UNT Libraries Government Documents Department - 133 Matching Results

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Adding-Machine

Description: Patent for "a simple, cheap, and efficient device of this character which may accomplish with facility and case all the purposes for which it is intended" (lines 13-16).
Date: June 7, 1892
Creator: Wright, Joseph W.
Item Type: Refine your search to only Patent

Apparatus for Protecting Electrical Circuits.

Description: Patent for an apparatus for protecting electrical circuits, and is an improvement on a previous patent (No. 537,932) issued to the inventor. This patent consists of "an electrical circuit, an alarm or indicator, a continuously-operating signal-transmitter at the protected structure operating to affect or influence the alarm or indicator, and a second or duplicate continuously-operating signal-transmitter located at the watchman's station, operating in unison with the first-named signal-transmit… more
Date: January 7, 1896
Creator: Oram, John M.
Item Type: Refine your search to only Patent

Apparatus for Washing and Scrubbing Gas.

Description: Patent for a washer-scrubber that cleans gas from "tarry matter, ammonia, sulphureted hydrogen, carbonic acid and other impurities" (lines 14-16). The machine divides gas into streams, sprays it with washing liquor, spreads it over reticulated and perforated plates.
Date: March 7, 1893
Creator: Fitzgerald, John H.
Item Type: Refine your search to only Patent

Attachment for Cotton Plows.

Description: Patent for a new and improved plow. This design consists, "with the plow-stock provided with a staple near the lower end of the standard, having an opening formed with a series of parallel sides, and a staple on the beam . . . consisting of a series of bails of the fender-plate rigidly secured to the rod, the lower end of said rod being formed in cross-section of a series of parallel sides, said end adapted to fit and be adjusted in said staple, the upper end of the rod being adapted to be adju… more
Date: January 7, 1890
Creator: Collier, Johnathan T.
Item Type: Refine your search to only Patent

Automatic Electric Alarm.

Description: Patent for an inexpensive, simple, and durable automatic electric alarm that allows people in house or hotel rooms, mines, ships, shops, etc. to signal for another person. The alarm is wired to a clock so it can be programmed to go off at a certain time.
Date: January 7, 1896
Creator: Stansel, Thomas J.
Item Type: Refine your search to only Patent

Automatic Electric Alarm.

Description: Patent for an automatic electric alarm meant to be hooked up to an automatic dry-pipe sprinkler system, and protects against fire. The alarm goes off when the air in the sprinkler pipes falls below a predetermined level. This invention also signals an alert when there is a leak in the pipes, and is an improvement on the circuit-wires for similar alarms.
Date: January 7, 1896
Creator: Williams, George Bayley
Item Type: Refine your search to only Patent

Baking, Cooking, and Heating Furnace

Description: Patent for a new and useful improvement in baking, cooking, and heating furnaces. This invention "consists in the mechanism and peculiar arrangements of parts, as illustrated in the accompanying drawings and particularly pointed out in the claims" (line 13-16).
Date: December 7, 1897
Creator: Harry, Owen K.
Item Type: Refine your search to only Patent

Baling-Press.

Description: Patent for a simple and efficient baling-press that has an improved press-box and plunger-operating power. The connections between the power and the plunger will be lighter and the feed-opening of the press-box will be closed automatically. The machine has a continuously-rotating operating wheel that allows for an easier way to engage and disengage the pitman.
Date: April 7, 1896
Creator: Franks, Lewis W.
Item Type: Refine your search to only Patent

Brace for Heel-Sweeps.

Description: Patent for a simple and durable brace for heel-sweeps. The wings of the sweep will not close, and "that portion of the sweep through which the heel-bolt passes will be materially strengthened" (lines 14-16). It also braces sweeps whatever their size, and all the brace's parts are adjustable.
Date: January 7, 1896
Creator: Ferrell, Augustus C. & Hamrick, Thomas J.
Item Type: Refine your search to only Patent

Braiding Attachment for Sewing-Machines.

