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9 Matching Results
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Gearing
Patent for improvements in gearing, "especially adapted for use in connection with wind mills and other devices" (lines 9-11) including illustrations.
Date:
April 11, 1916
Creator:
Wiggins, Hundley
System:
The Portal to Texas History
Air Pump
Patent for an air pump for the delivery of air to the tire of a wheel.
Date:
April 15, 1913
Creator:
Scott, Charles Mack
System:
The Portal to Texas History
Powder Blower
Patent for a new and improved powder blower used to insert powder medicine into the vagina, including illustrations and instructions.
Date:
April 1, 1913
Creator:
Woodward, Mortimer Lee
System:
The Portal to Texas History
Hasp-Fastener
Patent for a hasp fastener for doors.
Date:
April 16, 1912
Creator:
Matthews, Robert E.
System:
The Portal to Texas History
Reinforcing Metal Yoke for Hollow Concrete Walls
Patent for reinforcing metal yoke for hollow concrete walls. Illustration included.
Date:
April 12, 1910
Creator:
Nelson, William E.
System:
The Portal to Texas History
Equalizing Device for Pump-Rods.
Patent for an improved equalizing device for pump-rods used in hand or windmill pumps that increases the operating efficiency and decreases the manufacture cost of the device.
Date:
April 10, 1906
Creator:
Shipman, John Davis
System:
The Portal to Texas History
Wheel
Patent for a vehicle wheel with a rigid frame and a hub that has radical range of motion.
Date:
April 7, 1903
Creator:
Lasswell, William H.
System:
The Portal to Texas History
Animal-Trap.
Patent for an animal trap meant to trap animals that burrow in the ground, such as prairie dogs. The trap catches the animal when it leaves its den and the animal cannot escape the trap.
Date:
April 25, 1893
Creator:
Manning, James
System:
The Portal to Texas History
Self-Registering Target
Patent for "new and useful improvements in self-registering targets, whereby the shots are plainly indicated, the parts are readily returned to their normal position after the shot is fired, and the whole combining simplicity, cheapness, and durability" (lines 13-18).
Date:
April 17, 1888
Creator:
Wright, Walter K. & Brown, William H.
System:
The Portal to Texas History