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Method of forming metallic coatings on polymeric substrates and of forming graded polymeric coatings or films
The invention described herein relates to methods of forming graded polymeric coatings or films on a desired substrate and of forming metallic coatings on polymeric or other nonmetallic substrates. In particular, it relates to methods of forming such coatings or films by sorption and/or diffusion of metals into coatings or films of polymeric material deposited by conventional techniques on a desired substrate.
Date:
March 11, 1981
Creator:
Liepins, R.
System:
The UNT Digital Library
Nitrogen fixation method and apparatus. [DOE patent application]
A method and apparatus for achieving nitrogen fixation includes a volumetric electric discharge chamber. The volumetric discharge chamber provides an even distribution of an electron beam, and enables the chamber to be maintained at a controlled energy to pressure (E/p) ratio. An E/p ratio of from 5 to 15 kV/atm of O/sub 2//cm promotes the formation of vibrationally excited N/sub 2/. Atomic oxygen interacts with vibrationally excited N/sub 2/ at a much quicker rate than unexcited N/sub 2/, greatly improving the rate at which NO is formed.
Date:
August 11, 1981
Creator:
Chen, H. L.
System:
The UNT Digital Library
Cultivator Foot
Patent for a cultivator foot. Illustration included.
Date:
June 11, 1907
Creator:
Ferriott, Charles L.
System:
The Portal to Texas History
Bed Rail Fastener
Patent for a bed rail fastener. "The purpose of this invention is to provide novel features of construction for a bed rail fastener, which afford a very secure connection of the ends of the side rails of a metal bedstead with the head and foot posts of the bed." (lines 9-14). Illustration included.
Date:
May 11, 1909
Creator:
Berry, Thomas O.
System:
The Portal to Texas History
Cattle Guard
Patent for a cattle guard. Illustration included.
Date:
October 11, 1904
Creator:
Scott, William R.
System:
The Portal to Texas History
Automatic Stopping Mechanism for Engines.
Patent for certain new and useful improvements in automatic stopping mechanism for engines.
Date:
January 11, 1898
Creator:
Hunter, Victor Emmet
System:
The Portal to Texas History
Acetylene Gas Generator
Patent for acetylene gas generator. Illustration included.
Date:
December 11, 1906
Creator:
Hays, Parx Orr
System:
The Portal to Texas History
Buckle
Patent for a buckle. Illustration included.
Date:
May 11, 1909
Creator:
Allen, Orcenith F.
System:
The Portal to Texas History
Cotton Checker and Cultivator.
Patent for improvements in cotton checkers and cultivators by “providing a device in which the width of the hills or rows may be adjusted to suit the requirements of various grades of soil.” (Lines 15-17) Another improvement is to provide a “means to which the plows of the cultivator may be simultaneously raised or lowered, and when so raised or lowered may be kept in their adjusted positions.” (Lines 19-22) Illustration is included.
Date:
January 11, 1910
Creator:
Hamilton, Robert
System:
The Portal to Texas History
Cotton Checker and Cultivator
Patent for a cotton checker and cultivator. Illustration included.
Date:
January 11, 1910
Creator:
Hamilton, Robert & Humble, Henry O. V.
System:
The Portal to Texas History
Bling Tenon
Patent for a metallic blind tenon. The end of a blind slat to pivot the slat in the frame of the blind. Illustration included.
Date:
February 11, 1908
Creator:
Miller, Charles, of Del Rio, Texas
System:
The Portal to Texas History
Apparatus for Treating Timber.
Patent for an invention to aid in the treatment of treating timber. The invention is said to "provide a simple, inexpensive, durable, and efficient apparatus by means of which railroad cross-ties, fence-posts, and the like may be expeditiously and economically treated by immersion in a bath of some preserving liquid" (lines 16-22) including illustrations.
Date:
July 11, 1905
Creator:
Gerhard, Philip H.
System:
The Portal to Texas History
Advertising Street Car Sign
Patent for an advertisement sign located on the top of street cars. Illustration included.
Date:
February 11, 1908
Creator:
King, Alphonse
System:
The Portal to Texas History
Double-Row Stalk-Cutter.
Patent for a double row stalk cutter, which has rotating stalk cutters.
Date:
May 11, 1909
Creator:
Peden, Francis M.
System:
The Portal to Texas History
Attachment For Sewing Machines
Patent for an attachment for a sewing machines. Illustration included.
Date:
July 11, 1905
Creator:
Bearden, Jackson Thomas
System:
The Portal to Texas History
Design for a Game-Board
Patent for a design for a game-board this is both useful and ornamental.
Date:
May 11, 1897
Creator:
Sneddon, Guy Hoyt
System:
The Portal to Texas History
Combined Trousers Stretchers And Coat Hanger
Patent for a combined trousers stretcher and coat hanger. Illustration included.
Date:
September 11, 1906
Creator:
Bedinger, Singleton Berry
System:
The Portal to Texas History
Artificial Tooth.
Patent for a new and useful artificial tooth for "supplying missing teeth or crowning roots" (line 10 -11).
Date:
January 11, 1898
Creator:
Carroll, Houston Monroe
System:
The Portal to Texas History
Boat.
Patent for certain new and useful improvements in boats to "increase the speed and insure greater safety and stability in sailing vessels, row-boats, canoes, and the like" (line 12-14).
Date:
January 11, 1898
Creator:
Evesson, Martin V. B.
System:
The Portal to Texas History
Collapsible Ventilated Crate
Patent for a collapsible vented crate for that does not require special machinery to build.
Date:
June 11, 1912
Creator:
Williams, Lewie A.
System:
The Portal to Texas History
Churn.
Patent for a churn that employs a reciprocating dasher in order to improve all parts of the churn and its operating mechanism.
Date:
October 11, 1911
Creator:
Edwards, Henry L. & Perkins, William A.
System:
The Portal to Texas History
Device for Locking Shafts in Hubs or Couplings.
Patent for a new and useful device for locking shafts in hubs or couplings. This design is to "avoid the use of a key-way in the shaft and o provide the tubular member with a removable and reversible key having a serrated face adapted to be forced into close contact" (line 12-16).
Date:
January 11, 1898
Creator:
Rylander, Parrish H.
System:
The Portal to Texas History
Dentistry
Patent for a device to tighten and hold loose teeth to the jaw.
Date:
November 11, 1902
Creator:
Martin, George G.
System:
The Portal to Texas History
Combined Computing Device and Weighing-Scale.
Patent for "a simple, economical, and portable combined computing and weighing scale for ordinary use so simple in its operation that an illiterate person can manipulate it with as much facility as one trained to the practical use of more complicated devices" (lines 20-25).
Date:
July 11, 1899
Creator:
Stephens, John H.
System:
The Portal to Texas History