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Patent # Description
US-4,324,430 Infant carrier particularly for grocery store shopping carts
A simplified, lightweight and very compact chair-like carrier enables placing an infant securely and comfortably in the seat structure of a shopping cart. Straps...
US-4,320,608 Post support socket
A ground anchor for posts has a leg driven in the ground with a fluke or fin member secured to the upper end thereof and cooperating therewith to form a post...
US-4,317,496 In-motion weighing system
A dynamic weighing system for vehicles in motion which is specially adapted for weighing a plurality of coupled railroad cars of varying length randomly...
US-4,315,833 Arc sputtering method of making colloidal magnesium sol and apparatus therefor
A colloidal magnesium sol is formed in metered amounts, e.g., 2 g, 3 g or 4 g per 500 cc of kerosene, by arc sputtering magnesium metal electrodes under kerosene...
US-4,308,923 Accu-press
Disclosed herein is a device for orienting a drilling auger disposed on and powered by a vehicle defined by a lower frame member carried by the vehicle, an upper...
US-4,308,683 Trap anchoring stake
A trap anchoring stake for anchoring an animal trap in soft or loose soils where in the past excessive stake length has been required to keep the trapped animal...
US-4,306,621 Method for in situ coal gasification operations
An in situ coal gasification process adapted for large scale commercial projects is provided. Techniques are provided to insure establishment of a gasification...
US-4,299,799 Carbon treatment of monohydrate crystallizer liquor
Improved process for preparing sodium carbonate from crude trona without carbon column scaling by evaporating a portion of water from a clarified sodium...
US-4,299,419 Fireplace ash cleaning shovel
A fireplace ash cleaning shovel having a generally rectangular base chamber with a sloping ash receiving front and a flat lid hinged thereto and having a...
US-4,295,044 Beverage flow switch
A flow switch apparatus and method for use in determining the quantity of a beverage liquid passing through a conduit, the apparatus including a light path...
US-4,294,409 Shower head and valve assembly for camping shower
The present invention includes a novel and unique combination poncho or rain garment with means adapted for suspending the poncho from an overhead object in a...
US-4,291,684 Glazing for solar heat collectors with provisions for thermal expansion of the glazing
A solar heat collector having a radiant energy transmitting cover which is mounted relative to the supporting frame for the collector in a manner to permit...
US-4,290,712 Plastic post apparatus and methods
A post made of one piece of molded polymeric material having a vertically upwardly extending elongated post means portion for supporting apparatus mounted...
US-4,288,419 Enhanced recovery of sodium carbonate from NaCl-containing sodium carbonate solutions
A method for enhancing recovery of sodium carbonate from sodium carbonate solutions which contain sodium chloride. Anhydrous sodium carbonate is recovered in...
US-4,287,871 Zero clearance mobile home fireplace unit
An efficient zero clearance fireplace, space heater is disclosed which is adaptable for installation in either mobile homes or permanent structures. The...
US-4,286,747 Mail box support
An energy absorbing support for mailboxes and the like devices mounted alongside roadways where they are exposed to impact by vehicles has a post of generally...
US-4,285,915 Recovery of alkali values from trona ore
Alkali values are recovered in a cyclic method from mechanically mined trona ore or from trona deposits by a solution mining technique utilizing a solvent...
US-4,285,601 Drilling mud mixer
A generally cylindrical mixing tank for oil well drilling mud circulates the mud passing out of a set of urethane nozzles about an elliptical path in the tank,...
US-4,285,548 Underground in situ leaching of ore
An underground method for in situ leaching of mineral resource bodies is used to recover the mineral. The method comprises running a drift close to the resource...
US-4,283,372 Recovery of alkali values from sodium bicarbonate-containing ore with ammonia
A method for recovering alkali value from sodium bicarbonate-containing ore by utilizing an aqueous solvent containing ammonia. The aqueous ammonia solvent is...
US-4,282,946 Multi-terrain vehicle
A multi-terrain vehicle for travelling on or above the ground or the like. The multi-terrain vehicle has a rigid body portion and a series of rigid ribs are...
US-4,281,834 Golf chipping and pitching device
A device which is especially adapted for use as a golf practice unit or as a game takes the form of a solid ring or band mounted on an adjustable stand or base...
US-4,279,518 Dot matrix print head
This invention involves methods and apparatus relating to the assembly and structure of a dot matrix print head. The invention includes a single unit, coil...
US-4,279,093 Humane animal trap
A first elongated base bar for disposition in a horizontal position is provided and a second elongated bar has one end pivotally anchored relative to one end of...
