UNT Libraries Government Documents Department - 147 Matching Results

Search Results

Results: 1 - 24 next

Annuciator

Description: 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 & Briggs, George E.
Item Type: Refine your search to only Patent

Aparejo

Description: 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: Refine your search to only Patent

Apparatus for Sizing Ores or for Other Uses

Description: Patent for an apparatus for sizing ores. This invention is to "accomplish and accurate or approximately accurate sizing or classification of ores or granular materials in a rapid and thorough manner and with as large a capacity as possible" (line 15-19) illustrations included.
Date: June 23, 1903
Creator: Swain, Seth Russell
Item Type: Refine your search to only Patent

Attachment for Thimbles.

Description: Patent for invention for the improvement of attachments for thimbles. "The objects of the invention are to produce a device of simple construction for cutting the thread when sewing that can be readily applied to old as well as to new thimbles; also to produce the device in such manner that the thread can be quickly and conveniently cut at any desired point in an expeditious manner " (lines 17-24). Includes specifications and illustrations.
Date: May 1, 1900
Creator: Brown, Archie Edwards
Item Type: Refine your search to only Patent

Automatic Air-Brake Coupling.

Description: Patent for "a new and useful improvements in automatic air-brake couplers to enable others skilled in the art to make and use the same, the invention also relates to improvements in automatic air-brake couplings in cars". (lines 5-10) including instructions and illustrations.
Date: July 17, 1900
Creator: Cary, Lewis C.
Item Type: Refine your search to only Patent

Automatic Multiple Fuse Block

Description: 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: Refine your search to only Patent

Bridle-Rod for Railroad Rails

Description: Patent for a system of attaching railroad rails when the rails are first placed. This device is used to keep the rails a precise distance apart before the railroad spikes are placed into the ground holding the rails firmly in place.
Date: February 10, 1903
Creator: Johnson, John
Item Type: Refine your search to only Patent

Car-truck.

Description: Patent for trucks for railway-cars "of simple and durable construction the parts of which are connected together without the use of bolts" (lines 10-12).
Date: February 26, 1901
Creator: Rouy, Gustave
Item Type: Refine your search to only Patent

Car-Wheel

Description: Patent for a car wheel made to ease turning on rounding corners and to prevent slipping due to differences in wheel sizes.
Date: February 18, 1908
Creator: Mayo, William C. & Houlehan, John
Item Type: Refine your search to only Patent

Carrier for Game

Description: Patent for new and improved carrier for game. "The purpose of the invention is to provide a very light, simple, durable, economic, and effective device for carrying game adapted to be worn across the shoulder and which is held in place simply by the weight of the load". (lines 8-13). Includes description, instructions, and illustrations.
Date: March 7, 1906
Creator: Paul, James Mount
Item Type: Refine your search to only Patent
Back to Top of Screen