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Patent # Description
US-4,585,526 Separation of m-xylene from o-xylene by extractive distillation
m-Xylene is difficult to separate from o-xylene by conventional rectification or distillation because of the close proximity of their boiling points. m-Xylene...
US-4,585,363 Therapeutic aid
A therapeutic device for use by a patient in developing fine, medium and gross motor arm movements. The device can be clamped to a stationary surface such as...
US-4,585,264 Folding rack for trucks
A rack for a truck bed which includes separate front and side assemblies, each assembly utilizing a lower frame having dowels for selective insertion into...
US-4,585,248 Anti-jackknife and steering control system
An instrumentality for preventing jackknifing of a vehicle commonly referred to as a tractor trailer and a steering control system therefor including a plate...
US-D283,636 Combined rowing and bicycle exerciser
US-4,584,063 Separation of acetone from methanol by extractive distillation
Acetone cannot be completely removed from acetone-methanol mixtures by distillation because of the presence of the minimum boiling azeotrope. Acetone can be...
US-4,583,659 Cartridge dispenser
A cartridge dispenser having structure for securing two columns of cartridges within a housing so that they do not jostle about when the dispenser is used and...
US-4,583,598 Row marker
The row marker for farm planters has a horizontal base bar and a vertical post. A main arm and brace arm are pivotally mounted to the base bar. A marker bar is...
US-4,579,945 Purification of trehalose dimycolates
A method of purifying crude trehalose dimycolates (TDM) is disclosed which comprises dissolving crude TDM in a solvent and then subjecting said solution to a low...
US-4,579,391 Method of electric smelting to matte in situ
A method of extraction of metallic sulfides (Matte) from an ore deposit in situ. The contained sulfides are smelted by resistor induced heat creating a matte...
US-4,579,071 Packer wheel assembly
Packer wheel assemblies attached to earthworking tools of a field cultivator compact soil about seeds dispensed into the soil with an air planter. Each packer...
US-4,577,582 Anchor with pivoting arms
A tubular shank structure the anchor includes an elongate arm control member which moves lengthwise within a main body of the shank structure. Pivotally mounted...
US-4,576,151 Orthopedic leg appliance
A orthopedic leg appliance includes opposed pairs of cuff members that may be attached a patient's legs and adjusted relative to one another to apply torsional...
US-4,575,308 Solid materials pump
A rotary pump is disclosed for pumping liquid and solid materials carried in suspension therein. The rotary pump comprises an impeller and a housing. The housing...
US-4,575,300 Container lift apparatus for a garbage truck
The present invention is directed to container lift apparatus for a side loading garbage truck. The apparatus includes mechanism for lifting and rotating a...
US-4,574,770 Cooking grill grease catcher
A cooking apparatus comprises a plurality of grease-catching elements below a rack supporting food being cooked. Each of the grease-catching elements has a...
US-4,573,695 Sled apparatus
Sled apparatus including a body supporting portion, a runner portion, a runner supporting portion and a steering portion; the body supporting portion including...
US-4,571,752 Sanitary device system
A sanitary device liquid circulation system includes a water supply portion, an additive supply portion and an air supply portion. The water supply portion...
US-4,570,145 Control apparatus
Temperature responsive control apparatus includes a body portion, a socket portion, a circuit portion, a connecting portion, a temperature responsive portion and...
US-4,569,726 Process for the separation of ethyl acetate from ethanol and water by extractive distillation
Ethyl acetate cannot be completely removed from ethanol and water mixtures by distillation because of the presence of the minimum ternary azeotrope. Ethyl...
US-4,569,089 Jacket/vest
A garment which converts from a jacket to a vest and vice versa. The garment has retractable sleeves which are rolled or folded into sleeve storage compartments...
US-4,568,584 Garden structure
A garden structure includes a plurality of adjacent plastic base members with each of the base members including a frame portion, a filler portion, a sealing...
US-4,567,853 Animal carrier apparatus
Animal carrier apparatus including a base portion, an animal support portion, a locking portion and a towing portion; the base portion including a pair of frame...
US-4,567,515 Multiple image generation and analysis system
An extremely versatile approach to image processing is disclosed. A real time same scan video marking and analysis circuit is disclosed which is adaptable to a...
US-4,566,948 Separation of isopropyl ether from isopropanol and water by extractive distillation
Isopropyl ether cannot be completely removed from isopropyl ether-isopropanol-water mixtures by distillation because of the presence of the minimum ternary...
