Resource Type

Wrench. (open access)

Wrench.

Patent for a wrench specifically made to remove well drill bits from the drill.
Date: April 13, 1920
Creator: Stover, Willard L.
System: The Portal to Texas History
Lens-Holder. (open access)

Lens-Holder.

Patent for a lens holder meant to provide a "simple, relatively inexpensive and efficient means" (line 10) of securing the lens in the headlamps of an automobile or similar lamp casing.
Date: April 13, 1920
Creator: Marshall, Stanley G.
System: The Portal to Texas History
Windmill-Gearing (open access)

Windmill-Gearing

Patent for improved windmill gearing, intended to reduce stain on the machinery
Date: April 13, 1920
Creator: Roberts, George W.
System: The Portal to Texas History
Well-Packer. (open access)

Well-Packer.

Patent for an improved well drilling device called a "packer", in which this version has a reduced likelihood of the seals between separate parts being damaged and needing replacement.
Date: April 13, 1920
Creator: Fletcher, Harold W.
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for a pump specifically designed for oil wells to make drilling oil more efficient, lucrative, and easier to perform.
Date: April 13, 1920
Creator: Carden, David A.
System: The Portal to Texas History
Testing Device. (open access)

Testing Device.

Patent for a testing device that can be used to test the condition of the pistons in an internal combustion motor. The device can also be used as an "air pump, or grease or oil gun." (lines 30-31).
Date: April 13, 1920
Creator: Harpst, Frederick E.
System: The Portal to Texas History
Cotton-Chopping Machine (open access)

Cotton-Chopping Machine

Patent for a cotton "wheeled cultivator" (line 14-15) attachment which allows users to make adjustments to the cultivator blades, including illustrations.
Date: April 13, 1920
Creator: Sims, James G.
System: The Portal to Texas History
Ant-Trap (open access)

Ant-Trap

Patent for a trap for ants and other burrowing insects which works at the site of the ant-hill or burrow.
Date: April 13, 1915
Creator: Cox, Samuel L.
System: The Portal to Texas History
Plate Retaining Device (open access)

Plate Retaining Device

Patent for a license plate holder for automobiles.
Date: April 13, 1915
Creator: Stafford, Frederick
System: The Portal to Texas History
Car-Replacer (open access)

Car-Replacer

Patent for improved replacers for derailed railroad cars, complete with illustrations.
Date: April 13, 1915
Creator: Duval, Allen
System: The Portal to Texas History
Attachment for Mowers (open access)

Attachment for Mowers

Patent for a dividing and feeding mower attachment to guide grain into the cutters of the mowers in an upright position.
Date: April 13, 1915
Creator: Mosely, Jimmie E.
System: The Portal to Texas History
Vise and Saw-Clamp (open access)

Vise and Saw-Clamp

Patent for improvements to vise and saw clamps complete with illustration.
Date: April 13, 1915
Creator: King, William T.
System: The Portal to Texas History
Stalk-Cutter (open access)

Stalk-Cutter

Patent for an improved stalk cutter that are in connection with plows and other similar machinery to improve their efficiency.
Date: April 13, 1915
Creator: Currie, Joseph S.
System: The Portal to Texas History
Hinged Connection (open access)

Hinged Connection

Patent for a simply designed, durable, and inexpensively produced hinged connection between any swinging item (i.e., door) and non-swinging item (i.e., door jam).
Date: April 13, 1915
Creator: Coleman, Paul H.
System: The Portal to Texas History
Soldering-Iron (open access)

Soldering-Iron

Patent for a soldering-iron, which is used to feed a "molten solder directly to the point of the iron," and to keep the flow steady.
Date: April 13, 1915
Creator: Rodger, Don E.
System: The Portal to Texas History
Engine-Starting Device (open access)

Engine-Starting Device

Patent for engine starting device to prevent back-fires when cranking, complete with illustrations.
Date: April 13, 1915
Creator: Kneezell, Edward
System: The Portal to Texas History
Self-Soaping Washboard. (open access)

Self-Soaping Washboard.

Patent for self-soaping washboards to reduce the amount of soap wasted.
Date: April 13, 1915
Creator: Kennedy, William J.
System: The Portal to Texas History
Flushing Device (open access)

Flushing Device

Patent for a flushing mechanism for water-closets (toilets) which operates in concert with the lifting and lowering of the seat.
Date: April 13, 1915
Creator: Kreter, Otto F. W.
System: The Portal to Texas History
Farm-Gate (open access)

Farm-Gate

Patent for a farm gate that is easy to manufacture and assemble.
Date: April 13, 1915
Creator: Cardwell, Charles E. & Jenkins, R. E. Lee
System: The Portal to Texas History
Piano-Action (open access)

Piano-Action

Patent for a "piano-action," which is used to control the rebound of the hammer and also includes a back stop, back check, bridle check and other supporting members.
Date: April 13, 1915
Creator: Mayor, Enoch A.
System: The Portal to Texas History
Rotary Attachment (open access)

Rotary Attachment

Patent for an attachment for rotary well drilling machinery meant to "provide means for automatically gripping a pipe when being raised to prevent such pipe from slipping back while the lifting tools are being lowered for such lifting" (lines 13-17)
Date: April 13, 1915
Creator: Johnston, Horace G.
System: The Portal to Texas History
Cotton-Picking Machine (open access)

Cotton-Picking Machine

Patent for improvements to a cotton picking machine complete with illustrations
Date: April 13, 1915
Creator: Meier, John
System: The Portal to Texas History
Cotton-Chopper (open access)

Cotton-Chopper

Patent for improvements to cotton-choppers inculding illustrations.
Date: April 13, 1915
Creator: Hamilton, Robert
System: The Portal to Texas History
Garbage-Can (open access)

Garbage-Can

Patent for a garbage receptacle, water proof in nature, to be used in outside places. A removable container allows for the prevention of tampering and a foot operated mechanism allows it to be efficient to utilize.
Date: April 13, 1915
Creator: Jones, John A.
System: The Portal to Texas History