494 Matching Results

Search Results

prev Results: 25 - 48 next

Weighing Scale

Description: Patent for weighing scale. Illustration included.
Date: June 7, 1904
Creator: McKee, Clarence W.
Partner: UNT Libraries Government Documents Department

Window Light Regulator

Description: Patent for a window light regulator. The light regulator is designed of two shades. The first shape is dark and the other is transparent. Illustration included.
Date: April 16, 1907
Creator: Alrich, Henry
Partner: UNT Libraries Government Documents Department

Weighing-Scale

Description: Patent for an improved weighing scale that is made in a way that prevents error in weighing objects.
Date: June 27, 1905
Creator: McKee, Clarence W.
Partner: UNT Libraries Government Documents Department

Windmill.

Description: Patent for an improvement to the "construction of windmills and to provide means for varying the stroke of a windmill with the velocity or force of the wind, to increase the length of the stroke as the velocity of the wind increases, and to reduce the length of stroke as the force of the wind abates." (lines 10-16)
Date: November 18, 1902
Creator: Tinney, James R.
Partner: UNT Libraries Government Documents Department

Machine for Shearing or Cutting Metal

Description: Patent for an improved machine that will shear and cut metals.
Date: November 5, 1901
Creator: Crane, Walter E.
Partner: UNT Libraries Government Documents Department

Windmill Tower

Description: Patent for a windmill tower. Illustrations included.
Date: September 10, 1907
Creator: Eubank, Josephus H.
Partner: UNT Libraries Government Documents Department

Lubricating-Packing.

Description: Patent for lubricating packing, which lasts a long time under high pressure.
Date: June 8, 1909
Creator: Stewart, Martin L. & Carr, Frank A.
Partner: UNT Libraries Government Documents Department

Wheel-Bearing.

Description: Patent for a wheel-bearing that reduces friction between the wheel and axle, prevents dust from going inside the bearing, and keeps the bearing wheels in place at the bore of the wheel. The wheel bearing consists of a few parts that can be easily assembled and would rarely need to be repaired. The patent includes illustrations.
Date: August 19, 1913
Creator: Manley, Earl W.
Partner: UNT Libraries Government Documents Department

Vehicle-Signal

Description: Patent for vehicle signal with accompanying illustrations.
Date: October 23, 1917
Creator: Edmond, George Woodbridge
Partner: UNT Libraries Government Documents Department

Lateral-Wear Reducer for Locomotives.

Description: Patent for lateral wear reducer for locomotives that prevent or reduces wear on the train wheels.
Date: March 29, 1921
Creator: Paxton, Thomas
Partner: UNT Libraries Government Documents Department

Water Still

Description: Patent for a water still. Illustration included.
Date: January 29, 1907
Creator: Nenninger, Oscar Alfred
Partner: UNT Libraries Government Documents Department

Windmill.

Description: Patent for a windmill that qualifies as "a substantial and strong machine capable of withstanding the high winds of the Western prairies, which will be at the same time inexpensive and simple in construction, and which will automatically regulate itself in such a manner as to run with a uniform speed in all kinds of winds" (lines 16-22)
Date: August 30, 1892
Creator: Campbell, George W.
Partner: UNT Libraries Government Documents Department

Water Elevator.

Description: Patent for a new and improved water-elevator. This design "has for its object to provide for the escape of the air initially held in the upper bends of the screw, so as to relieve the same of the pneumatic pressure caused thereby in connection with the ascending water, thus causing less resistance to the rotation of the screw, enabling it to be operated by decreased motive power" (lines 11-18).
Date: November 9, 1886
Creator: Campbell, George W.
Partner: UNT Libraries Government Documents Department

Lifting-Jack.

Description: Patent for a simple, strong, and inexpensive lifting-jack used in railroads, mills, and similar things that is "capable of manipulation by a single operator and adapted to elevate loads to various heights according to the size of the structure and support the same at the desired elevation" (lines 12-16).
Date: September 11, 1894
Creator: Foix, Louis
Partner: UNT Libraries Government Documents Department

Lock for Firearms

Description: Patent for a new and useful improvements in locks for firearms. This invention is to "provide a simple and effective lock mechanism for a firearm" (line 15-17).
Date: December 7, 1897
Creator: Oritciiett, James Clyde
Partner: UNT Libraries Government Documents Department

Indicator

Description: Patent for an indicator. This invention is designed for use with phonographs, musicboxes, and like intruments. Illustration included.
Date: December 19, 1905
Creator: Pfleger, Frank Paul
Partner: UNT Libraries Government Documents Department

Internal-Combustion Engine.

Description: Patent for an internal combustion engine for multi-cylinder engines, which has automatically opening valves powered by the exhaust gas.
Date: September 17, 1907
Creator: Thomas, Percy Frank
Partner: UNT Libraries Government Documents Department

Injection Apparatus

Description: Patent for an injection apparatus for use in adding chemicals to water supplies in sinks.
Date: July 5, 1910
Creator: Rodgers, Walter S.
Partner: UNT Libraries Government Documents Department

Letter-Tying Device

Description: Patent for a package tie. Illustrations included.
Date: June 22, 1909
Creator: Greenwood, Bluford Preston
Partner: UNT Libraries Government Documents Department

Liquid-Dispensing Apparatus.

Description: Patent for a coin operated drink machine, which dispenses a set amount of liquid into a cup when a coin is inserted.
Date: August 25, 1908
Creator: Mayo, William C. & Houlehan, John
Partner: UNT Libraries Government Documents Department

Letter-Tying Device

Description: Patent for a package tie. Illustrations included.
Date: January 12, 1909
Creator: Greenwood, Bluford P.
Partner: UNT Libraries Government Documents Department

Lemon-Squeezer.

Description: Patent for a new lemon squeezer design for "table purposes" (line 15) and "to provide a sanitary lemon squeezer" (lines 19-20) including instructions and illustrations.
Date: March 14, 1911
Creator: Carroll, Frank
Partner: UNT Libraries Government Documents Department

Lock-Nut.

Description: Patent for a lock-nut which prevents the nut from accidentally rotating on the bolt, including illustrations. The nut is locked in position when a locking key is introduced to grooves on the lower surface of the nut and the adjacent face of the washer.
Date: February 13, 1906
Creator: Crawford, Hezekiah H.
Partner: UNT Libraries Government Documents Department

Liquid Dispensing Apparatus

Description: Patent for liquid dispensing apparatus. Illustrations included.
Date: November 10, 1908
Creator: Mayo, William C.; Houlehan, John & Briggs, George Edwin
Partner: UNT Libraries Government Documents Department
Back to Top of Screen