21 Matching Results

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Apparatus for Testing Errors of Refraction (open access)

Apparatus for Testing Errors of Refraction

Patent for an eye testing device that has a movable lens, a measuring device for correction, and two different cards with test type on them which are fed into the machine during testing for astigmatism and myopia, presbyopia, and hyperopia to determine the level of correction needed in glasses.
Date: July 2, 1907
Creator: Bahn, Gustavus Adolphus
System: The Portal to Texas History
Clipping and Pruning Shears. (open access)

Clipping and Pruning Shears.

Patent for clipping and pruning shears that can have the blades taken off for sharpening.
Date: May 2, 1911
Creator: South, John P.
System: The Portal to Texas History
Apparatus for the Manufacture of Ice. (open access)

Apparatus for the Manufacture of Ice.

Patent for a new and improved ice maker. This design calls for "two or more sheets of galvanized iron or other metal set in a tank of fresh water, one on either side of the evaporation-pipes, and held in a position parallel to each other by anchors or yokes that connect them" (lines 15-20). This eliminates the need for strong (ammoniacal) brine and is a faster, more reliable, and less leaky ice-making process than previous ones that used said brine.
Date: March 2, 1880
Creator: Zilker, Andrew J.
System: The Portal to Texas History
Airship. (open access)

Airship.

Patent for an airship with multiple gas bags inside an outer enclosing casing, which maintain the buoyancy of the airship in case one or more of the smaller bags should rupture. This airship also supports one or more persons other than the pilot, has an "envelop adapted to serve as a parachute in the event of danger", and can "alight upon and rise from the surface of a body of water".
Date: July 2, 1918
Creator: Richmond, George E.
System: The Portal to Texas History
Door Attachment. (open access)

Door Attachment.

Patent for a weather strip attachment for doors which would automatically extend from the bottom of the door to the floor when the door is in the closed position and retract to the bottom edge of the door when the door is opened.
Date: August 2, 1921
Creator: Swenson, Frank O.
System: The Portal to Texas History
Tuck Creasing and Marking Attachment for Sewing Machines. (open access)

Tuck Creasing and Marking Attachment for Sewing Machines.

Patent for a new and improved tuck creasing and marking attachment for sewing machines. This design "is to provide a simple and effective tuck creaser or marker to be operated directly by the needle-bar of a sewing machine; and it consists, essentially, of a creaser and an arm attached to the needle-bar and carrying an indent-piece, which strikes the creaser to mark or crimp the tuck. The creaser is formed upon a slide adjustable upon a graduated plate or bar attached to the plate of the sewing machine" (lines 15-24).
Date: April 2, 1889
Creator: Crawford, Alice Ann
System: The Portal to Texas History
Ironing Board. (open access)

Ironing Board.

Patent for a new and improved ironing-board. This design "is to provide a simple and inexpensive ironing-table adapted to be readily attached to the edge of a table or to a cleat on the wall and capable of being adjusted vertically to accommodate itself to the height of the table or other support" (lines 10-15). It consists in "[a]n ironing-table comprising an ironing-board provided at its rear end with parallel slots . . . the ribs secured to the lower face of the ironing-board and forming grooves or ways, a prop or leg composed of parallel bars adapted to fold in said grooves or ways" (lines 68-73).
Date: August 2, 1892
Creator: Chapin, Frederick N.
System: The Portal to Texas History
Machine for Making Tamales (open access)

Machine for Making Tamales

Patent for a Machine for Making Tamales
Date: July 2, 1918
Creator: Winfrey, Herbert O.
System: The Portal to Texas History
Improvement in Ironing-Tables. (open access)

Improvement in Ironing-Tables.

Patent for ironing tables in use with ironing machines. Consist of adjustable frame for stretching and holding garments for ironing.
Date: April 2, 1878
Creator: Becker, Rudolph
System: The Portal to Texas History
Vessel-Propelling Device (open access)

Vessel-Propelling Device

Patent for a novel form of propeller in which a current of air or other fluid is forced under pressure through a port in the stern of the vessel causing propulsion.
Date: January 2, 1906
Creator: Carlson, Peet
System: The Portal to Texas History
Mold. (open access)

Mold.

