3,366 Matching Results

Search Results

Advanced search parameters have been applied.

Automatic Railroad or Farm Gate.

Description: Patent for an improved automatic railroad or farm gate that uses the "weight of the car or wagon upon an operating-board and automatically close[s] after the train has passed, and which can also be opened by hand when it is desired to let a single person pass through, either upon foot or horseback" (lines 20-25).
Date: October 4, 1892
Creator: Benson, Joseph Robinson
Partner: UNT Libraries Government Documents Department

Automatic Recording Apparatus for Vehicles.

Description: Patent for an improved automatic passenger register and mileage recorder for vehicles that travel on rails. It consists of a roller that is actives by a time motor, a strip that the roller moves, a pressure roller, a pair of rollers that a record sheet is wound between, a mechanism that controls movements of the pair of rollers, electromagnets that are connected to the seats, armature levers that mark the electromagnets current, a bell crank lever that marks the moving record sheet, and a sprin… more
Date: October 10, 1893
Creator: Baade, John
Partner: UNT Libraries Government Documents Department

Automatic Telephone-Exchange System.

Description: Patent for "a simple system and arrangement which is especially adapted for a telephone exchange, which enables the instruments to be connected by a single wire, which dispenses with the use of an operator at the central station, which has automatic means for registering the messages sent by each subscriber, and which is provided with an automatic switching device by means of which one subscriber may connect with any other" (lines 10-19).
Date: December 5, 1893
Creator: Serdinko, John
Partner: UNT Libraries Government Documents Department

Switch-Stand.

Description: Patent for a switch-stand for railroads with a vertically movable crank bar that is easily locked into position and a cam lever. The invention is operated more easily than other switch-stands.
Date: September 4, 1894
Creator: Driever, Benjiman F. & Mixon, James W.
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

Signal-Lantern.

Description: Patent for a gas-burner signal lantern, instead of an oil-burner signal lantern, that indicates whether or not the track is all clear of trains; includes instructions and illustrations.
Date: May 6, 1902
Creator: Ruebel, C. A. Ernst
Partner: UNT Libraries Government Documents Department

Motor Car Traffic System

Description: Patent for motor car traffic system. "This invention has reference to improvements in motor car traffic systems, and its object is to provide a means whereby motor cars may be constrained to move in a predetermined path without the violation of the chauffeur, so that motor cars may be adapted for use in suburban traffic in place of the ordinary trolley cars." (lines 8-15). Illustration included
Date: May 21, 1907
Creator: Yates, Robert T.
Partner: UNT Libraries Government Documents Department

Switch-Stand.

Description: Patent for switch stands improvement with the inclusion of a signal to notify the user when the switch operating mechanism is on (danger) or off (safety).
Date: December 8, 1914
Creator: Philips, Smith F.
Partner: UNT Libraries Government Documents Department

Wind-Shield Protector.

Description: Patent for windshield protector to "protect people from the danger of broken glass from the wind-shields of automobiles ... and will also prevent people from being thrown against such constructions as wind-shields." (lines 11-17)
Date: June 13, 1916
Creator: Uttz, William A.
Partner: UNT Libraries Government Documents Department

Traffic-Signal.

Description: Patent for a traffic signal apparatus for installation in automobiles, including illustrations.
Date: August 21, 1917
Creator: Valdes, Salvador M.
Partner: UNT Libraries Government Documents Department

Railway Frog

Description: Patent for railway frog which "will tend to minimize the danger of train derailment at switch crossings" (lines 12-13).
Date: July 30, 1918
Creator: Jackson, George Ferris
Partner: UNT Libraries Government Documents Department

Head or Tail Light for Automobiles.

Description: Patent for head or tail light for automobiles with adaptations of optical signaling and lighting devices used to make the vehicle and its intended change of drive direction and other traffic signals visible at night. This design also includes indicia, or specific distinguishing marks noting right and left turns.
Date: June 3, 1919
Creator: Heartsill, Isaac Newton.
Partner: UNT Libraries Government Documents Department

Tail-End Light for Automobiles.

Description: Patent for a tail-end light for automobiles, subway and surface trains, and other motor propelled vehicles which changes color to indicate the speed at which the conveyance is traveling.
Date: July 29, 1919
Creator: Green, John Richard
Partner: UNT Libraries Government Documents Department

Traffic-Signal.

Description: Patent for a traffic signal designed especially for use while attached to an automobile, illustrations included. The device is intended to indicate the direction of proposed turning and travel of the vehicle via controls that are convenient to the vehicle operator.
Date: December 9, 1919
Creator: Wilke, Edward V.
Partner: UNT Libraries Government Documents Department

Railroad-Switch

Description: Patent for a railroad switch that is easier to use and more effective than the "common stub switch" (lines 10-11), thereby reducing damage.
Date: December 16, 1919
Creator: Cuellar, Samuel D.
Partner: UNT Libraries Government Documents Department

Traffic-Signal.

Description: Patent for a traffic signal that provides a way for automobiles to notify other vehicles that the operator is about to make a turn or bring his vehicle a stop, with illustrations.
Date: December 23, 1919
Creator: Tillery, John F.
Partner: UNT Libraries Government Documents Department

Signal.

Description: Patent for a signal to be placed on the fender of a motor vehicle to indicate to other drivers the intended direction the vehicle is going.
Date: July 20, 1920
Creator: Cochran, Carl T.
Partner: UNT Libraries Government Documents Department

Street-Traffic Signal

Description: Patent for a street traffic signal that can be operated from either the center of the intersection, or the curb.
Date: September 28, 1920
Creator: Miller, Thomas O.
Partner: UNT Libraries Government Documents Department

Traffic Signal System

Description: Patent for a Traffic Signal System for universal traffic management, i.e. automobiles, pedestrians, railway, street car, etc. The system has a warning signal to indicate danger and designate a safety zone. This system provides an audible as well as visual signal.
Date: July 21, 1921
Creator: Wetter, R.E.
Partner: UNT Libraries Government Documents Department

Signal for Vehicles.

Description: Patent for a signal designed to be carried on the rear end of a motor vehicle for the purpose of indicating whether the vehicle intends to turn to the right or to the left, operated by the driver in advance.
Date: September 13, 1921
Creator: Mckesky, Walter W.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen