8 Matching Results

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Saw-Filing Machine (open access)

Saw-Filing Machine

Patent for a Saw-Filing Machine. "This invention relates to saw-filing machines; and the object of the invention is to provide a simple and effective device of this character which is adapted to sharpen with accuracy and rapidity the teeth of different kinds of saws." (lines 8-13) including illustrations.
Date: August 25, 1903
Creator: Smith, John D.
System: The Portal to Texas History
Fireproof Flue. (open access)

Fireproof Flue.

Patent for a fireproof flue that prevents the roof from being burned, where the stovepipe goes through the roof.
Date: April 25, 1911
Creator: Davis, George W. & Shipman, Abraham T.
System: The Portal to Texas History
Safety-Razor. (open access)

Safety-Razor.

Patent for a safety razor with innovations for effective use, convenient features (including for beard combing), and thorough cleaning of all components. Notable is a spring action mechanism controlled by the user's thumb, which causes the blade to move back and forth "to carry out a satisfactory cutting action" (lines 45-46).
Date: October 25, 1921
Creator: Catron, John J.
System: The Portal to Texas History
Improvement in Running-Gears for Vehicles. (open access)

Improvement in Running-Gears for Vehicles.

Patent for vehicle running gear improvements consisting of two piece head-block, central eye, groove for king bolt, and wrought-iron brackets for parts.
Date: February 25, 1873
Creator: Meddows, Isaac O.
System: The Portal to Texas History
Improvement in Horse-Power Presses. (open access)

Improvement in Horse-Power Presses.

Patent for improved horse-powered press; it "relates to horse or other power presses for cotton, hay, and other compressible materials; and the nature of my invention consists in a reversible stay-brace; in a series of sliding plates, which fill the space between the main standards; in an arm hung to each one of the side doors, regulating the opening of such doors; and in auxiliary devices" (para. 3).
Date: July 25, 1876
Creator: Sims, Zachariah B.
System: The Portal to Texas History
Speculum (open access)

Speculum

Patent for an improved version of the speculum, a gynecological instrument, including illustrations.
Date: September 25, 1900
Creator: Morrow, John W.
System: The Portal to Texas History
Rail-Joint. (open access)

Rail-Joint.

Patent for the improvement of railroad constructions by means of using a fishplate that provides an effective connection between two rail bars and secures the accuracy in lining the bars up.
Date: August 25, 1903
Creator: Starkey, Ollie B.
System: The Portal to Texas History
Plow. (open access)

Plow.

Patent for a new and improved plow. This design is "to provide a [sweep-]plow . . . [that] is extremely light in draft, may be run deep or shallow, and will plow or cut its entire width at all times and without turning the ground" (lines 9-14). It consists, "with the plow-standard provided at opposite sides with adjustable brackets, of a triangular-shaped convexed sweep bolted to the brackets and having the angles of its base in the same plane with the apex or point and its rear edge disposed at a right angle to the beam, and opposite triangular wings" (lines 3-10).
Date: November 25, 1890
Creator: Marley, James D.
System: The Portal to Texas History