Collection
Office of Scientific & Technical Information Technical Reports
317
Congressional Research Service Reports
142
Texas Attorney General Opinions
56
Texas Patents
53
Technical Report Archive and Image Library
28
Government Accountability Office Reports
21
National Advisory Committee for Aeronautics Collection
14
TRAIL Microcard Collection
12
Texas Register
10
Texas State Publications
9
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Country
640 Matching Results
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Results:
625 - 640 of
640
Improvement in railroad switches
Patent for an improvement in railroad switches, including illustrations.
Date:
October 22, 1872
Creator:
Fitzsimmons, Henry
Object Type:
Patent
System:
The Portal to Texas History
Plow.
Patent for "new and useful improvements in plows; and it has for its object the production of simple and highly-efficient means for regulating the depth and penetration of the plowshare in all kinds and conditions of soil." (Lines 10-15) Includes instructions and illustrations.
Date:
October 22, 1895
Creator:
Sinclair, James & Sellers, John
Object Type:
Patent
System:
The Portal to Texas History
Pipe-Clamp
Patent for a pipe clamp to be used with well pipes and tubes. Illustrations included.
Date:
October 22, 1912
Creator:
Everett, Arthur D.
Object Type:
Patent
System:
The Portal to Texas History
Railroad-Rail
Patent for railroad rail that does not need to joined with a bolt and can be locked in place to prevent spreading.
Date:
October 22, 1918
Creator:
Huffman, Henry W.
Object Type:
Patent
System:
The Portal to Texas History
Rack and Pinion Mechanism.
Patent for a new and improved rack-and-pinion mechanism. This design "relates to improvements on rack-and-pinion mechanism to dispense with the connecting-rod on steam-engines, whereby a more equal, constant motive power at any point of the piston-stroke, and no dead or weak points of the same, will be obtained" (lines 9-14).
Date:
October 22, 1889
Creator:
MacDonald, Peter M.
Object Type:
Patent
System:
The Portal to Texas History
Pump.
Patent for rotary pump designed to counterbalance thrust at each step by a "series of lifting-wheels mounted upon a common shaft" (lines 10-11) in order to minimize wheel thrust.
Date:
October 22, 1901
Creator:
Baker, Josheph W.
Object Type:
Patent
System:
The Portal to Texas History
Oil-Burner
Patent for a new way to spray atomized "oil, or a combination of oil with air or steam, or both air and steam, for the purpose of burning in a furnace" (lines 13-15) allowing for all of the oil to be burned. Enhancements were also made to the mixing chamber, discharge regulator, and ability to disassemble for cleaning and repair.
Date:
October 22, 1918
Creator:
Humason, Granville A.
Object Type:
Patent
System:
The Portal to Texas History
Plow-Fender.
Patent for a plow fender, which allows a plow to be operated next to plant rows without injuring them and deflects rocks and other obstacles.
Date:
October 22, 1907
Creator:
Skidmore, John C.
Object Type:
Patent
System:
The Portal to Texas History
Pole or shaft.
Patent for poles and shafts for vehicles with the objective of providing "simple and inexpensive means for dispensing with the singletree ordinarily employed with a pair of shafts or thills in a one-horse vehicle or the usual doubletree in a two-horse vehicle." (Lines 10-15)
Date:
October 22, 1901
Creator:
Sharp, Marvin A. & Sharp, Bird H.
Object Type:
Patent
System:
The Portal to Texas History
Razor Stropper
Patent for a razor stropper. Illustrations included.
Date:
October 22, 1912
Creator:
Herring, Charles M.
Object Type:
Patent
System:
The Portal to Texas History
Plow.
Patent for a plow with "structure of improved strength and durability wherein means are provided for changing or adjusting the angularity of the plow stock" (lines 10-13) to make it "capable of plowing the soil deeper or shallower, as desired" (lines 16-17).
Date:
October 22, 1918
Creator:
Warren, John T.
Object Type:
Patent
System:
The Portal to Texas History
Pencil-Holder.
Patent for a device to secure a pencil within the breast-pocket, including description and illustrations.
Date:
October 22, 1901
Creator:
Hogg, George, Sr.
Object Type:
Patent
System:
The Portal to Texas History
Game and Toy Apparatus.
Patent for a new game and toy apparatus for the purpose of throwing projectiles at targets and scoring the number of targets hit as a game or toy.
Date:
October 22, 1918
Creator:
Whiteker, Bosque M.
Object Type:
Patent
System:
The Portal to Texas History
Egg-Tester
Patent for an egg tester. Illustrations included.
Date:
October 22, 1912
Creator:
Bixler, William D.
Object Type:
Patent
System:
The Portal to Texas History
Supplement to: Curve Plotting Routine for the Oracle (57-4-56)
A general program has been written to plot curves on the Oracle curve plotter. The supplement includes changes to slow down some of the loops and minimize the possibility of read-around errors and changes to handle special cases.
Date:
October 22, 1957
Creator:
Lietzke, M. P.
Object Type:
Report
System:
The UNT Digital Library
Cylinder Head.
Patent for improvement in removable cylinder heads for gas engines. Exhaust gasses and foreign matter pass through the conduits without affecting the valve stem.
Date:
October 22, 1918
Creator:
Bloomber, H. G.
Object Type:
Patent
System:
The Portal to Texas History