UNT Libraries Government Documents Department - 51 Matching Results

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Automatic Pipe Coupling
Patent for improvement on the methods of controlling oil flow.
Automobile-Lock.
Patent for a padlock and mount for the steering column of an automobile.
Valve Remover.
Patent for "an improvement in combination tools...adapted for use with internal combustion engines...mechanism is provided for assisting in valve removing." [lines 8-14]
Line-Shaft Oiler
Patent for improvements to line-shaft oilers to more easily oil bearings and prevent oil waste.
Trowel.
Patent for "new and useful improvements in Trowels." (lines 8-9) including instructions and illustrations.
Well-Boring Apparatus
Patent for a new and improved well-boring apparatus that rotates a drill stem. The drill is then elevated when it is desired to unscrew the joints.
Well Capping Device.
Patent for "new and useful improvements in a well capping device." [lines 9-10]
Method of Regulating the Load on Rotary Drills.
Patent for regulating the load on rotary drills, specifically those used in the oil and gas industry.
Tool-Joint
Patent for tool joints to be used in detachable connection between lengths of pipe. Specifically used with drill pipe for drilling deep wells for oil, gas, or water.
Hoisting Drum
Patent for improvements to hoisting drums for use in drilling oil, gas, and water wells, with the object being "to employ a plurality of hoisting drums upon the same shaft so that the cable may be wound partly on one drum and partly on another" (lines 73-76) such that the danger of cable cutting is decreased and the speed of operation is increased, including illustrations.
Power Generating Unit for Locomotive Headlights
Patent for an invention that makes the manufacturing of headlights inexpensive, while also keeping the headlights durable and able to fit in a relatively small space.
Expansive and Contractive Well-Drill
Patent for improvements for expansive and contractive well drill involving improvements to drill bits.
Single Trigger Mechanism For Double-Barrel Guns
Patent for "new and useful improvement in Single Trigger Mechanism For Double-Barrel Guns (lines 5-7)."
Garment-Protector.
Patent for an easily detachable garment protector "for use with trousers and overalls to protect them from wear and from becoming soiled while in use" (lines 10-13) including illustration.
Device for Forming Screens
Patent for a device for forming screens that consist of perforated pipes and screening wires, which will prevent displaced wires and torn pipes during use.
Wrench
Patent for wrenches that provides a means for engaging faces of the jaws to be renewed or changed. This improvement also allows for secure placement without loss of motion.
Drill Bit for Wells
Patent for drill bit for drilling wells.
Oil Thief
Patent for Oil Thief
Gate Operating and Locking Means.
Patent for an "invention that relates to new and useful improvements in gates and particularly that class which swing in a vertical plane." (Lines 12-14)
Roller Boring-Drill
Patent for a roller boring drill in which "the cutting rollers are arranged on the drill in a novel manner." Object of invention is to keep the drill centered in the hole to prevent wobbling.
Roller Boring-Drill
Patent for roller boring drill that provides the cutting device to maintain clearance of the drill-head and can be adjusted to compensate for wear.
Bale-Forming Press.
Patent for a new and improved hay bale forming press that compresses hay or other similar material into a bale and secures it with wire or chords that are tied around the bale, including illustrations.
Revolving-Cutter Rotary Boring-Drill.
Patent for an improved rotary boring drill, "particularly to drills of that type which are provided with cutters of a flat, circular plate shape" (lines 16-18), designed to reduce wear from repeated use.
Revolving-Cutter Rotary Boring-Drill
Patent for improvements to a rotary boring drill of the type which uses circular plate or disk shaped cutters, including illustrations.
Texas Attorney General Open Records Letter Ruling: OR2000-0339
Document issued by the Open Records Division at the Office of the Attorney General of Texas in Austin, Texas, providing an informal interpretation of Texas law related to a request received by the City of Houston for an incident report.
Centrifugal Pump
Patent for a centrifugal pump. This invention "relates to centrifugal pumps in which a rotary impeller, having a fluid-entrance at the eye, discharges into a surrounding discharge chamber" (lines 8-11). Illustrations included.
Crate
Patent for a banana crate which is long lasting and does not damage the bananas.
Bottle-Closure
Patent for closure of bottles used for liquors and medicines which will prevent an attempt to refill the bottle after its contents have been removed. Therefore, preventing the reuse of the bottle for fraudulent purposes.
