UNT Libraries Government Documents Department - 298 Matching Results

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Abstract-Book for County Records, &c.

Patent for a "book leaf or page for abstracting county and like records" (lines 12-14) with illustrations included.

Date: February 3, 1903

Creator: Lutz, John E.

Item Type: Patent

Acetylene-Gas Generator.

Patent for certain new and useful improvement sin acetylene gas generators, including instructions and illustrations.

Date: February 20, 1900

Creator: Pitts, William Wirt

Item Type: Patent

Acetylene Gas Generator

Patent for acetylene gas generator. Illustration included.

Date: February 28, 1905

Creator: Gribble, William A.

Item Type: Patent

Acetylene-Gas Lamp.

Patent for certain new and useful improvements in acetylene gas lamps, including instructions and illustrations.

Date: February 20, 1900

Creator: Josserand, Peter

Item Type: Patent

Adjustable Handle for Sweep-Stocks and the Like

Patent for adjustable handles for sweep stocks, plows, cultivators, and related equipment.

Date: February 26, 1907

Creator: Hoerhold, Theodore

Item Type: Patent

Advertising Street Car Sign

Patent for an advertisement sign located on the top of street cars. Illustration included.

Date: February 11, 1908

Creator: King, Alphonse

Item Type: Patent

Air-Brake, Lighting, and Signaling System for Railway-Trains

Patent for an electrical system which provides air brake, lighting, and signaling mechanisms for trains. Illustrations included.

Date: February 18, 1908

Creator: Mayo, William C. & Houlehan, John

Item Type: Patent

Air-Valve Cage for Air-Brake Pumps

Patent for an air valve cage for air brake pumps which reduces the wear on the air brake pump and substantially reduces the maintenance costs of the system.

Date: February 16, 1909

Creator: Mattingly, James

Item Type: Patent

Animal-Poke.

Patent for a device that prevents animals such as cows from tearing down fences.

Date: February 12, 1901

Creator: Specht, Wilhelm & Tieken, Dietrich

Item Type: Patent

Patent for an annunciator. "This invention is designed for use in connection with a complete traction system" (lines 13-14). The design drives instruments via a train air system so that air pressure is constantly maintained. Illustrations included.

Date: February 18, 1908

Creator: Mayo, William C. & Houlehan, John

Item Type: Patent

Aparejo

Patent for more efficient and durable pack-saddle (aparejo) used by United States Army. Casing involves hollow boot-sticks and rubber-encased steel, with better fitting to prevent fatigue of animal.

Date: February 11, 1902

Creator: Keller, John & Titsworth, Richard

Item Type: Patent

Apparatus for Bleaching Cotton

Patent for an apparatus for treating lint cotton as it passes from the gin for bleaching. Illustration included.

Date: February 25, 1908

Creator: Brennan, John B.

Item Type: Patent

Apparatus for Cleaning Bottoms of Ships.

Patent for apparatus for cleaning the bottom of ships "to provide a simple and practical apparatus for removing barnacles, seaweed, mud, and other adhesions from the sides and bottom of a ship" (line 10).

Date: February 11, 1902

Creator: Culpepper, Robert Smith

Item Type: Patent

Arc-Lamp Headlight

Patent for an electric arc headlight for trains, cars, or boats which produces a steady light and lasts long enough to allow travel over long distances.

Date: February 2, 1909

Creator: Lacy, Benjamin B.

Item Type: Patent

Automatic Fire Alarm

Patent for an automatic fire alarm. Illustration included.

Date: February 27, 1906

Creator: Suttle, Willis A.

Item Type: Patent

Automatic Fish-Hook

Patent for a fish hook designed to catch the fish by its head when it takes the bait. Illustrations included.

Date: February 9, 1909

Creator: Timmons, Benjamin

Item Type: Patent

Automatic Multiple Fuse Block

Patent for an automatic multiple fuse block. This invention is "provided a normally inactive shunt circuit through which, when a fuse is blown, the current is diverted to an electro-mechanical means which, when the rush of current causing the fuse to blow" (16-21). Illustration included.

Date: February 18, 1908

Creator: Mayo, William C.; Houlehan, John & Briggs, George E.

Item Type: Patent