Collection
States
Month
Day
53 Matching Results
Results open in a new window/tab.
prev
Results:
49 - 53 of
53
Brooder
Patent for a brooder which prevents chicks from entering after a certain number have gone through the door.
Date:
November 5, 1912
Creator:
Becker, August B.
System:
The Portal to Texas History
Claw-Bar for Drawing Railroad-Spikes.
Patent for "an invention is an improved claw-bar for drawing railroad-spikes, the object of my invention being to provide the bar with a pivoted fulcrum-piece which is adapted to facilitate the engagement of the toe or claw of the bar with the head of a spike, to increase the leverage of the bar in withdrawing the spike, and to provide means to relieve the pivots or trunnions of the fulcrum-piece of stress when the bar is being operated todraw a spike." (Lines 8-17) Illustration is included.
Date:
November 5, 1901
Creator:
Smitham, Nicholas L.
System:
The Portal to Texas History
Bending-Machine.
Patent for a new machine providing "a simple, efficient and easily operated fluid-pressure actuated machine" for the straightening of railway rails (lines 12-14)
Date:
November 5, 1918
Creator:
Keely, William
System:
The Portal to Texas History
Blasting Plug.
Patent for a new and improved blasting plug. This design is "to improve the usefulness and efficiency of the device, to render it capable of more general application, to provide a construction whereby a given charge is rendered more powerful and effective, and to provide a divided blasting-plug . . . The invention consists more particularly in a cylindrical blasting-plug divided longitudinally into two separate or independent sections, one of which is formed with a disk-head having a vent orifice and made coextensive with the external caliber of the plug when the two sections are placed together" (lines 12-29).
Date:
November 5, 1889
Creator:
Holsey, Julius H.
System:
The Portal to Texas History
Baling-Press.
Patent for an improvement in baling-presses that uses a plunger operated press for maximum compression and minimum power.
Date:
November 5, 1901
Creator:
Hayes, Daniel George
System:
The Portal to Texas History