Arc-Lamp Headlight
Patent for an electric arc headlight for trains, cars, or boats which produces a steady light and lasts long enough to allow travel over long distances.
Car Truck
Patent for car truck. "This invention relates to car trucks, and one of the principal objects of the same is to provide an arrangement of equalizers which will reduce the lateral swinging motion of the car when passing around curves" (line 8-12). Illustration included.
Wrench
Patent for a wrench. Illustrations included.
Wrench
Patent for a wrench. Illustrations included.
Wrench
Patent for a wrench. Illustrations included.
Turning-Tool for Bale-Band Fasteners.
Patent for a new and useful turning-tool for bale-band fasteners “which can be readily applied to and removed from the fastener, while at the same time providing positive means for exerting a powerful leverage upon the turning or winding element of the fastener to insure the taking up of a maximum amount of slack in a bale-band with a minimum movement.” (Lines 15-22.) Illustration is included
Lock
Patent for a lock. This lock is designed for a coin fed lock that releases the key for the customer. Illustration included.
Tourist's Glasses.
Patent for tourist's glasses which include a compass, a mirror, and binoculars which fold up into a compact case and includes adjustable lenses.
Method of Cleaning Ginned Cotton
Patent that "is in a ready, simple, thoroughly feasible, and practical manner to clean ginned cotton while passing from the gin to the condenser and to eliminate therefrom all objectionable matter." (line 10-14)
Fence-Post
Patent for a plastic fence post for use with wire fences that has pre-made openings for the wires to go into to and attach to the fence post.
Saw-Filing Machine.
Patent for a new and useful saw filing machine, including instructions and illustrations.
Fluid-Clutch
Patent for a fluid-clutch that prevents jarring when the clutch is taken off.
Flap-Valve
Patent for a flap valve for use in blowing engines that increases the life of the valve plates.
Notching Means for Wire-Winding Machines
Patent for a notching means for wire winding machines for use in making well screens.
Pattern and Match Plate
Patent for a pattern and match plate for use in making car wheel chill segments more quickly and with less skilled labor.
Railroad - Bed For Trestles.
Patent for a new and useful railroad bed for trestles.
Axle Box for Locomotives.
Patent for a new and improved axle-box for locomotives. This design consists in "[t]he combination, with a pedestal, of an axle-box mounted to slide vertically in the said pedestal, a second axle-box mounted with one side in a bearing in the said pedestal, and a connecting-rod secured to the last-named axle-box and pivotally connected with the first-named axle-box" (lines 67-73).
Funnel for Forcing Molasses, &c.
Patent for a new and improved funnel. This design "relates to improvements in funnels for transferring molasses and other thick liquid and substances from one receptacle into bottles, jars, and other vessels; and the objects of [the] improvements are to provide a funnel with means for securing it to a table, counter, &c.; to provide said funnel with means for forcing a liquid therethrough and the forcing apparatus with a detachable spout thereunder" (lines 10-19).
Air Compressor for Deep Well Pumps.
Patent for a new and improved air-compressor. This design "relates to improvements in air-compressing mechanism for the purpose of pumping for forcing from deep wells and performing similar work; and it consists in the construction and arrangement of a larger and smaller air-cylinder, and the combination therewith of mechanism to force the air from the larger into the smaller cylinder to increase the air-pressure in the latter" (lines 22-30).
Combination Implement for Sealing Packages and Railroad Cars.
Patent for a new and improved implement for the sealing of railroad cars and packages. This design "consists of an implement combining all the tools necessary for rapidly and easily sealing railroad-cars and packages with the ordinary wire or tin seals, and of the [novel] particular construction" (lines 9-13).
Mechanism for Operating Railway-Switches.
Patent for a device "for automatically operating the switches of steam, electric, and street railways by the movement of a locomotive or car, thereby obviating the necessity of a brakeman, driver, motorman, or other person alighting from the car or train for such purpose" (lines 12-18).
Hammock.
Patent for a new and improved hammock. This design "is to provide a . . . hammock which is simple and durable in construction, very comfortable, and yielding to the motion of the body, at the same time avoiding the catching of buttons on the dress, as is frequently the case with hammocks having meshes. The invention consists of a number of slats, each provided at its ends with a transverse aperture, through which passes a cord or wire for holding the slats together to form the hammock" (lines 7-18).
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