UNT Libraries Government Documents Department - 33 Matching Results

Search Results

Results: 1 - 24 next

Water-Heater

Description: Patent for a water heater that will heat a large quantity of water in a short amount of time. Cool water is delivered to the bottom of the tank, displacing hot water at the top so the tank is always filled with hot water.
Date: September 14, 1920
Creator: Faust, Louis F.
Item Type: Refine your search to only Patent

Calf Weaner.

Description: Patent for a new and improved device for weaning calves. This design is "to be attached to the central cartilage of the calf's nose . . . with sharp points that come against the cow's bag when the calf attempts to suck; and the invention consists in attaching the parts . . . together like a pivot, forming a part of one of the points and adapting them to be held closed by means of a small screw, whereby the device is rendered very cheap, yet effective and reliable" (lines 15-25).
Date: May 29, 1883
Creator: Geissler, William F.
Item Type: Refine your search to only Patent

Canceling Stamp.

Description: Patent for a new and improved stamp canceler. This design utilizes a washer, flanges, and vertical slots "for the purpose of adjusting the roughened face of the head . . . so that the correct operation of the face is insured" (65-68). This represents an improvement over previous stamp cancelers.
Date: April 19, 1881
Creator: Grothaus, Frederick E.
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 a car-coupling formed of two coupling-hooks pivoted on a pivot projecting from the bottom of the car, which coupling hooks pass through an inverted-V-shaped guide-slot in the guide-plate, held in front of the pivot, and the said coupling-hooks are connected with a vertically-moveable bar for raising the coupling-hooks. The coupling hooks are raised and their free ends are pressed together, and if then the couplin… more
Date: June 24, 1884
Creator: Grothaus, Frederick E.
Item Type: Refine your search to only Patent

Internal-Combustion Engine.

Description: Patent for a new and improved device within internal combustion engines "whereby water is converted into steam, and then delivered into the combustion chamber of an internal combustion engine" (lines 13-16). Includes illustrations.
Date: November 16, 1915
Creator: Harwood, William W.
Item Type: Refine your search to only Patent

Axle Box.

Description: Patent for a new and improved axle-box. This design "relates to that class of axle-boxes in which anti-friction devices are employed for enabling the wheel to revolve on the axle with as little friction and wear as possible. [The] invention consists in providing anti-friction rods or rollers arranged between the axle and the vehicle-hub, and held in place in an improved manner" (lines 8-16).
Date: September 10, 1889
Creator: Hobron, Charles B.
Item Type: Refine your search to only Patent

Neck-Yoke.

Description: Patent for "a safety attachment for neck yokes which, if the neck yoke or the straps which connect it to the pole or to the collars break, will come into action and prevent the pole from dropping" (lines 8-13).
Date: July 24, 1894
Creator: Hobron, Charles B.
Item Type: Refine your search to only Patent

Bag Holder.

Description: Patent for a new and improved bag holder. This design "consists mainly in the combination of certain parts having a capacity for adjustment relatively to the diameter of the bag, with certain parts having a capacity for adjustment relatively to the height of the bag" (lines 17-22).
Date: July 18, 1882
Creator: Holekamp, Julius
Item Type: Refine your search to only Patent

Seed Planter.

Description: Patent for a new and improved seed planter. This design "furnish[es] seed-planters for planting in hills or drills corn, sorghum, beans, rice, cotton, and other seeds, so constructed that the seed may be planted in any desired quantity, and at any desired distance apart, and with the rows at any desired distance apart" (lines 20-26).
Date: January 4, 1881
Creator: Holekamp, Julius
Item Type: Refine your search to only Patent

Seed Planter.

Description: Patent for a new and improved seed planter. This design consists "[i]n a seed planter, [with a] seed-dropping cylinder . . . with a row of recesses around its middle part, and rows of different-sized recesses provided with adjustable gage-screws around its end parts, whereby different-sized seeds can be dropped by the same cylinder" (lines 67-74).
Date: June 14, 1881
Creator: Holekamp, Julius
Item Type: Refine your search to only Patent

Cleaning Implement.

Description: Patent for a cleaning tool for cleaning chicken coops, sidewalk edges, or removing ice, which combines a scraper/digger, broom, and brush and which fits in small spaces.
Date: July 14, 1908
Creator: Kuettner, Max
Item Type: Refine your search to only Patent

Slicer.

Description: Patent for an improved kitchen slicer with "a plurality of parallel blades which are secured to a stock or handle so that the entire cutting edges thereof will be arranged beneath the stock or handle and can be readily used for cutting bread, meats and vegetables" (lines 14-19), with illustrations.
Date: February 16, 1915
Creator: McPherson, Patty
Item Type: Refine your search to only Patent

Tobacco-Pouch.

Description: Patent for a tobacco pouch that will fit easily into pockets and hands while still holding the maximum amount of tobacco. There are also improvements on the ease of getting the tobacco out of the pouch.
Date: August 29, 1916
Creator: Shumard, Malnor A. & Shumard, Malnor A., Jr.
Item Type: Refine your search to only Patent
Back to Top of Screen