UNT Libraries Government Documents Department - 273 Matching Results

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Adding-Machine.

Description: Patent for an inexpensive, simple, easily operated, and improved registering machine that is meant to add numbers without mistakes. It uses revoluble number wheels and a spring-returned shaft among other materials.
Date: March 21, 1893
Creator: Brooks, Augustus J.
Item Type: Refine your search to only Patent

Advertising Device.

Description: Patent for "a simple and inexpensive advertising device adapted to be placed on street corners and other public places and capable of exciting the curiosity and attracting attention, and thereby directing the attention of persons to the advertisement" (lines 11-16).
Date: March 20, 1894
Creator: Attaway, Henry F.
Item Type: Refine your search to only Patent

Agricultural Implement.

Description: Patent for a new and improved sweep. This design consists "in a sweep of a suitable shape and construction having attached to each of its rear corners a vertical bar or wings, which extends parallel to the course of the plow and backward a suitable distance beyond the sweep proper . . . The object of [the] invention is to attach to the rear corners or wings of a sweep bars or runners, which rest upon the ground and steady the sweep and prevent it from wabbling or dodging while in use" (lines 14… more
Date: March 4, 1890
Creator: Cameron, Hugh L.
Item Type: Refine your search to only Patent

Agricultural Implement.

Description: Patent for "agricultural implements to be used for tilling the soil and planting, either separately or at one and the same operation, and has for its object to reduce the expense incurred by the general practice of first preparing the land for planting and subsequently sowing the seed. By this inventions the land can simultaneously prepared and the grain deposited therein." (Lines 8-17) Includes instructions and illustrations.
Date: March 2, 1897
Creator: Dycus, George W.
Item Type: Refine your search to only Patent

Anal Speculum.

Description: Patent for a new and improved anal speculum. This design is "to so construct the several parts that there will be no rough or raised edges to interfere with its insertion in the anal passage; secondly, to so construct [the] improved speculum that it may be readily used as a bi-valve or dilator; thirdly, to form a locking-joint on the meeting edges of the shells forming the speculum, whereby the sections are prevented from overlapping each other to avoid pinching or injury to the walls of the an… more
Date: March 25, 1890
Creator: Shuford, Quincy Adams
Item Type: Refine your search to only Patent

Angle-Cock.

Description: Patent for "a locking device for the train pipe valve or plug, and a connection separate from the train pipe and under the control of the engineer, to manipulate the said locking device and secure the valve or plug in position." (Lines 13-18) Includes instructions and illustrations.
Date: March 19, 1895
Creator: Waldron, William J.
Item Type: Refine your search to only Patent

Animal-Trap.

Description: Patent for an improved animal trap for “catching small animals in a trap which will be ever set and in operative position for catching an animal and which will be automatically reset” (lines 10-13), illustration is included.
Date: March 17, 1891
Creator: Bassinger, Stephen
Item Type: Refine your search to only Patent

Apparatus for Burning Garbage.

Description: Patent for an apparatus for burning garbage that is made up of a roasting chamber, a grate to hold the garbage, two furnaces, a passage for the ashes, a third furnace connected to the passage, flues, a smokestack, non-combustible absorbent material around the flues and beneath the grate, and flues beneath the grate.
Date: March 27, 1894
Creator: Risley, Ward
Item Type: Refine your search to only Patent

Apparatus for Handling Lint-Cotton.

Description: Patent for an apparatus for handling lint-cotton that allows air to move freely without back pressure while putting the fiber into a bat. It has a "trunk into which a series of gins deliver, of a primary condenser having a high surface speed, so that it will rapidly remove the fiber and prevent the bat from building up of such thickness as to check the escape of air, and a second condenser having a slower surface speed and arranged to receive the lint from the first condenser and form it into a… more
Date: March 19, 1895
Creator: Campbell, Douglas M.
Item Type: Refine your search to only Patent

Apparatus for Scouring Water-Ways.

Description: Patent for an improved apparatus for scouring water-ways by using water-discharge pipes and air-discharge pipes arranged at each side of the vessel. When “vessel is slowly moved forward while the water and air forcing pumps are working,..... direct force of the water-jets and air-jets will agitate and scatter and lift the dislodged particles and float them much higher and longer than would be the case were the water-jet pipes alone used.” (Lines 63-75) Illustration is included.
Date: March 31, 1891
Creator: Holden, Elbridge G.
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

Artificial Stone.

Description: Patent for artificial stone made of a special combination of cement that hardens and stays hard under water. It also does not conduct heat.
Date: March 19, 1895
Creator: Power, John H. & Power, Rufus M.
Item Type: Refine your search to only Patent

Automatic Car-Switching System.

Description: Patent for "a system of switching where the cars of a train are pushed up an incline and placed successively on an elevated annular revolving platform, by which they are automatically distributed to their respective receiving-tracks" (lines 9-14).
Date: March 24, 1896
Creator: Lelardoux, Pierre
Item Type: Refine your search to only Patent

Automatic Cotton or Corn Planter.

Description: Patent for an automatic cotton or corn planter that is simple and inexpensive, and is a line of planters that sows in parallel rows that does not need to be guided by hand. The devices are independently adjustable.
Date: March 13, 1894
Creator: Nehrmeyer, Henry
Item Type: Refine your search to only Patent

Axle.

Description: Patent for improvement in axles by using a “combination of a bar, two skeins and means for holding the skeins in place upon the bar,” (lines 17-18) includes illustration.
Date: March 31, 1891
Creator: Stewart, John A.
Item Type: Refine your search to only Patent

Baling-Press.

Description: Patent for an improvement to machinery to wind fibrous materials (e.g., cotton) into cylindrical bales that does not use a core or fixed horizontal rollers.
Date: March 30, 1897
Creator: Ross, William Andrew
Item Type: Refine your search to only Patent

Baling Press.

Description: Patent for a new and improved baling press. This design is "to place two baling-chambers at a suitable angle to each other and to connect both of the followers to the same sweep; to attach each of the filling-doors of the baling-chambers to the sweep, so that when one door closes from its own weight the other will be opened by the movement of the sweep, and to provide each of the filling doors with an automatically-acting bolt mechanism, whereby the movement of the follower bolts the door, so t… more
Date: March 4, 1890
Creator: Spencer, Anderson Hood
Item Type: Refine your search to only Patent
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