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8 Matching Results
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Boiler-Skimmer.
Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Date:
October 14, 1919
Creator:
Phillips, Eugene N. & Dick, Harvey H.
System:
The Portal to Texas History
Boiler Skimmer or Cleaner
Patent for improvements for a boiler skimmer or cleaner with suitable valves to control the blowing off from scum, steam or water.
Date:
September 9, 1919
Creator:
Phillips, Eugene N. & Dick, Harvey H.
System:
The Portal to Texas History
Manifold-Writing Tablet.
Patent for writing platform which allows for the creation of carbon copies.
Date:
April 1, 1879
Creator:
Morris, Robert, C.
System:
The Portal to Texas History
Improvement in Coolers for Railroad-Car Journals.
Patent relating to "an apparatus for cooling the journals and boxes of railroad-cars and other vehicles" (lines 27-29). Includes instructions and illustration.
Date:
July 15, 1879
Creator:
Morris, Robert C.
System:
The Portal to Texas History
Improvement in Car-Axle Boxes.
Patent for improvement to car-axle boxes, specifically "Oil-Collectors for Railroad Journals" (line 6), including illustrations.
Date:
August 5, 1879
Creator:
Morris, Robert C. & McLane, Hiram H.
System:
The Portal to Texas History
Photographic Copying Apparatus
Patent for a simple and effective photographic-copying apparatus capable of making copies of small objects of different sizes. The machine is for general commercial use "that may be successfully operated by persons not particularly skilled in the photographic art" (lines 23-25) including illustrations.
Date:
February 2, 1915
Creator:
Gregory, Oscar T. & Carkhuff, Norman W.
System:
The Portal to Texas History
Improvement in Sheet-Metal Vessels
Patent for a cylindrical vessel made of sheet-metal rather than tin. Including a inward double hanging ledge and two layers of metal soldiered together.
Date:
October 14, 1879
Creator:
Morris, Robert C. & McLane, Hiram H.
System:
The Portal to Texas History
Improvement in Angle-Plates for Doors.
Patent for a strengthening bracket for improving angle-plates for door hinges, such that the door will be supported from sagging at the hinge.
Date:
October 14, 1879
Creator:
Morris, Robert C. & McLane, Hiram H.
System:
The Portal to Texas History