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Safety-Casing Clamp
Patent for a tool that supports the drilling and operating of oil and gas wells. Specifically, the patented tool allows a strong method of sealing the smaller casing inside the larger casing, as the larger casing is pulled out of the well. Includes illustrations.
Date:
March 15, 1921
Creator:
Angus, William M.
Object Type:
Patent
System:
The Portal to Texas History
Broom or Brush
Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Date:
March 16, 1915
Creator:
Airhart, Noah S.
Object Type:
Patent
System:
The Portal to Texas History
Screen-Door Brace.
Patent for a screen door supportive brace intended to maintain original rectangular form and designed to be installed without the use of tools. Includes instructions and an illustration.
Date:
March 17, 1914
Creator:
Morrison, W. A.
Object Type:
Patent
System:
The Portal to Texas History
Gas Generator and Burner.
Patent for a "combined gas generator and burner" (lines 9-10) adapted for household heating and cooking purposes including instructions and illustrations.
Date:
March 23, 1915
Creator:
Hopper, James F.
Object Type:
Patent
System:
The Portal to Texas History
Cotton Cleaning and Extracting Machine.
Patent for a new, efficient machine, with a double purpose: "to clean hand-picked cotton and better prepare it for the ginning operation" (lines 11-13) and to extract cotton "from unripe and closed bolls" (lines 14-15).
Date:
March 7, 1916
Creator:
Blackmon, Enoch J.
Object Type:
Patent
System:
The Portal to Texas History
Compound Tool
Patent for a compound tool which combines the features of the nut-wrench and the pipe-wrench.
Date:
March 18, 1913
Creator:
Scroggins, James L. & Waldrop, A. S.
Object Type:
Patent
System:
The Portal to Texas History
Archaeological Survey of the SH 289 Wetland Mitigation Project, Grayson County, Texas
Archaeological survey report of the proposed site of the SH 289 Wetland Mitigation Project in Grayson County, Texas, performed to determine whether any historic resources were located on the proposed construction sites.
Date:
March 13, 2008
Creator:
Tood, Jesse
Object Type:
Report
System:
The Portal to Texas History
Automatic Mail and Parcel Delivery Apparatus
Patent for a automated motorized mail delivery vehicle that travels in the air on electric lines on poles to deliver incoming mail and retrieve outgoing mail from rural routes or parcels in urban areas.
Date:
March 5, 1907
Creator:
Dederick, Zadoc P.
Object Type:
Patent
System:
The Portal to Texas History
Adjustable Headlight-Reflector
Patent for an adjustable headlight reflector for train engines which will shine the light straight in front of the train.
Date:
March 16, 1909
Creator:
Pratt, James R.
Object Type:
Patent
System:
The Portal to Texas History
Baling Press Attachment
Patent for baling press attachment. Illustration included.
Date:
March 17, 1908
Creator:
Jackson, James H.
Object Type:
Patent
System:
The Portal to Texas History
Compound Railway Rail
Patent for a compound railway rail. This invention is comprised of separate tread and base parts. Illustration included.
Date:
March 10, 1908
Creator:
Finley, Alfred P.
Object Type:
Patent
System:
The Portal to Texas History
Wood-Boring Machine.
Patent for a wood boring machine "which is especially adapted to bore holes of extreme length in columns or like structural members by cutting away only a portion of the wood forming hole in same" (lines 11-15).
Date:
March 13, 1906
Creator:
Bible, Hunley & Robinson, Lee A.
Object Type:
Patent
System:
The Portal to Texas History
Insect-Trap
Patent for an insect trap.
Date:
March 31, 1903
Creator:
Estep, Samuel Richard
Object Type:
Patent
System:
The Portal to Texas History
Stamp-Affixing Machine.
Patent for a stamp affixing machine, which attaches stamps from a roll to envelopes inserted into the machine.
Date:
March 15, 1910
Creator:
Brents, William R.
Object Type:
Patent
System:
The Portal to Texas History
Passenger Recorder
Patent for a passenger recorder. This invention is designed to keep track of the flow of passengers entering on and off passenger vehicles. Illustration included.
Date:
March 7, 1905
Creator:
Jackson, Charles F.
Object Type:
Patent
System:
The Portal to Texas History
Suspension-Bridge.
Patent for suspension bridges and a mechanism to overcome the vertical motion in floors of spans of bridges and provides a permanent anchorage for the cables.
Date:
March 5, 1912
Creator:
Greer, William H. C.
Object Type:
Patent
System:
The Portal to Texas History
Hame and Trace Connector.
Patent for a hame and trace connector. "The object of the invention is to provide a hame and trace connection having means to prevent the parts of the same from becoming disconnected." (lines 14-17)
Date:
March 6, 1906
Creator:
Lindsay, George F.
Object Type:
Patent
System:
The Portal to Texas History
Shell or Projectile.
Patent for a "shell or projectile for firing from large guns...which can be discharged from the gun without danger of the dynamite exploding from the shock incident to the projecting explosive" (lines 8-9, 11-14).
Date:
March 21, 1911
Creator:
Murphy, William L.
Object Type:
Patent
System:
The Portal to Texas History
Rope-Fastening Device.
Patent for a new and useful rope fastening device, including instructions and illustrations.
Date:
March 13, 1900
Creator:
Howard, Frank P.
Object Type:
Patent
System:
The Portal to Texas History
Safety-Valve for Water Systems in Connection with Air-Brake Systems.
Patent for a water valve governor for rail cars, which will prevent the water systems that use air from the air brake system from hampering the operation of the brakes.
Date:
March 17, 1908
Creator:
Scott, William D.
Object Type:
Patent
System:
The Portal to Texas History
Rotary Engine
Patent for a rotary engine. This invention is a rotary steam engine. It consists of a cylinder, rotatable drum, and pistons. Illustration included.
Date:
March 24, 1908
Creator:
Hopper, James F.
Object Type:
Patent
System:
The Portal to Texas History
Device For Pressing Trousers
Patent for a device for pressing trousers. Illustration included.
Date:
March 7, 1905
Creator:
Smith, William A.
Object Type:
Patent
System:
The Portal to Texas History
Automatic Car-Switching System.
Patent for "a system of switching where the cars of a train are pushed up an incline and placed successively on an elevated annular revolving platform, by which they are automatically distributed to their respective receiving-tracks" (lines 9-14).
Date:
March 24, 1896
Creator:
Lelardoux, Pierre
Object Type:
Patent
System:
The Portal to Texas History
Combined Land Roller and Plow
Patent for combined land roller and plow. This tool is meant to be used to prepare the ground for planting. The illustrations have the labeled components and the text describes their uses.
Date:
March 10, 1885
Creator:
Weddle, Henry, of Sherman, Texas
Object Type:
Patent
System:
The Portal to Texas History