US-4,276,997 Dispensing apparatus for an aircraft anti-icing and biocidal fuel additive
An additive metering and dispensing system for the addition of an additive to aircraft fuel which includes a variable volume regulator for measuring and...
US-4,275,915 Vehicle closure
A hatchback or liftback closure having a frame member and a body member fixedly secured thereto is provided for retrofitting to a motor vehicle. The body member...
US-4,273,658 Thickener control process
The operation of a continuous thickener, clarifier, or similar device having a feed well into which a feed slurry of suspended solids and a flocculant are...
US-4,272,958 Anti-pollution treating device
Combustion products having water vapor mixed therewith are conducted along a helical path by a heat transfer conduit in surrounding relation to a cylindrical...
US-4,272,940 Interlocking building block
A molded cement building block having horizontal and vertical pairs of tongue over groove configurations for interlocking with horizontally and vertically...
US-4,269,614 Apparatus for controlling the dispersion of coal fines into the atmosphere
In order to limit the dispersion into the air of fines during the processing, handling and transport of fines-containing material, a hollow plow-like member is...
US-4,268,088 Shortwall mining of trona
A method of mining substantially horizontal beds of trona ore, such as are found in the vicinity of the town of Green River, Wyoming, in which substantially all...
US-4,268,082 Elevator latch for drilling rigs
An automatic elevator latch is connected to the elevator of a drilling rig for automatically clamping the drill stem or pipe of the drilling rig. The automatic...
US-4,268,066 Recreational vehicle wind stabilizer
An elongated strut having first and second large and small diameter relatively telescoped opposite end portions. The free end of the large diameter end portion...
US-4,267,876 Film fastening system
A fastening system for attaching a flexible sheet or cover such as a polyethylene film sheet to a structure comprising a rigid channel which extends along the...
US-D259,182 Shaving lather applicator
US-4,263,906 Two part wound bandage
A wound bandage comprises a two-part bandage frame having an upper frame member and a separable lower frame member, with the upper frame member having a wound...
US-4,261,124 Album cover display frame
A frame for display and rapid removal of record album covers and the like if formed from flexible plastic material in the shape of a square planar base with a...
US-4,260,271 Inked ribbon advancement mechanism
The present invention is an inked ribbon advancement mechanism which is used in combination with a printer having a movable print head. The printer includes a...
US-4,257,282 Transport system for a dot matrix printing mechanism
A transport system for a dot matrix printing mechanism including an improved overall design for the transport system and improved designs for individual elements...
US-4,256,943 Toggle switch actuating apparatus
Apparatus for actuating an electrical toggle switch including a rigid rod member, carriage means disposed along the length of the rod member supporting the rod...
US-4,255,884 Apparatus for unattended conversion of a front end loader
An auxiliary blade, such as a snowplow or the like, is quickly attached to or released from the bucket of a front end loader solely by pivotal movement of the...
US-4,254,542 Construction nut and bolt assembly and method of erecting structural steel
A combination structural steel erection bolt, drift pin and nut assembly replaces heretofore required long erection bolts and drift pins or pry bars in erecting...
US-4,252,445 Fluid mixing system
A system for mixing fluids such as drilling fluids and which comprises an elongated container having a cylindrical shaped bottom. A short suction conduit has an...
US-4,252,362 Pickup bed cover
This invention relates to a cover for the open bed of a pickup truck or the like characterized by a multi-channelled track having a first pair of parallel rails...
US-4,249,831 Well tool
A sinker bar connectable to other sinker bars, sucker rods and the reciprocable operator of a down hole pump by use of conventional elevator and hoist connectors...
US-4,244,469 Protective carrying case for drill bits
A well drilling bit or equivalent tool is provided with a protective carrying case in the form of an open bottom conically shaped plastic hollow bucket with...
US-4,244,324 Livestock containment device
A livestock containment device features a rigid panel securable in an upright position and of a length and height to span an animal disposed alongside. A...
US-4,242,822 Removable sign post holding apparatus
A removable sign post holding apparatus including a body portion having a post-receiving opening, a plurality of retaining members disposed around the periphery...
US-4,242,006 Adjustable media advancement mechanism
The present invention is an improved media advancement mechanism for use in combination with a printer that includes a frame, a print head mechanically coupled...
US-4,242,005 Inked ribbon advance and reverse mechanism including a pawl having different size teeth
The present invention is an improved pawl for use in combination with an inked ribbon advance and reverse mechanism which includes a plate member, a pair of...
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