34 Matching Results

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Nut Lock. (open access)

Nut Lock.

Patent for a new and improved nut lock. This design has, "[i]n combination with a bolt having a cylindrical stem and a head beveled on its inner face, a nut tapped to receive the threaded end of the bolt and prevented from turning" (lines 73-77).
Date: January 31, 1888
Creator: Anderson, Lee
System: The Portal to Texas History
Automatic Damper (open access)

Automatic Damper

Patent for "an attachment for stove-dampers whereby said dampers will be automatically moved, in order that the fire may be maintained at a predetermined heat" (lines 9-13).
Date: January 31, 1888
Creator: Beauchamp, William A. J.
System: The Portal to Texas History
Gate (open access)

Gate

Patent for invention of certain new and useful Improvements in Gates. Relates to the improvements in automatic gates, Including annexed drawing which fully illustrate the invetion (5-10).
Date: January 31, 1893
Creator: Boyd, Alexander
System: The Portal to Texas History
Fuse carrier. (open access)

Fuse carrier.

Patent for a fuse "holder which carries a number of fuses, capable of being brought into proper position to provide a fresh fuse in the event of the burning or blowing out of one of the fuses" (lines 9-13). The carrier inside the holder is removable (line 15); as carried in this holder, the fuses are "held under strong tension," with a mechanism allowing easy retrieval of a "fresh fuse" if necessary (line 18).
Date: January 31, 1922
Creator: Burton, Frank M.
System: The Portal to Texas History
Attachment for Pipes (open access)

Attachment for Pipes

Patent for an attachment for pipes. Illustration included.
Date: January 31, 1911
Creator: Charles, Thomas
System: The Portal to Texas History
Map Hanger (open access)

Map Hanger

Patent for improvements in map hangers. The purpose is to provide a map exhibiting hanger to use in support for a plurality of maps, particularly maps that have information on the back.
Date: January 31, 1922
Creator: Chunn, Richard M.
System: The Portal to Texas History
Stump-Puller. (open access)

Stump-Puller.

Patent for a stump puller with a better grip.
Date: January 31, 1911
Creator: Fairey, Abraham T.
System: The Portal to Texas History
Road-Grader. (open access)

Road-Grader.

Patent for a road grader, which will "excavate a ditch at the side of a road, and distribute the dirt from said ditch at a proper gradient upon the road" (lines 11-14).
Date: January 31, 1911
Creator: Fender, John Brown
System: The Portal to Texas History
Safety-Valve Mechanism for Pneumatic Tires. (open access)

Safety-Valve Mechanism for Pneumatic Tires.

Patent for useful improvements on safety valve mechanism for Pneumatic Tires. This invention constructs a mechanism to control air pressure within the tire in order to prevent bursting from over charging, heating, sudden compression is avoided.
Date: January 31, 1917
Creator: Gebhardt, William C.
System: The Portal to Texas History
Focusing Device for Cameras (open access)

Focusing Device for Cameras

Patent for a focusing device for cameras. "In photographic cameras, the objective lens forms a reduced image which is thrown upon a plate of ground glass through which ground glass the image is observed" (lines 9-13). Illustration included.
Date: January 31, 1911
Creator: Grant, Adolphus S.
System: The Portal to Texas History
Nut-Lock. (open access)

Nut-Lock.

Patent for a nut lock that keeps bolts attached extra tightly.
Date: January 31, 1911
Creator: Greer, Benjamin J.
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design "consists in a lever pivoted in the front of the top of the draw-head and provided at its outer end with an aperture, through which the coupling-pin is passed into the aperture in the draw-head, below which lever another lever is pivoted, hanging vertically across the front-opening of the draw-head, and provided at the upper part of its inner edge with a projection, so that when the coupling-link pushes the lower lever inward the upper lever and the pin are raised, and drop as soon as the link has passed into the draw-head" (lines 10-21).
Date: January 31, 1882
Creator: Griffin, James Lee
System: The Portal to Texas History
Pump (open access)

Pump

Patent for a pump. Illustration included.
Date: January 31, 1905
Creator: Hall, Samuel N.
System: The Portal to Texas History
Pump (open access)

Pump

Patent for a pump. Illustration included.
Date: January 31, 1905
Creator: Hall, Samuel N.
System: The Portal to Texas History
Liquid-Fuel Burner. (open access)

Liquid-Fuel Burner.

Patent for a liquid fuel burner, which will burn semi-refined petroleum efficiently.
Date: January 31, 1911
Creator: Hayden, Jefferson B.
System: The Portal to Texas History
Display Rack (open access)

Display Rack

Patent for a display rack. Illustrations included.
Date: January 31, 1911
Creator: Hendrix, Julius M.
System: The Portal to Texas History
Savings Bank (open access)

Savings Bank

Patent for savings bank for use in the home. Illustration included.
Date: January 31, 1905
Creator: King, John B.
System: The Portal to Texas History
Improvement in Washing-Machines. (open access)

Improvement in Washing-Machines.

Patent for an improvement in washing machines.
Date: January 31, 1871
Creator: Nave, Andrew Jackson
System: The Portal to Texas History
Trace Carrier. (open access)

Trace Carrier.

Patent for improvements to a harness back band buckle and chain carrier, so that "strain is taken off from the center of the buckle, where the ordinary buckles often break" (lines 71-73), including illustrations.
Date: January 31, 1893
Creator: Nichols, Edward A.
System: The Portal to Texas History
Player Piano (open access)

Player Piano

Patent for a new form of valve for mechanical piano operated by pneumatic mechanisms in which the value is self-centering and does away with the guide pin usually employed, and an amplification of the wippen so that the striker rod is placed at the front of the pneumatic mechanism where it is accessible. The change in leverage permits the use of a smaller pneumatic.
Date: January 31, 1922
Creator: Pace, Vara L.
System: The Portal to Texas History
Vehicle Shaft Carrier (open access)

Vehicle Shaft Carrier

Patent for vehicle shaft carrier. Illustration included.
Date: January 31, 1905
Creator: Randall, Osro W.
System: The Portal to Texas History
Pump-Rod-Guide Bearing. (open access)

Pump-Rod-Guide Bearing.

Patent for a pump rod guide bearing that increases durability.
Date: January 31, 1911
Creator: Range, Julius H.
System: The Portal to Texas History
Roller Press (open access)

Roller Press

Patent for a roller press. This invention is designed to form round lap cotton bales. Illustrations included.
Date: January 31, 1911
Creator: Reagan, Edgar U. G.
System: The Portal to Texas History
Well-Drilling Tool. (open access)

Well-Drilling Tool.

Patent for a well-drilling tool adapted for use in a sticky shale or similar formations.
Date: January 31, 1922
Creator: Reed, Clarence E.
System: The Portal to Texas History