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33 Matching Results

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Oil Burner (open access)

Oil Burner

Patent for simple and efficient mechanism capable of producing heat which vaporize oil.
Date: March 25, 1912
Creator: Price, Joseph P.
System: The Portal to Texas History
Electric Gas-Lighter (open access)

Electric Gas-Lighter

Patent for a gas lighter that is designed to be durable and reliable, with an improved method of controlling the supply of gas to the burner.
Date: March 25, 1902
Creator: Ruebel, C. A. Ernst
System: The Portal to Texas History
Bulkhead. (open access)

Bulkhead.

Patent for bulkhead that is "adapted for use as a sea wall or quay wall" (lines 10-11).
Date: March 25, 1919
Creator: Sands, Edward E.
System: The Portal to Texas History
Safety Stop for Elevators. (open access)

Safety Stop for Elevators.

Patent for a new and improved safety stop for elevators. This design "consists in a lever pivoted to the bottom of the car, and provided with a spring for throwing it into position transversely to the car-bottom, so that the ends of the lever can catch on horizontal bars secured to the sides of the elevator-shaft. A rope or cable is secured to one end of the lever and to the car-elevating cable, and keeps the spring taut, and prevents it from throwing the lever unless the elevating-cable breaks" (lines 11-20).
Date: March 25, 1884
Creator: Saunders, Ellison
System: The Portal to Texas History
Anal Speculum. (open access)

Anal Speculum.

Patent for a new and improved anal speculum. This design is "to so construct the several parts that there will be no rough or raised edges to interfere with its insertion in the anal passage; secondly, to so construct [the] improved speculum that it may be readily used as a bi-valve or dilator; thirdly, to form a locking-joint on the meeting edges of the shells forming the speculum, whereby the sections are prevented from overlapping each other to avoid pinching or injury to the walls of the anal passage while the instrument is being inserted; fourthly, to provide a plug for [the] improved speculum" (lines 17-29).
Date: March 25, 1890
Creator: Shuford, Quincy Adams
System: The Portal to Texas History
Bicycle. (open access)

Bicycle.

Patent for "...a bicycle-frame so constructed that it is adapted to yield automatically...thereby doing away with the necessity of using pneumatic and puncturable tires..." (lines 10-11, 15-17) including illustrations.
Date: March 25, 1902
Creator: Smith, George Washington
System: The Portal to Texas History
Egg Tester. (open access)

Egg Tester.

Patent for "an improved egg tester". (line 14)
Date: March 25, 1913
Creator: Smith, John L.
System: The Portal to Texas History
Rail Device (open access)

Rail Device

Patent for a rail securing device which prevents the rails from spreading.
Date: March 25, 1913
Creator: Tritico, Leonard
System: The Portal to Texas History
Well-Screen Washer and Perforator. (open access)

Well-Screen Washer and Perforator.

Patent for a device that is used to wash a screen set in an oil well and perforate the pipe the screen is attached to.
Date: March 25, 1919
Creator: Wilkirson, Aaron L.
System: The Portal to Texas History