Combined Marking-Pot and Brush. (open access)

Combined Marking-Pot and Brush.

Patent for a combined marking-pot and brush where the marking-pot "will effectually support a brush and prevent the handle thereof from dropping down in to the ink or paint contained therein" (lines 13-16). The marking-pot also provides a detachable cover to prevent spilling.
Date: January 29, 1918
Creator: McCombs, Charles C.
System: The Portal to Texas History
Air Intake Device. (open access)

Air Intake Device.

Patent for an air intake device for automobiles and other internal combustion engines. Provides novel and improved heated air supply for carburetors during cold weather. Adjustable to admit unheated air in various proportions according to the air temperature and weather.
Date: January 29, 1918
Creator: Hornburg, C.A.
System: The Portal to Texas History
Blackboard-Cleaner. (open access)

Blackboard-Cleaner.

Patent for a blackboard cleaner that incorporates a "water reservoir having manually controlled means for communicating the water of the reservoir to the rubbing element of the cleaner" (lines 13-17) including an illustration. The rubbing element was also made to be easily removed for replacement or cleaning.
Date: January 29, 1918
Creator: Satrum, Gilbert G.
System: The Portal to Texas History
Activated-Sludge Treatment. (open access)

Activated-Sludge Treatment.

Patent for a method that dehydrates sewage for easier removal.
Date: January 29, 1918
Creator: Moor, William C.
System: The Portal to Texas History
Padlock (open access)

Padlock

Patent for Padlock.
Date: January 29, 1915
Creator: Ryon, Joshua E.
System: The Portal to Texas History
Stalk-Cutter. (open access)

Stalk-Cutter.

Patent for an improved stalk cutter that can be connected with lister beams and thus, able to be connected to the lister to cut the stalks while plowing.
Date: January 29, 1918
Creator: Thompson, Roy De Witt
System: The Portal to Texas History
Mechanical Rectifier. (open access)

Mechanical Rectifier.

Patent for a mechanical rectifier for automobiles. This mechanical rectifier connects with the magneto or generator to turn alternating currents into to direct currents for charging a storage battery while operating the engine.
Date: January 29, 1918
Creator: Winterborne, Arthur William
System: The Portal to Texas History
Hay Press (open access)

Hay Press

Patent for the hay press. The object of this invention is to provide a novel construction for operating the compressing head or plunger of a press, which structure is extremely simple in construction, durable and easy to operate. Illustrations of this invention are provided.
Date: January 29, 1918
Creator: Payne, Alvah
System: The Portal to Texas History
Self-Cleaning Harrow and Cultivator. (open access)

Self-Cleaning Harrow and Cultivator.

Patent for a harrow and cultivator "which is self-cleaning in that, by manipulation of certain mechanism embodied in the machine, the teeth or shovels are caused to rotate about axes, giving up any stalks, grass, or other fibrous matter which may cling to the teeth or shovels impeding the working of the soil" (lines 15-21).
Date: January 29, 1918
Creator: Miner, John C.
System: The Portal to Texas History
Display Rack. (open access)

Display Rack.

Patent for rotary display rack for goods to be readily exhibited.
Date: January 29, 1918
Creator: Koehler, Bert J.
System: The Portal to Texas History