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Multiple-reflection optical gas cell. [DOE Patent Application]
A multiple-reflection optical cell for Raman or fluorescence gas analysis consists of two spherical mirrors positioned transverse to a multiple-pass laser cell in a confronting plane-parallel alignment. The two mirrors are of equal diameter but possess different radii of curvature. The spacing between the mirrors is uniform and less than half of the radius of curvature of either mirror. The mirror of greater curvature possesses a small circular portal in its center which is the effective point source for conventional Fl double lens collection optics of a monochromator-detection system. Gas to be analyzed is flowed into the cell and irradiated by a multiply-reflected composite laser beam centered between the mirrors of the cell. Raman or fluorescence radiation originating from a large volume within the cell is: (1) collected via multiple reflections with the cell mirrors; (2) partially collimated; and (3) directed through the cell portal in a geometric array compatible with Fl collection optics.
Date:
June 15, 1981
Creator:
Matthews, T.G.
System:
The UNT Digital Library
Churn-Operating Mechanism
Patent for a rotary dasher churn operated by a spring motor. Illustrations included.
Date:
June 15, 1909
Creator:
Johnson, Frederick N.
System:
The Portal to Texas History
Band-Cutter and Feeder
Patent for a band cutter and feeder which cuts the bands that tie bundles of grain and feeds the grain into a threshing machine. Illustrations included.
Date:
September 15, 1908
Creator:
Richmond, George E.
System:
The Portal to Texas History
Cotton-Chopper.
Patent for a cotton chopper, which has a hoe on one side and a cultivator on the other.
Date:
March 15, 1910
Creator:
Dittrich, William
System:
The Portal to Texas History
Baling Press
Patent for a baling press. Illustration included.
Date:
May 15, 1906
Creator:
Struve, Clemens A.
System:
The Portal to Texas History
Chair-Dowel for Building Purposes.
Patent for a chair dowel for constructing chairs, which puts the whole weight of the chair on top of the columns of the chair rather than the sides.
Date:
October 15, 1907
Creator:
Wilson, William H.
System:
The Portal to Texas History
Battery-Connector
Patent for a battery connector for providing electricity in homes without being connected to a power plant.
Date:
October 15, 1912
Creator:
Hall, James Monroe
System:
The Portal to Texas History
Cylinder-Mounting for Carriage-Feeds
Patent for a cylinder mounting for carriage feeds in sawmills which wears less easily than other models.
Date:
November 15, 1910
Creator:
Myer, Clayton Pittinger
System:
The Portal to Texas History
Cultivator
Patent for a cultivator. Illustration included.
Date:
January 15, 1907
Creator:
Nicholson, Matthew Harris & Rosenbaum, Eugene
System:
The Portal to Texas History
Cotton Cleaning and Mattress - Stuffing Machine.
Patent for a new and useful improvements in cotton-cleaning and mattress-stuffing machines. This design "relates to improved machinery for cleaning cotton, forming it into bats, and discharging the bats into mattress-sticks" (line 8 to 10).
Date:
February 15, 1898
Creator:
White, Charles W.
System:
The Portal to Texas History
Cultivator.
Patent for a cultivator, which can be adjusted to different widths and depths of rows.
Date:
March 15, 1910
Creator:
Kilpatrick, Robert L.
System:
The Portal to Texas History
Brick-Machine.
Patent for a brick machine that is "effective, yet simple and durable, machine especially adapted to receive bricks from a stiff-mud mill and re-press them and also to provide a means whereby the machine will be automatic in its action." (Lines 7-12) Illustrations included.
Date:
May 15, 1900
Creator:
Anthony, Russell
System:
The Portal to Texas History
Stalk-Rake.
Patent for new stalk rake design, “especially applicable as a rake for gathering corn or cotton stalks from the ground preparatory to plowing the same or otherwise fitting it for use”, (lines 13-17) including illustrations.
Date:
July 15, 1902
Creator:
Clark, Joesph Lauson
System:
The Portal to Texas History
Cattle Guard
Patent for a cattle guard. This cattle guard is a useful improvement in use on railway-tracks.
Date:
September 15, 1903
Creator:
Frownfelter, George C.
System:
The Portal to Texas History
Breech-Protector
Patent for a breech protector for guns which protects exposed parts of the gun and the hands of the person handling it. Illustrations included.
Date:
December 15, 1908
Creator:
Hann, Edmund Lyne
System:
The Portal to Texas History
Design for a Saddle-Pad.
Design patent for a saddle-pad with longitudinal rows of scalloped ribs.
Date:
August 15, 1899
Creator:
Padgitt, Tom
System:
The Portal to Texas History
Acetylene Gas Generator.
Patent for a new and useful improvements in apparatus for generating acetylene gas. This design is to "provide with few applicances a simple and compact apparatus requiring little attention for generating acetylene gas for light, heat, and power purposes" (line 11 - 14).
Date:
February 15, 1898
Creator:
Dederick, Zadoc P.
System:
The Portal to Texas History
Audiphone
Patent for a audiophone which reproduces sounds at their original volume and timbre through the use of diaphragms vibrated by an electric signal.
Date:
October 15, 1907
Creator:
Baker, John A.
System:
The Portal to Texas History
Distilling Device
Patent for a water distilling device which connects to a hot water boiler in a house.
Date:
March 15, 1910
Creator:
Nenninger, Oscar A.
System:
The Portal to Texas History
Acetylene Gas Torch
Patent for a acetylene gas torch. Illustration included.
Date:
March 15, 1904
Creator:
Marsh, William H.
System:
The Portal to Texas History
Baling-Press
Patent for a manually operated baling press which bales materials more easily than other presses.
Date:
October 15, 1907
Creator:
Stopple, John J.
System:
The Portal to Texas History
Cotton Cleaning Apparatus
Patent for cotton cleaning apparatus. Illustrations included.
Date:
November 15, 1904
Creator:
Murray, Stephen D.
System:
The Portal to Texas History
Beam and Shank Attachment
Patent for a beam and shank attachment for attaching harrows to cultivators.
Date:
October 15, 1912
Creator:
Trousdale, Robert A.
System:
The Portal to Texas History
Clamping Device for Shutters
Patent for a clamping device for shutter slats.
Date:
November 15, 1910
Creator:
Kyler, William
System:
The Portal to Texas History