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Process for strengthening silicon based ceramics
A process for strengthening silicon based ceramic monolithic materials and composite materials that contain silicon based ceramic reinforcing phases that requires that the ceramic be exposed to a wet hydrogen atmosphere at about 1400{degrees}C. The process results in a dense, tightly adherent silicon containing oxide layer that heals, blunts, or otherwise negates the detrimental effect of strength limiting flaws on the surface of the ceramic body.
Date:
March 7, 1991
Creator:
Kim, Hyoun-Ee & Moorhead, A. J.
System:
The UNT Digital Library
Hydraulic Swivel
Patent for a new and useful improvement in hydraulic swivels by simplifying the structure and making the device more efficient and reliable.
Date:
March 7, 1922
Creator:
Black, Lee J.
System:
The Portal to Texas History
Combined Rat and Mouse Trap.
Patent for a cheaper and more effective trap that displays live bait but is unreachable to animals. The trap will make it "impossible for animals to escape after they have been captured" (lines 26-28), including illustrations.
Date:
March 7, 1916
Creator:
Bevers, William S., Jr.
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.
System:
The Portal to Texas History
Elevator
Patent for a new and improved elevator that has “a locking device for securing the jaws of the elevator around the pipe to be lifted” (lines 11-13), including illustrations.
Date:
March 7, 1916
Creator:
Simmons, Wise F. & Levy, Christin W.
System:
The Portal to Texas History
Funnel.
Patent for an improved "funnel device which is adapted to be connected to the inlet of a receptacle such as a tank and form therewith an air tight connection provided with a manually operated valve" (lines 18-23).
Date:
March 7, 1916
Creator:
Errington, Walter W.
System:
The Portal to Texas History
Pipe Gripping Device.
Patent for Pipe Gripping Device used in conjunction with a good drilling outfit to grip and support the casing pipe of a well.
Date:
March 7, 1916
Creator:
Palmore, Martin W.
System:
The Portal to Texas History
Reaming-Drill
Patent for an improved and longer lasting rotary boring drill.
Date:
March 7, 1916
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Retaining Means for Rotary-Drill Cutters.
Patent for new retaining rings in rotary-drill cutters, which allow the cutters to be inserted into and removed quickly from a drill, and can be "manufactured cheaply" (line 28).
Date:
March 7, 1916
Creator:
Hughes, Howard Robard, 1869-1924
System:
The Portal to Texas History
Rotary Boring Drill
Patent for an improvement in rotary boring drill that will prevent head from wobbling sideways in the hole being drilled.
Date:
March 7, 1916
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Rotary Disk Drill
Patent for an improvement to rotary disk drills that prevent excessive wear on the cutting edge of the disk.
Date:
March 7, 1916
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Surveying Instrument.
Patent for new and improved surveying instrument for use "in calculating the distance between the point of 'setting up' and the target, without the use of the usual linear chain" (lines 12-15). Illustration and instruction included.
Date:
March 7, 1916
Creator:
Adams, J. S.
System:
The Portal to Texas History
Washing Machine
Patent for an improvement in washing machines that have a rocking cylinder or drum shaped agitator.
Date:
March 7, 1916
Creator:
McAnally, Marion L.
System:
The Portal to Texas History
Well Drilling Bit.
Patent for new and improved well-drilling bit. Illustration included.
Date:
March 7, 1916
Creator:
Marney, Robert A.
System:
The Portal to Texas History
Acetylene Gas Generator
Patent for an acetylene gas generator. illustration included.
Date:
March 7, 1911
Creator:
Wyatt, William J.
System:
The Portal to Texas History
Adjustable Light Shade and Reflector.
Patent for a new adjustable light shade and reflector with "a shade and a support therefor so provided with joints that the shade may be given any desired angle of reflection, relative to the light, and its relative distance from the light may be regulated" (lines 13-17), which includes illustrations and instructions.
Date:
March 7, 1911
Creator:
Spivey, Lillian Hale
System:
The Portal to Texas History
Attachment for Diaphragm Face Plates
Patent for an attachment for diaphragm face plates. Illustration included.
Date:
March 7, 1911
Creator:
Labadie, Victor
System:
The Portal to Texas History
Car Steps
Patent for rail car steps. Illustrations included.
Date:
March 7, 1911
Creator:
Collier, James Dallas
System:
The Portal to Texas History
Chimney Holder
Patent for chimney holder. This design is a "means for holding a chimney upon a burner of any kind for the purpose of preventing the accidental tilting of the chimney" (lines 11-13). Illustrations included.
Date:
March 7, 1911
Creator:
Elkins, Thomas M.
System:
The Portal to Texas History
Cotton-Chopper.
Patent for a cotton chopper with a solid hoe for thinning cotton and a toothed hoe for pulling weeds.
Date:
March 7, 1911
Creator:
Hart, Granville M.
System:
The Portal to Texas History
Cotton Chopper
Patent for a cotton chopper. Illustration included.
Date:
March 7, 1911
Creator:
Carlson, Peet
System:
The Portal to Texas History
Cultivator Attachment
Patent for a cultivator attachment designed to aid in the plowing of soil. Illustrations included.
Date:
March 7, 1911
Creator:
Parmer, George W. & Miller, John W.
System:
The Portal to Texas History
Draft-Equalizer.
Patent for a draft equalizer for animals pulling farm equipment in fields.
Date:
March 7, 1911
Creator:
Glover, Milford S.
System:
The Portal to Texas History
Dumping-Platform.
Patent for a dumping platform for wagons to drive under and be filled with their load.
Date:
March 7, 1911
Creator:
Rector, Eldridge L.
System:
The Portal to Texas History