UNT Libraries Government Documents Department - 3,777 Matching Results

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Gas-Governor.

Description: Patent for an improved gas governor that are used with gas-meters in supply-buildings and accurately regulates gas flow and pressure. The invention is a general improvement on gas governors, and is efficient in its operation.
Date: August 15, 1893
Creator: Martyr, Leonard W. & Eldridge, Hilliary

Car-Brake.

Description: Patent for a car brake that has independent brake shoes and brake pressure is equally applied to all the wheels of the truck. The invention is meant to "obtain in a car brake of this class a central transmission of the applied brake power to the different groups of brake mechanism whereby the brake power is distributed equally to each wheel and the brakes are not only rendered more stable and certain in their operation, but are better adapted for the application of either hand or air brake or p… more
Date: December 12, 1893
Creator: McGee, James

Cattle-Guard.

Description: Patent for a simple and inexpensive cattle-guard that has comprising rollers which can be independently and easily replaced. The bars that hold the rollers can also be easily removed.
Date: January 30, 1894
Creator: Lefléve, Louis

Cattle-Guard for Railroads.

Description: Patent for a cattle-guard for railroads that is "a series of plates or slates mounted with the capability of partial or complete rotation on axes substantially parallel with the rails and between the said rails and on either side of the track so as to span the road bed or space between the ends of the fence" (lines 25-31). The plates have longitudinal flanges with serrated edges.When the cattle step on the guard, they will experience pain and avoid the spot.
Date: February 6, 1894
Creator: Lee, Jacob M.

Mosquito-Net Frame.

Description: Patent for a mosquito-net frame that can support a tester, but does not require one to operate. The net can be draped over a bed and moved out of the way again without interfering with the tester.
Date: February 20, 1894
Creator: Lottman, Albert C.

Device for the Protection of Vessels.

Description: Patent for a device that protects boats and consists of supporting plates, two of which are firmly secured to the side of the boat, springs between the supporting plates, and chains that limit the movement of supporting plates.
Date: July 24, 1894
Creator: Bailey, William Henry, Sr.

Combined Shoot-Board and Squaring-Box.

Description: Patent for a combined shoot-board and squaring-box meant to square and shave "the edges of stereotype and other printing plates; ant to this end the invention contemplates a device of this character that will be of an exceedingly simple and comparatively inexpensive construction, while at the same time providing for an easy and accurate manipulation of the plates being operated upon" (lines 10-17).
Date: December 18, 1894
Creator: Owen, Thomas

Draft Attachment.

Description: Patent for "an improved construction for draft attachments whereby we may dispense with the action of the ordinary doubletree or evener and throw the draft of each animal directly upon the axle-clips or fixed point of attachment on its side of the axle, thereby causing the draft of each animal to be independent of the other and avoid the tendency of the stronger, or in starting the quicker animal, pulling the weaker or slower animal backward and to one side of the line of draft." (Lines 14-25) … more
Date: February 26, 1895
Creator: Harmon, William Ellis & Garwood, John L.

Draft Attachment for Doubletrees.

Description: Patent for "a draft attachment which shall prevent the swaying of the pole or tongue sidewise, and cause the draft of the animals to be independent of each other." (Lines 19-23) Includes instructions and illustrations.
Date: February 26, 1895
Creator: Harmon, William Ellis & Garwood, John L.

Exercising Device.

Description: Patent for an "exercising device for teaching beginners the correct touch on the piano to systematically develop finger [technique]." (Lines 9-11) Includes instructions and illustrations.
Date: April 30, 1895
Creator: Felden, Oscar

Cut-Off Valve.

Description: Patent for a cut-off valve meant to improve shut-off valves with "valve-plugs mechanically actuated by rotary valve-stems provided with cranks or eccentric pins which loosely engage the valve-plugs and serve to shift the latter longitudinally to or from the valve-seats when the stems are rotated" (lines 9-14).
Date: June 23, 1895
Creator: Melvin, Josiah W.

Mechanism for Operating Railway-Switches.

Description: 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).
Date: July 2, 1895
Creator: Moore, Albert R.

Combination Steel Bar.

Description: Patent for a combination steel bar meant to easily remove nails and spikes from board without bending the nails or spikes and without splitting the board. It can also be used to remove siding from houses and ships.
Date: July 23, 1895
Creator: Brooks, Jesse S.

Apparatus for Cooking Cotton-Seed Meal.

Description: Patent for an apparatus for cooking cotton-seed meal meant to get the maximum amount of oil for the meal used and puts moisture into dry meal and evaporates excess moisture in meal. Meal is continuously supplied through the machine and water-bath. The steam does not burn or harm the meal.
Date: August 27, 1895
Creator: Dabney, Benjamin & Yopp, William I.

Attachment for Penholders.

Description: Patent for a simple and effective attachment for penholders. It is "readily and easily attached to a penholder, and which is adapted to protect the fingers of the hand and prevent them from coming in contact with the pen or with the inked portion of the holder" (lines 15-19).
Date: November 12, 1895
Creator: McDonald, Michael Shaw

Cattle-Guard for Railroads.

Description: Patent for an improved and inexpensive railroad cattle-guard that "can be readily secured to the road-bed of a railroad, as well as easily removed therefrom, as in case of needed repair, or for other purposes" (lines 19-22). The invention provides an uneven surface for the cattle to walk on.
Date: December 3, 1895
Creator: Lee, Jacob M.

Singletree Attachment.

Description: Patent for "an improved device on the end of a singletree to hold the end of a harness-tug" (lines 12-14). It has a stirrup-holder hinged to a ferrule, a handle, a stirrup, and a tug.
Date: December 31, 1895
Creator: Cawthon, Peter WIllis

Apparatus for Heating up Locomotive-Boilers.

Description: Patent for an "apparatus for kindling fires in locomotives; and it is intended to provide an improved apparatus by which the fires may be rapidly and economically kindled and steam may be gotten up without much of the tedious delay now ordinarily incident to raising steam in a cold locomotive-boiler." (Lines 13-19) Includes instructions and illustrations.
Date: January 21, 1896
Creator: Connor, John T.

Bicycle-Holder.

Description: Patent for a bicycle-holder that holds the bicycle upright. It consists of "a pair of plates clamped upon a portion of the frame of a bicycle, two pairs of ears formed integral with and depending from said plates, one pair of ears being formed convcavo-convex to form a socket between them and constructed with semicircular notches in their lower edges, a rod having a ball or spherical body on its upper end that is located and held for movement in the so formed socket, a lug formed integral with … more
Date: February 11, 1896
Creator: McKanna, John J.

Cotton-Harvester.

Description: Patent for a cotton-harvester meant to pick the ripe cotton but leaves the plants or unripe cotton and to improve the construction of cotton-harvesters.
Date: February 25, 1896
Creator: Pickering, Charles H.

Disk Plow.

Description: Patent for "a new and useful improvement in disk plows, the object being to construct a plow of the kind described in which the resistance encountered by the main cutting or master disk in operation is counteracted by oppositely-disposed disks, one of which acts as a subspoiler, the other as a jointer, making a partial penetration of the land, which is followed by the master-disk in the succeeding furrow." (Lines 24-33) Includes instructions and illustrations.
Date: April 7, 1896
Creator: Stewart, John A.

Speed-Recorder.

Description: Patent for an improvement in speed-recorders or device meant especially for street-cars, meant to protect the streets from reckless driving. The machine punches tape, recording the time the trolly takes to travel each block and how long the trolly takes at each stop.
Date: May 5, 1896
Creator: Spence, James, Jr.
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