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874 Matching Results
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General-Delivery Post-Office Cabinet.
Patent for a postal mail cabinet in which the arrangement of the compartments can be adjusted and allow for consideration of both the surname and given name of the recipient.
Date:
August 31, 1920
Creator:
Conine, James B.
System:
The Portal to Texas History
Tire-Casing.
Patent for a new type of puncture-proof tire casing.
Date:
August 31, 1920
Creator:
Anderson, Arthur V. & Morgan, Alfred M.
System:
The Portal to Texas History
Apparatus For Protecting And Preserving Poles And The Like
Patent for add-on device to shield existing electric posts and poles from decay over time and weather damage.
Date:
September 21, 1920
Creator:
Lewis, Thomas E.
System:
The Portal to Texas History
Battery-Terminal-Fastening Device
Patent for improvements to battery terminal fastening devices. Illustration is included.
Date:
October 12, 1920
Creator:
Hawkins, Alda F.
System:
The Portal to Texas History
Paper Clip.
Patent for new and useful improvements in a paper clip. This invention relates to a paper clip a has for its principal object the production of a simple and efficient device for holding numbers sheets of paper together.
Date:
October 21, 1920
Creator:
Holt, Frank P.
System:
The Portal to Texas History
Peanut-Harvester
Patent for peanut harvesting machine. It helps pull the peanut plant from the ground easily and aids in bunching them without having to use your hands.
Date:
October 26, 1920
Creator:
Phillips Willie Orman
System:
The Portal to Texas History
Wrench.
Patent for new and useful improved invention of wrenches include both pipe wrenches and general-purpose wrenches particularly.
Date:
October 26, 1920
Creator:
Kirkpatrick, Otey R.
System:
The Portal to Texas History
Automobile-Radiator
Patent for automobile radiator with protective members for the water-containing chambers.
Date:
November 30, 1920
Creator:
Herold, Harry H.
System:
The Portal to Texas History
Post Structure
Patent for improved base plate for wooden posts to protect the posts from damage and extend its usability.
Date:
November 30, 1920
Creator:
Dietz, Paul A.
System:
The Portal to Texas History
Adjustable Tire Mold
Patent for a tire mold that improves the viability of a tire mold due to the adjustable levers used during the tire curing process.
Date:
December 7, 1920
Creator:
Hibbs, Cassell D.
System:
The Portal to Texas History
Skeleton Structure.
Patent for Skeleton Structures or convertible structures able to be used different agricultural uses that "may be disassembled and reassembled in a different shape either by using the same parts or by adding additional parts," (line 25-28) including illustrations.
Date:
December 14, 1920
Creator:
Dietz, Paul, A.
System:
The Portal to Texas History
Printing Rule and Slug and Type-Form.
Patent for rules and slugs that are quickly and easily arranged and that lock securely to make a type form, including one illustration.
Date:
January 4, 1921
Creator:
Markwell, Andrew E.
System:
The Portal to Texas History
Monkey-Wrench.
Patent for a monkey wrench that "can be adjusted for different sizes of nuts by the same hand which is using the wrench...and which may also be used as a pipe wrench" (lines 16-21).
Date:
January 11, 1921
Creator:
Kirkpatrick, Otey R.
System:
The Portal to Texas History
Crude-Oil-Refining Process.
Patent for improvements in the crude oil refining processes and apparatuses. The invention focuses on creating an inexpensive and simplistic system that relies on temperature.
Date:
January 25, 1921
Creator:
Evans, Jewett G. P.
System:
The Portal to Texas History
Bushing Extractor and Inserter
Patent for the creation of a manner in the method of bushing extractors and inserters.
Date:
February 22, 1921
Creator:
Renfro, Leonardo E.
System:
The Portal to Texas History
Bale-Tie Buckle
Patent for new and valuable improvements on bale-tie buckles for cotton bales. This relates to buckles securing ties on cotton bales and minimize injury to the persons handling the cotton.
Date:
March 22, 1921
Creator:
McFarland, Frank Hays
System:
The Portal to Texas History
Maternity and Invalid Chair.
Patent for a folding chair designed specifically for the use and comfort of the sick and disabled.
Date:
March 22, 1921
Creator:
Read, Edwin T. & Bartz, Adolph J.
System:
The Portal to Texas History
Automatically-Operated Gate and Door
Patent for improvements on automatically opened doors and gates for vehicular passing. The improvements will allow the automatic opening of gates and doors without human attention or interference.
Date:
April 9, 1921
Creator:
Brown, George W.
System:
The Portal to Texas History
Flytrap.
Patent for a "new and improved fly trap arranged to insure [sic] a proper transfer of the flies or other insects" in such a way that the trap bait is preserved for repeated use (lines 14-16).
Date:
May 31, 1921
Creator:
Wallace, William Simpson
System:
The Portal to Texas History
Puncture-Proof Auto-Tire
Patent for puncture-proof auto tires aimed at reducing (or eliminating entirely) automotive tire punctures and blowouts. The design prioritizes the protection and strengthening of tire walls for these purposes alongside a simplicity in design which lends itself toward (comparatively) low manufacturing costs.
Date:
June 14, 1921
Creator:
Fenley, Robert H.
System:
The Portal to Texas History
Washing-Machine.
Patent for a washing machine that has better water pressure for washing that prevents damage to garments. The design for the washing machine also reduces production costs.
Date:
June 14, 1921
Creator:
Latham, Minnie M.
System:
The Portal to Texas History
Refrigerating Apparatus.
Patent for a refrigerating apparatus that is inexpensive and accessible to market owners, including illustrations.
Date:
June 21, 1921
Creator:
Moore, Harrison E.
System:
The Portal to Texas History
Pipe Tongs.
Patent for pipe tongs for drilling wells using rotary systems. The tongs are designed to be securely held against the drill stem using a lever, making them simple and economical to manufacture.
Date:
June 28, 1921
Creator:
Hill, Richard D.
System:
The Portal to Texas History
Pneumatic Cushioned Tire.
Patent for improvements to pneumatic cushioned tires, including guards to protect and shield the sides against abrasion.
Date:
June 28, 1921
Creator:
Kerr, Augustus Hallawell; Smith, J.A.; Atkinson, J. M.; Dacus, J.A. & Coley, W.L.
System:
The Portal to Texas History