5 Matching Results

Results open in a new window/tab.

Pneumatic Knee-Pad. (open access)

Pneumatic Knee-Pad.

Patent for a pneumatic knee-pad, to protect the clothing and relieve pain of workers who kneel for prolonged periods of time.
Date: December 6, 1921
Creator: Shelton, James T.
System: The Portal to Texas History
Fishing Tool (open access)

Fishing Tool

Patent for invention that improves fishing. Not only is the tool used for fishing, it can find and remove objects from the water.
Date: December 6, 1921
Creator: Brown, Charles Henry
System: The Portal to Texas History
Vehicle-Hoist. (open access)

Vehicle-Hoist.

Patent for vehicle hoist that "will be operated automatically by the momentum of the vehicle" (lines 17-19). The hoist is intended to be accessible to all users, professional and layperson, due to its simple design and lower price.
Date: December 6, 1921
Creator: Boutte, John G.
System: The Portal to Texas History
Windmill. (open access)

Windmill.

Patent for a windmill for "connecting or mounting a pump rod and a pitman for transmitting movement from the crank shaft carrying the wheel" (lines 14-16) in a balanced way that will reduce wear and tear. Additionally, other elements attached to the supporting structure will "compensate for the the uneven action due to the variable pull on the pitman and pump rod." (lines 31-33).
Date: December 6, 1921
Creator: Winslett, William Henry
System: The Portal to Texas History
Road Building Machine (open access)

Road Building Machine

Patent for a road building machine comprised of multiple mechanisms including a blast furnace, mixing chambers, and chemical tanks.
Date: December 6, 1921
Creator: Austin, Stephen F.
System: The Portal to Texas History