Description: Patent for an "attachment to the pressure-foot of sewing machines to carry a tinsel or braid in proper position relative to the needle" (lines 15-17) to ensure the tinsel or braid is fully attached to the desired outline on the cloth. Patent includes instructions and illustrations.
Date: September 7, 1897
Creator: Tynes, Minor Eugene.
Item Type: Refine your search to only Patent

Brake-Lever.

Description: Patent for a brake lever that is locked by an arc-shaped ratchet-bar. There is "a pawl loosely mounted on the rear side of said lever and bearing against said side when the brake is set, said pawl being spring-actuated to move parallel with said side and project beyond the same and contact radially with the ratchet-teeth between said yoke" (lines 25-30).
Date: April 7, 1896
Creator: Burkett, Joseph B.
Item Type: Refine your search to only Patent

Burglar-Alarm

Description: Patent for "a very simple and economically-constructed alarm mechanically connected with windows and doors of a house or a room and adapted to be sounded by a raising or opening of the same, and at the same time to strike a light or illuminate the surroundings (lines 10-15).
Date: October 7, 1890
Creator: Canterbury, Crawford R.
Item Type: Refine your search to only Patent

Burial Apparatus.

Description: Patent for certain new and useful improvements in "a burial device adapted particularly for use as a cemetery hearse and also for depositing the casket in the grave" (line 12 - 15).
Date: June 7, 1898
Creator: Thorne, Richard Hamilton
Item Type: Refine your search to only Patent

Car-Coupling

Description: Patent for an improvement in car couplings "whereby the pin-support is operated not by the links but by the impact of the cars themselves and of a yielding link" (lines 55-58).
Date: June 7, 1892
Creator: Young, James D.
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for a car-coupling that has a "hollow draw-head provided with a horizontal chamber, a vertical pin-hole near the forward end of said chamber, and a slot in the lower part of said draw-head opening into said chamber, of a sliding latch mounted in said chamber and provided with a lip projecting beyond the outer end of said latch and curved downward as shown, and with a groove on the lower side of said latch, of a pivoted arm engaging in said groove, and a weight integral with said arm and … more
Date: April 7, 1896
Creator: Barry, Jefferson D.
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for a car coupling that consists of a draw head with two separable jaws, a hand wheel mounted on the car, pitmen connected to the wheel and the jaws, springs pressing the jaws together, and a shaft that has a crank arm.
Date: November 7, 1893
Creator: Cassidy, William A. & McGee, Thomas F.
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination, with the draw-head provided with the hole through its under side and the vertical guide-grooves in its exterior sides, of the stirrup sliding in said grooves and provided with a tongue at its lower and hooks at its upper parts, and a lifting-device—such as a rod or bar—adapted to engage with the upper part of the stirrup for raising it in the said external guide-grooves and causing the said ton… more
Date: January 7, 1890
Creator: Mason, James A.
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "is to make a car-coupler in which the link shall cause the pin to drop within it, which can be coupled or uncoupled from the side or top of cars without danger to the brake[people], and which is provided with means for lifting the link of cars with lower draw-heads" (lines 11-17).
Date: October 7, 1890
Creator: Testard, Adrian
Item Type: Refine your search to only Patent

Chain-Steamer.

Description: Patent for a chain steamer that has an improved means of propulsion with a uniform speed despite a changing current. It does not allow the boat to laterally deflect. It is especially meant to be used with tow boats that travel on fast-moving, shallow streams. It can be used to move ferry boats across fast-moving rivers as well.
Date: February 7, 1893
Creator: Pfeifer, Edmund I. & Pfeifer, Eduard A.
Item Type: Refine your search to only Patent

Clamp or Fastener for Wire Fences.

Description: Patent for a new and improved clamp for wire fences. This design "is to make a device by which the horizontal rails of a wire fence may be conveniently fastened to the vertical stay-wires" (lines 12-15). It "consist[s] of the metallic disk or plate with the curved cross-groove and prongs to hold the horizontal rail and the perpendicular stay-wire, and the key" (lines 69-73).
Date: June 7, 1892
Creator: Rogers, Charles S.
Item Type: Refine your search to only Patent
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