10 Matching Results

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Power-Transmitting Mechanism. (open access)

Power-Transmitting Mechanism.

Patent for an improved power-transmitting mechanism for, "bicycles, motorcycles and similar vehicles whereby rotation is transmitted to the driven wheel without the use of chains, belts, gears or analogous elements commonly employed for this purpose" (lines 14-18). The invention will maximize driving power while minimizing energy expenditure (lines 19-24), employ a propelling mechanism, and reduce manufacturing and repair costs.
Date: March 11, 1919
Creator: Grubb, Orin A.
System: The Portal to Texas History
Rifle. (open access)

Rifle.

Patent for a rifle that uses electricity from a battery to ignite the explosive charge for the ammunition.
Date: January 14, 1919
Creator: Brannon, Virgil C.
System: The Portal to Texas History
Gripping Tool (open access)

Gripping Tool

Patent for improvements to gripping tools for tubing and other round objects with illustrations.
Date: September 26, 1919
Creator: Drake, Charles W.
System: The Portal to Texas History
Bevel-Square (open access)

Bevel-Square

Patent for improvements in bevel squares used by carpenters, mechanics, and other similar work to represent the work of multiple bevels at once "to minimize and facilitate operations in fitting the parts of an objective structure together..." (Lines 19-21).
Date: December 9, 1919
Creator: Seay, Mathew E.
System: The Portal to Texas History
Card Holder (open access)

Card Holder

Patent for card holders meant to help better display business cards and other forms of advertisement on surfaces such as windows.
Date: March 4, 1919
Creator: Hill, L. W.
System: The Portal to Texas History
Device for Recovering Tools from Wells. (open access)

Device for Recovering Tools from Wells.

Patent for a device to lift and recover tools, such as drill-bits, that have been dropped or lost in wells. The device features two prongs that may be engaged to grip or secure in a "biting hold" (line 50) various objects, illustrations included.
Date: September 9, 1919
Creator: Scott, Augustus B.
System: The Portal to Texas History
Fuel Rod Coupling (open access)

Fuel Rod Coupling

Patent for a new type of fuel rod coupling, or "sucker rod," meant to increase the durability of pipes and rods used in drilling operations.
Date: June 3, 1919
Creator: Sheldon, W. J. & Allen, C. H.
System: The Portal to Texas History
Well Drilling Apparatus. (open access)

Well Drilling Apparatus.

Patent for an improved well-drilling apparatus. Improvements made to bull wheel shaft and the sand reel and casing line shaft so they may be operated independently of each other while utilizing the same source of power.
Date: January 14, 1919
Creator: Thorniley, Clarence W. & Thorniley, Charles, D.
System: The Portal to Texas History
Motor Starter (open access)

Motor Starter

Patent for a new motor starter design.
Date: January 7, 1919
Creator: Maha, Irwin J.
System: The Portal to Texas History
Sack-Protector. (open access)

Sack-Protector.

Patent for an improvement to sacks, as used in picking berries, to protect the bag from deterioration caused by dragging of the sack on the ground.
Date: March 4, 1919
Creator: Roer, William A.
System: The Portal to Texas History