Patent for an inexpensive and simple mold with few parts and can separate easily. It is designed specifically to make semicircles and rectangular shapes, of concrete or earthenware. The mold also can be held together simply and inexpensively.
Date: February 2, 1897
Creator: Parker, William Sink
System: The Portal to Texas History
Hunting or Shooting Garment. (open access)

Hunting or Shooting Garment.

Patent for a coat for use while using firearms that has pads built into the shoulders to absorb the impact of the recoil of the gun and protect the shoulders from rubbing while carrying the gun.
Date: April 2, 1907
Creator: Petmecky, Fred
System: The Portal to Texas History
Separable Button or Stud. (open access)

Separable Button or Stud.

Patent for invention that relates to seperable buttons or studs - such as collar and cuff buttons, shirt-studs and the like of that which the article comprises a back or base portion provided with a stem or coupling member and a head provided the means to coact therewith,... (Vrendendurgh, 1902).
Date: September 2, 1902
Creator: Vrendenburgh, J. L.
System: The Portal to Texas History
Fare Box. (open access)

Fare Box.

Patent for a new and improved fare-box. This design consists in a "cylinder provided with a longitudinal slot more than half the diameter of said cylinder in depth, and weighed by means of a rotary weight secured to the shaft which forms the axis, to return said cylinder and keep it to normal position with the mouth of the slot downward, of the inclined parallel plates located, respectively, above and below said cylinder, and means for operating said cylinder composed of segment, arm, and toothed wheel secured to the shaft of said cylinder" (lines 110-122).
Date: November 2, 1886
Creator: Greer, John William
System: The Portal to Texas History
Fan Attachment. (open access)

Fan Attachment.

Patent for a new and improved fan attachment. This design consists in "[t]he combination, with the sewing-machine table and the upright of the fan-supporting frame, of the triangular base provided with a rubber-covered base hinged to a sleeve adjustably fitted upon said upright" (lines 111-115).
Date: July 2, 1889
Creator: McComas, Arthur W.
System: The Portal to Texas History
Sewage System for Trains. (open access)

Sewage System for Trains.

Patent for a sewing system on trains or vehicles which will allow then to have working water-closets.
Date: January 2, 1906
Creator: Mettenheimer, John Henry.
System: The Portal to Texas History
Harness and Saddle. (open access)

Harness and Saddle.

Patent for a saddle and harness in which "several parts are united in a secure but detachable manner and which possesses certain other advantages" (lines 27-31).
Date: March 2, 1897
Creator: Vogtsberger, Emil
System: The Portal to Texas History
Pinless Clothes-Line. (open access)

Pinless Clothes-Line.

Patent for "pinless clothes-lines consisting of a series of wire sections connected loosely together at their adjacent ends by means of rings or links, each section having formed on its ends suitable spring-clamps to engage the articles of apparel hung on the line." (Lines 18-24) Includes instructions and illustrations.
Date: June 2, 1896
Creator: Sterzing, Fred
System: The Portal to Texas History
Draft-Rigging for Railway-Cars. (open access)

Draft-Rigging for Railway-Cars.

Patent for a draft-rigging for railway-cars that consists of a metal plate in an inverted U-shape, with its legs doubled upward and attached to the middle sills of the car, and the option of attaching a coupler to the plate. The plate legs can receive a king bolt ransom.
Date: July 2, 1895
Creator: Roosevelt, James A.
System: The Portal to Texas History
Door-Check. (open access)

Door-Check.

Patent for an improvement on door-stops meant to "check the door at any point in its traverse and at the same time serve as a door fastening and stop" (lines 14-16). It is hand adjustable operating-rod.
Date: June 2, 1896
Creator: Campbell, Thomas Jefferson
System: The Portal to Texas History
Dental Implement (open access)

Dental Implement

Patent for a dental implement that features a tool useful for dentists when filling teeth and also is adapted to contain filling material for instant availability and use during dental procedures.
Date: December 2, 1919
Creator: Edwards, Walker A., Jr.
System: The Portal to Texas History