Resource Type

Automatic Switch (open access)

Automatic Switch

Patent for an automatic switch for railroad tracks.
Date: May 2, 1911
Creator: Pickle, Voyl C.
System: The Portal to Texas History
Automatic Time-Check for Oil-Presses and Other Machines (open access)

Automatic Time-Check for Oil-Presses and Other Machines

Patent for a device that records the time in which a machine is in operation and in which it is idle to check the efficiency of the workmen and the work plant as a whole.
Date: May 11, 1915
Creator: Bell, Thomas
System: The Portal to Texas History
Automatic Track Sweeping and Oiling Attachment for Street-Cars. (open access)

Automatic Track Sweeping and Oiling Attachment for Street-Cars.

Patent for improvements in automatic track sweeping and oiling attachments to street cars by having a transverse shaft carries a hub which has a series of brushes. When “the street car moves forward, the brushes on the transverse shaft are revolved, which sweep the rails and keep them clean.” (Lines 90-93) Illustration is included.
Date: May 12, 1891
Creator: Nesmith, Robert Henry
System: The Portal to Texas History
Automatic Train-Stop (open access)

Automatic Train-Stop

Patent for Automatic Train-Stops "particularly to a system operable in connection with well-known airbrake systems to apply the airbrakes, and shut off the power when an accident of a predetermined character occurs." (lines 10-14) including instructions and illustrations.
Date: May 16, 1916
Creator: Estes, Betram P.
System: The Portal to Texas History
Automatic Train Stop (open access)

Automatic Train Stop

Patent for an automatic train stop. Used to simplify the construction where fewer magnets and changeable switches are necessary. To provide an automatic train control mechanism with a normally closed circuit, the breakage or disarrangement of any part that would ensure the stopping of the train.
Date: May 21, 1918
Creator: Bulla, Melbern B.
System: The Portal to Texas History
Automatic Vehicle - