UNT Libraries Government Documents Department - 18,569 Matching Results
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- Dumping-Platform.
- Patent for a dumping platform for wagons to drive under and be filled with their load.
- Dumping Wagon.
- Patent for a new and improved dumping wagon. This design is "to provide a double dump for carrying dirt, sand, gravel, and other loose material on ordinary road-wagons, together with mechanism for instantly unloading the same" (lines 8-12). To this end, it consists "of a frame, double dumping-boxes swinging upon axles, and a U-shaped dumping lever, said lever provided with points extending slightly beyond its axis" (lines 90-93).
- Dumping-Wagon.
- Patent for a simple and durable dumping-wagon that "consists principally of a body made in two pivoted parts and a lever fulcrumed on the wagon-frame and adapted to impart a swinging motion to the said parts to the dump of the body" (lines 12-16).
- Duplex Door-Check Holder and Buffer
- Patent for door check holder for preventing doors from slamming and holding them in open position. Illustrations included.
- Duplex Menu.
- Patent for new and useful improvements in duplex menus, including instructions and illustrations.
- Duplex Water-Gage
- Patent for a duplex water gage for train boilers.
- Dust and Cinder Fender.
- Patent for a fender for railroad car windows that prevents the intrusion of dust and cinders into an open window while allowing window to remain open for light and ventilation. The device can be attached to either side of the car.
- Dust and Wind Guard
- Patent for a window designed to shield against dust and wind. Illustrations included.
- Dust Box.
- Patent for a new and improved dust-box. This design consists in "[t]he combination, with a floor having an aperture cut into it and provided with a door flush with the surface of the floor, of a dust-box having a square bottom and diverging sides formed with outwardly-projecting flanges re-enforced upon their under sides by plates or bars and having strips secured to the inner sides, having their upper ends bent inward" (lines 76-83).
- Dust-Cap For Tire-Valves.
- Patent for dust-cover for tire-valves
- Dust Guard for Car Windows.
- Patent for a new and improved dust guard for windows. This design consists in "the body . . . which is of concavo-convex form, closed at its upper end by a transverse plate and provided at its lower end with a contracted opening for the discharge of cinders, dust, &c., said body portion being provided with means . . . for affecting its attachment to a window frame" (lines 77-85).
- Dust Guard For Vehicles
- Patent for a dust guard for vehicles. Illustration included.
- Dust Separating Apparatus
- Patent for a dust separating apparatus. This device is designed for seperating dust from the air. Illustrations included.
- Dustless Trousers Cabinet.
- Patent for improvement of construction of display cabinets in stores.
- Dynamo-Electric Machine
- Patent for a new and useful improvement in a dynamo-electric machine to provide a rotor in which certain coils of the winding are automatically cut out and utilized as open coils to prevent the turns in those coils from having a demagnetizing action. Another objective is to provide a rotor whose core consists of non-magnetic material to refuce the inductance and self-induction of the winding and the sparking at the commutator due to the shifting of the magnetic field and the neutral or point of commutation.
- Dynamo Electric Machine
- Patent for Improvement of Dynamo-Electric Machines. The improvement turns electric energy into mechanical entry.
- Dynamo Electric Machine
- Patent for Dynamo Electric Machine. "in our improved dynamo-electric machine we combine in the armature the advantages due to iron wire and to separated disks or flat rings, and then binding them together at equal intervals." (lines18-23)
- Dynamometer for Locomotives.
- Patent for a new and improved dynamometer for locomotives. This design is "to provide a novel construction in dynamometers for indicating the traction power of locomotives" (lines 9-11). It consists in "a draw-head, a chamber containing a liquid located therein, a piston operating in said chamber, means for connecting said piston with the opposite draw-head, suitable tubing connecting with the said chamber, and a pressure-gage mounted upon or attached to the said tubing and actuated by the said liquid" (lines 29-37).
- Earth-Auger
- Patent for structural improvement in machines used for boring post holes and wells with illustrations and instructions included.
- Earth Auger
- Patent for an earth auger. This invention is designed to remove loose soil and preventing the chocking of the auger. Illustration included.
- Earth-Auger.
- Patent for a device that drills into the ground and lifts the contents into a metal container. The hand-operated device also has wings that expand to let the user know when to empty the contents.
- Earth-Auger.
- Patent for an invention that "relates to an implement designed for boring earth, and may be used for well-boring and also for boring post-holes," (lines 11-13) including instructions and illustrations.
- Earth-Auger.
- Patent for an earth-auger that is more effective than other augers and can be constructed to make different sized holes. It is operated by moving two blades back and forth.
- Earth-Auger.
- Patent for an earth-auger meant to dig post-holes. It has a lateral "cutting-edge and a continuous cutting-edge from its point to its top, said cutting-edge receding continuously and uniformly from the axis of rotation of the tool, whereby it cuts from the center outward and gradually widens or increases the diameter of the hole at any given point until this point is reached by the periphery of the ears or basin at the top of the bit, and, furthermore, to provide means for packing or smoothing the sides of the hole" (lines 13-23).
- Earth Auger.
- Patent for a new and improved earth auger. This design "relates to machines for boring post-holes, &c.; and it consists especially in certain improvements in the frame and operating mechanism" (lines 21-24).
- Earth-Auger.
- Patent for an earth-auger that allows a hole to "be bored in ordinary soil in much less time than with the ordinary auger. It readily bores in ground in which the ordinary auger will not bore - viz., dry, hard, and packed soil, gravel, and concrete beds."
- Earth Auger.
- Patent for a new and improved auger. This design "relates to a new and improved earth-auger made funnel shaped, with side cutting-edges, and adapted to be inverted for emptying the auger; and the invention consists of the construction and arrangement of parts" (lines 7-12).
- Earth-Auger.
- Patent for an earth auger.
- Earth-Augers.
- Patent for a new and improved earth auger. This design calls for "a hinged door having its edge folded or bent to form an air-tube . . . [and] a pair of hemi-cylindrical doors having on one or both an air duct or ducts," as well as interchangeable bits with a shouldered and threaded shank and a nut combined and arranged in a novel way (paras. 12-15).
- Earth Borer and Excavator
- Patent for an Improvement in Earth Boring and Excavating Machines whereby the machines may operate continuously except for the addition of shaft and belt sections.
- Earth Borer and Excavator
- Patent for an earth borer and excavator machine
- Easel
- Patent for an adjustable easel.
- Easel
- Patent for an easel that has a sliding picture-rest, which is has a "clutch mechanism for holding the sliding rest at any desired elevation" (lines 11-14). It also has a "auxiliary folding rest for holding a model or study while the artist is engaged at work" (lines 20-22), which can be folded up when finished.
- Eccentric.
- Patent for eccentrics, a component of machinery carrying oil or lubricants to allow parts to move easily.
- Eccentric Cylinder Rotary Engine
- Patent for eccentric cylinder rotary engine. Illustration included.
- Economy Air-Brake Apparatus
- Patent for improvements to railway air-brake apparatuses, including specifications for such improvements.
- Educational Appliance.
- Patent for an educational appliance that is meant to be used for teaching math mechanics and physics. It easily demonstrates principles of mechanics and physics that involve quantities.
- Educational-Chart Drawing-Board and Writing-Desk.
- Patent for a durable writing desk that transforms into a drawing-board which can be folded and stored in a relatively small space when not in use.
- Educational Device
- Patent for a combined folding desk, blackboard, scroll, and map cabinet to be used for educational purposes. Illustrations included.
- Educational Device.
- Patent for "improvements in combined desk and blackboard devices arranged in convenient shape for opening and closing and reversing in position" (lines 8-11); including instructions and illustrations.
- Educational Device.
- Patent for improvements in educational device by providing “a simple and comparatively inexpensive one designed for teaching addition, multiplication, subtraction, and division and capable of enabling the same to be explained with greater ease and at the expenditure of much less energy of both pupil and teacher.” (Lines 12-18) Illustration is included.
- Educational Souvenir.
- Patent for an educational souvenir. This object is intended to educate and amuse audiences.
- Egg Beater
- Patent for an egg beater. Illustration included.
- Egg-Case.
- Patent for a new and useful improvement in egg case, that "relates to folding boxes or crates such as are usually employed for packing and shipping eggs and various other articles" (line 10-12).
- Egg-Case Fastener.
- Patent for a fastener that is used in "egg-cases and packages of similar character designed for shipping goods and which are required to be returned to the consignor to be again used" (lines 8-11). The top of the case has a plate securing it so that it is "secured by positive means against accidental displacement" (lines 23-24).
- Egg-Crate.
- Patent for "a crate in which eggs may be shipped by freight, express or parcels post...without being cracked or broken" (lines 10-14), including illustrations.
- Egg-Crate.
- Patent for an egg-crate that has "hinged sections, the middle section being composed of a solid block with cavities top and bottom corresponding with cavities formed in the lower and the top surface respectively of the upper and the lower portions which fit on opposite sides of the middle solid portion, the said three portions or sections being hinged together and provided with a suitable fastening" (lines 16-25).
- Egg Holder.
- Patent for a new and improved egg holder. This design consists "[i]n an egg-holder, the combination, with two hollow semi-ellipsoidal sections, having downwardly-projecting stems terminating in legs, the stems being pivoted to each other, of the spring interposed between the lower ends of the stems" (lines 70-75).
- Egg Preserving Apparatus.
- Patent for a new and useful egg container for packing, storing, and preserving eggs.
- Egg-Preserving Compound.
- Patent for a mixture of chemical for preserving eggs; ingredients, measurement and instruction are in included. No illustration.