91 Matching Results

Search Results

Results: 1 - 24 next

Telltale Switch

Description: Patent for switch that indicates when a vacuum fails. Used for systems in "which it is desired to keep a ... uniform vacuum such as in fruit dryers, creosoting plants, surgace and jet condensing for steam plants and the like" (lines 21-25).
Date: March 23, 1915
Creator: Howland, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vehicle-Brake.

Description: Patent for vehicle-brake, with description and illustrations.
Date: March 5, 1885
Creator: McIntosh, John L.; Bacon, Edward Hamlin & Vail, Theron
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mail-Bag Catcher and Deliverer.

Description: Patent for "a device capable of catching or transferring mail bags from a mail bag hanger to the mail car while the car is in motion, the device also acting to deliver a mail bag at the same station, if necessary, one operation in no manner interfering with the other." (Lines 8-14) Includes instructions and illustrations.
Date: March 5, 1895
Creator: Sliger, Charles F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Description: Patent for a vehicle wheel with no extra small parts, a tightener that tightens the whole wheel and is easily reached, and constructed in such a manner that it may be easily taken apart and put back together for repair purposes.
Date: March 26, 1907
Creator: Hadley, William Swain
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vapor or Gas Generating Apparatus

Description: Patent for vapor or gas generating apparatus. "This invention relates to an apparatus for generating vapor and gases from the air, earth, wood and other substances, for the treatment of internal and external diseases, the object of the invention being to provide a simple reliable, effective and economical apparatus whereby medical vapors or gases of various kinds may be rapidly and conveniently generated and used in the treatment and cure of various internal and external disorders" (lines 9-19)… more
Date: March 7, 1911
Creator: Norwood, Walter Nathaniel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Piano-Pedal Attachments.

Description: Patent for improved piano-pedal attachments which would help "children who are not able to reach the regular pedals; by hooking the stool to the regular pedal-support and setting the connecting-rods in the little sockets in the piano-pedals." (Lines [9-14]) Illustration is included.
Date: March 14, 1876
Creator: Cheesman, Charles F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Description: Patent for improving a tire by providing new form of tread-holding device and using a resilient metal band encircling the tire.
Date: March 11, 1919
Creator: Allan, William N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ventilator

Description: Patent for low cost, improved ventilators for Pullman and passenger cars and buildings.
Date: March 26, 1918
Creator: Hedges, Robert S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trap

Description: Patent for a trap for catching rats. Illustrations included.
Date: March 21, 1911
Creator: Clark, William Joseph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hub.

Description: Patent for a wheel hub that "provides for preventing circumferential movement of the inner ends of the spokes, for bracing the spoke-engaging spider, and for locking the spoke-tightening device for preventing the accidental loosening thereof." (Lines 13-18) Includes instructions and illustrations.
Date: March 2, 1897
Creator: Millen, George
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Thill-Coupling.

Description: Patent for improvements in thill-couplings by using a combination of forward extension arms, having each near its forward end, circular shoulders, adapted to engage the ends of the shaft-iron; the spring-catch for holding the lever arm in locking position and, for retracting arm when the catch is released. Illustration is included.
Date: March 17, 1891
Creator: Bryan, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Printing Press

Description: Patent for a printing press design that has a "type carrying member" which is a "circular rotary disk," and a "mechanism for elevating the ink supplying rolls and paper carrying platens to permit of the passage of the type therebelow without being affected," (lines 11-12, 23-26) including illustrations.
Date: March 3, 1914
Creator: Sadovsky, Nathan
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut-Cracking Machine.

Description: Patent for an improved nut-cracking machine receiving-hopper and feeding-chute especially for pecans, but effective for any type of nut, "whereby the nuts are caused to assume a certain position to feed one by one in succession to the cracking mechanism and to then enter the cracking mechanisms in the appropriate positions. (p. 1, lines 26 -30). The improved machine also automatically adjusts for different sized nuts, including illustrations.
Date: March 23, 1915
Creator: Gebhardt, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tire Inflating Pump

Description: Patent for improvements for Tire-Inflating Pumps, mainly those adapted for automobiles, including illustrations.
Date: March 28, 1914
Creator: Jobes, William S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spur.

Description: Patent for a spur that can be attached and removed easily from boot heels, with instructions and illustrations.
Date: March 30, 1880
Creator: Tytler, Alexander D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydraulic Air-Compressor.

Description: Patent for an improved hydraulic air compressor: "The principal object of my invention is to provide the cylinder with a pressure and water regulating device" (lines 7-9).
Date: March 1, 1881
Creator: Freeman, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Process of Forming Individual Foot-Forms and Fitting Shoes Thereon.

Description: Patent for the improvement of the process of forming individual foot forms or replicas of a person's specific foot. This alleviates a person having to go through the painful process of breaking in new shoes. The foot forms can then either be kept by the individual or by the shoe dealer for making future foot wear.
Date: March 22, 1921
Creator: Butler, James B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mixer

Description: Patent for an improved mixer for "use in connection with internal combustion engines" (lines 9-10). The invention is designed to simplify and increase the engine's efficiency while also making construction more affordable.
Date: March 26, 1918
Creator: Warren, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen