12 Matching Results
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12
Air-Compressor.
Patent for a more efficient air compressor with high and low pressure chambers formed of mating sections that can be detached to make repairs to the piston as necessary.
Date:
April 1, 1913
Creator:
Murphy, Edward
System:
The Portal to Texas History
Combination Battery Vault, Cistern, and Semaphore Foundation
Patent for an improvement to combination battery vaults, cisterns and semaphore foundations used in railway signal systems, including illustrations and descriptions.
Date:
April 1, 1913
Creator:
Johnson, John A.
System:
The Portal to Texas History
Cotton Seed Planter.
Patent for "a new and useful edge drop feeder or seeder". (line 14)
Date:
April 1, 1913
Creator:
C. W. Loe; Loe, C. W & Mitchell, T. L.; T. L. Mitchell
System:
The Portal to Texas History
Drill
Patent for a new drill that is used for pipes in wells, including illustrations.
Date:
April 1, 1913
Creator:
O'Brien, Robert P.
System:
The Portal to Texas History
Floor-Sweeping Compound
Patent for an improved floor-sweeping compound which changes the traditional woody filler with a less flammable and more absorbent mineral wool filler.
Date:
April 1, 1913
Creator:
Boddeker, James A. & Stratford, John E.
System:
The Portal to Texas History
Gearing
Patent for gearing for a flying machine. This gearing will allow for two independent drive shafts to work with tow independent engines to allow both engines to connect to either or both draft shafts.
Date:
April 1, 1913
Creator:
Herrmann, Ernst W.
System:
The Portal to Texas History
Horse Detacher
Patent for a new and improved horse detacher which allows the driver to unhitch a horse without exiting the carriage or wagon, including specifications and illustrations.
Date:
April 1, 1913
Creator:
Carter, William Otis
System:
The Portal to Texas History
Powder Blower
Patent for a new and improved powder blower used to insert powder medicine into the vagina, including illustrations and instructions.
Date:
April 1, 1913
Creator:
Woodward, Mortimer Lee
System:
The Portal to Texas History
Puncture-Proof Tire
Patent for improved armor in tires so they do not puncture as quickly or as easily, including illustrations.
Date:
April 1, 1913
Creator:
Hibbs, Cassell De
System:
The Portal to Texas History
Rock-Drill.
Patent for a composite rock drill composed of granular metal or minerals held together in a binder to present sharp points for the efficient drilling of rock and other substances.
Date:
April 1, 1913
Creator:
Blackburn, Julian E.
System:
The Portal to Texas History
Saw Gage and Filing Clamp
Patent for a combined saw gage and clamp which can be "applied to a saw blade to gage the depth of the cut as well as reversed and used as a clamp for the saw blade in setting the teeth" (lines 16-18).
Date:
April 1, 1913
Creator:
Curby, George W.
System:
The Portal to Texas History
Stenographic-Writing Means
Patent for improvements in stenographic-writing (typewriting). The object of the invention being "to provide a keyboard comprising keys to cooperate with suitable printing means, and to so arrange said keys...to facilitate the speed at which the writing can be accomplished" (lines 14-20).
Date:
April 1, 1913
Creator:
Ireland, Ward S.
System:
The Portal to Texas History