US-4,566,545 Coring device with an improved core sleeve and anti-gripping collar with a collective core catcher
An improved coring device that incorporates a nonrotatable inner barrel disposed within the outer driving structure of the drill string which is coupled to the...
US-D282,273 Ice fishing box having an indicator mounted on a removable reel assembly
US-D282,272 Conically shaped ice fishing box having an indicator mounted on a removable reel assembly
US-4,563,981 Group tether apparatus
A group tether or control apparatus for imparting directional control to a group of individuals, such as children, on an outing or field trip, as when crossing a...
US-D282,204 Speculum
US-4,563,739 Inventory and business management system which accounts for the contents of full and partially filled product...
A computer based system is used for taking inventory and obtaining inventory reports on numerous products which are dispensed in full containers or in quantities...
US-4,562,870 Dubbing twister device
An improved tool for making dubbed bodies used in fly tying. This tool includes a thread twisting means releasably mounted on a base which means is used for...
US-4,561,981 Treatment of fouling with microcapsules
A method for controlling, preventing, or removing fouling deposits comprising microencapsulating fouling control chemicals in a slow release capsule. The...
US-4,561,256 External combustion engine
This disclosure relates to an external combustion engine including an engine housing forming at least one pair of opposed cylinders, a piston mounted for...
US-4,560,655 Serum-free cell culture medium and process for making same
A defined serum-free medium that is capable of growing a wide range of suspension and monolayer cells includes a serum substitute composed of fetuin,...
US-4,558,538 Sliding sleeve drum sander
Disclosed is a drum sander having a frame with a workpiece support surface thereon. A motor is mounted on the upper end of the frame over the workpiece support...
US-4,557,335 Wing section rod weeder with mating coupling components
A wing section equipped rod weeder implement is provided wherein the implement includes a center section and a pair of opposite side wing sections which may be...
US-4,553,080 Position transducer
A stepping motor is employed as a rotary position sensor by applying a bias current to one pair of its windings and sensing the signals produced by another pair...
US-4,551,718 Method and apparatus for transmitting status information between remote locations
A system for transmitting status information from a first location to a remote second location includes a monitoring device at the first location for monitoring...
US-4,551,207 Separation of isopropyl ether from acetone by extractive distillation
Isopropyl ether cannot be completely removed from isopropyl ether-acetone mixtures by distillation because of the presence of the minimum binary azeotrope....
US-4,551,095 Attachment of Herbst mechanism to maxillary arch
Attachment of a Herbst mechanism to the maxillary arch by use of a headgear tube is disclosed. A shaft of a length greater than that of the tube passes...
US-4,550,512 Excavator bucket with detachable implements
An excavator bucket has a ground engaging portion with a central housing and side housings providing sockets for receiving the tangs of various implements for...
US-4,549,938 Separation of methanol from methyl acetate by extractive distillation
Methanol cannot be completely removed from methanol-methyl acetate mixtures by distillation because of the presence of the minimum binary azeotrope. Methanol can...
US-4,549,365 Snow removing attachment for automotive vehicles
This invention is a new and unique snow removing apparatus to be fastened upon automotive vehicles, particularly relatively light weight vehicles such as pickup...
US-4,546,568 All-metal live trap
An animal trap wherein the housing is formed of sheet metal and the trap door is of a mesh construction wherein the animal can in no way gain access to one...
US-4,546,508 Bedding assembly
A bedding assembly including a base encompassing portion, a base covering portion and a body covering portion; the base encompassing portion including a...
US-4,545,471 Drive assembly
A drive assembly including first and second shafts, the shafts being normally aligned axially in an end to end relationship, a connector portion operatively...
US-4,544,454 Separation of isopropyl ether from methyl ethyl ketone by extractive distillation
Isopropyl ether cannot be completely removed from isopropyl ether - methyl ethyl ketone mixtures by distillation because of the presence of the minimum binary...
US-4,544,307 Drilling jig for flathead screw pilot holes
In its preferred embodiment this jig is a rigid foam plastic casting specific to a particular type of workpiece. It enables accurate fastening of workpiece to...
US-4,543,948 Apparatus and method for applying rotational pressure to parts of the body
Apparatus for applying rotational pressure to one or more selected parts of the body of a patient includes at least two separate casts placed about portions of...
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