A tube well extends through a fluid containment compartment and is secured at both ends thereof to the compartment shell. Both ends of the well communicate with...
US-5,251,596 Two stroke rotary internal combustion engine
A two-stroke cycle rotary internal combustion engine of the Wankel type is disclosed. The engine provides a flow through intake and exhaust with intake ports on...
US-5,250,157 Separation of toluene from methyl isobutyl ketone by azeotropic distillation
Toluene cannot be separated from methyl isobutyl ketone by conventional distillation or rectification because of the minimum boiling azeotrope. Toluene can be...
US-D339,771 Patient transfer device
US-5,246,470 Removal of sulfur from coal and pitch with dolomite
The sulfur in bituminous coal can be converted to calcium sulfate instead of sulfur dioxide during combustion when it is mixed with petroleum pitch and calcium...
US-5,246,004 Infrared cholesterol sensor
Systems and methods for non-invasive blood analysis are disclosed in which blood is illuminated at a plurality of discrete wavelengths selected from the near...
US-D339,437 Dustpan
US-5,242,515 Zircaloy-4 alloy having uniform and nodular corrosion resistance
This is an improved method of fabricating Zircaloy-4 strip. The method is of the type wherein Zircaloy-4 material is vacuum melted, forged, hot reduced,...
US-5,240,602 Chromatographic material
Chromatographic material having the general formula S-B-X-Y-L where S is a solid support, B is a binding group, X is a substantially non-ionic hydrophilic...
US-5,240,567 Separation of vinyl acetate from methyl acrylate by extractive distillation
The separation of vinyl acetate from methyl acrylate by distillation is difficult because of the closeness of their boiling points. Vinyl acetate can be readily...
US-5,240,394 Corner radius tool
A corner radius tool is provided for use in applying plaster material or the like to an inside corner joint between drywall panels to form a controlled and...
US-5,239,771 Window fly trap
A fly trap having a plurality of baffles to guide flies through an aperture into a housing body. Inside the housing is a plurality of entry chambers, passageways...
US-5,239,712 Shower for individual with hand dysfunction
A shower unit including an upper rotating disk pad, a lower oscillating brush assembly, two liquid soap spray nozzles, a constant temperature water valve and a...
US-5,238,500 Aqueous hydrofluoric and hydrochloric acid vapor processing of semiconductor wafers
Disclosed are methods and apparatuses for combined etching and cleaning of semiconductor wafers and the like preferably using hydrofluoric acid (HF), ...
US-5,238,379 Molding and assembling apparatus
Mobile structural unit molding and assembling apparatus includes a support portion, a raw material supplying portion, a molding portion, a unit transferring...
US-5,238,022 Internal rotary valve actuator system
An actuator system for controllably rotating a rotary (valve) element positioned in a pressurized fluid vessel. A double-acting piston-cylinder intermittently...
US-D338,683 Holding pattern rotary calculator
US-D338,560 Golf cart pulling attachment
US-5,236,559 Separation of hexane from vinyl acetate and methyl acrylate by extractive distillation
Hexane cannot be removed from hexane--vinyl acetate--methyl acrylate mixtures because of the ternary azeotrope. Hexane can be readily removed from hexane--vinyl...
US-5,235,995 Semiconductor processor apparatus with dynamic wafer vapor treatment and particulate volatilization
Disclosed are apparatuses and methods for improved processing of semiconductor wafers and the using vapor phase processing chemicals, particularly aqueous...
US-D338,524 Freezer ambient air exchange device
US-D338,374 Food and beverage tray
US-5,234,094 Flexible feeder conveyor system
A flexible feeder conveyor system for removing material from a stockpile and transporting the removed material to a fixed conveyor. The system includes an...
US-5,232,558 Separation of 4-methyl-2-pentanone from formic acid by extractive distillation with DMSO
4-Methyl-2-pentanone cannot be easily separated from formic acid by distillation because of the closeness of their boiling points. 4-Methyl-2-pentanone can be...
US-5,232,511 Dynamic semiconductor wafer processing using homogeneous mixed acid vapors
Disclosed are methods and apparatuses for combined etching and cleaning of semiconductor wafers and the like using a combined etchant and cleaning agent,...
US-5,232,328 Robot loadable centrifugal semiconductor processor with extendible rotor
A processor for centrifugal processing of semiconductor wafers and similar units. The processor is specially constructed to provide an automatically extendible...
US-5,230,743 Method for single wafer processing in which a semiconductor wafer is contacted with a fluid
A single wafer processor supports a semiconductor wafer having at least one surface that is to be subjected to contact with a fluid. The equipment includes a...
US-5,230,566 Portable water bag
A bag for containing liquids comprising a flexible outer shell and a flexible inner liner. The outer shell has attachment access points and transport straps...
US-D337,762 Combined computer stand and accessory holder
US-5,229,376 Encapsulated plant-derived phosphatidylinositol (PI) compositions for the prevention of mitogenically induced...
Encapsulated PI compositions such as liposomes containing plant PI and th use to prevent mitogenic transformation of normal splenic lymphoid cells (including...
US-5,228,957 Separation of methyl T-butyl ether from close boiling C.sub.5 hydrocarbons by extractive distillation
The separation by conventional distillation or rectification of methyl t-butyl ether from close boiling hydrocarbons is difficult because of the closeness of...
US-5,228,956 Separation of 3-pentanone from formic acid by extractive distillation
3-Pentanone cannot be completely removed from 3-pentanone and formic acid mixtures by distillation because of the presence of the maximum azeotrope. 3-Pentanone...
US-5,228,473 Internal safety valve system
An internal valve and metered positive displacement pump for a pressure fluid tank. The tank defines a fluid compartment, and first and second vessels are...
US-5,228,054 Power-of-two length pseudo-noise sequence generator with fast offset adjustment
A maximal length linear sequence pseudorandom noise (PN) sequence generator for generating an augmented length PN sequence of length 2.sup.N. The PN generator...
US-5,227,029 Separation of formic acid from acetic acid by extractive distillation
Formic acid cannot be easily removed from formic acid-acetic acid mixtures by distillation because of the closeness of their boiling points. Formic acid can be...
US-5,225,050 Separation of N-hexane from vinyl acetate by extractive distillation
Hexane cannot be removed from hexane - vinyl acetate mixtures by distillation because of the minimum boiling azeotrope. Hexane can be readily removed from vinyl...
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