Resource Type
States
Results:
1 - 10 of
10
Locking Device for Car-Doors.
Patent for a locking device for a sliding train car capable of locking automatically upon close, including illustrations.
Date:
May 9, 1916
Creator:
Tierney, Henry J.
System:
The Portal to Texas History
Well-Drilling Device.
Patent for well drilling device with new and useful improvements in well-drilling device for simultaneously drilling the main hole and an advance or "rat-tail" hole.
Date:
March 1, 1921
Creator:
Smith, Primus W. & Bookhout, John J.
System:
The Portal to Texas History
Well-Drilling Bit.
Patent for Well-Drilling Bit designed to cut faster, disassemble for easier sharpening, and reduce cost.
Date:
June 20, 1921
Creator:
Smith, Primus W.
System:
The Portal to Texas History
Machine for Assorting, Stacking, and Counting Coins
Patent for a machine which organizes, stacks, counts, and gives the total value of a collection of coins. Illustrations included.
Date:
April 13, 1909
Creator:
Brewster, Bertram Forrest
System:
The Portal to Texas History
Improvements in Ice-Machines
Patent for an improved make and design for ice-machines including instructions for construction and illustrations.
Date:
March 27, 1877
Creator:
Rankin, Thomas L.
System:
The Portal to Texas History
Method of Treating Ores.
Patent for "new and useful Improvements in methods of Treating Ores, of which the following is a specification. The present invention relates to a method of treating ores carrying gold and silver values in any form amenable to cyanid treatment or flotation" (lines 6-12).
Date:
May 8, 1917
Creator:
Friberger, Harry Louis
System:
The Portal to Texas History
Stock-Car
Patent for an improvement on patent no. 326,591 so as "to enable a series of troughs in a stock-car to be extended toward and withdrawn 'from a position in line with the heads of the stock simultaneously; second, to provide for a vibrating water-trough a self-folding end support; third, to provide a car-door for the entrance of the stock which is capable of being folded and will unfold to close the door-opening in line with the inner surface of the car; fourth, to provide a sliding rear support for a folding car-door when closed; fifth, to enable the vibrating stall-partitions to be released from a horizontally-retained position from either side of the car; sixth, to enable one exterior end portion of a stock-car to be folded in line with the end hay-racks; seventh, to combine a folding exterior end portion of a car with the interior hay-rack" (lines 18-36).
Date:
January 6, 1891
Creator:
Stoner, Jacob B.
System:
The Portal to Texas History
Drill-Bit
Patent for new improvement in drill-bits. The object of the invention is to "provide the driller with advanced knowledge of the formation into which he is about to extend his main hole".
Date:
January 11, 1921
Creator:
Smith, Primus W.; Bookhout, John J. & Monce, Edwin W.
System:
The Portal to Texas History
Separable Locking Rack for Driving Mechanism
Patent for separable locking rack for driving mechanism. Illustrations included.
Date:
October 25, 1910
Creator:
Brewster, Bertram F. & Wilson, Walker Scott
System:
The Portal to Texas History
Sash-Fastener.
Patent for new and improved sash-fastener so as to "lock the sash when elevated as well as closed" (line 15 & 16), including illustrations.
Date:
May 6, 1902
Creator:
Neher, John F. & Neher, Noah N.
System:
The Portal to Texas History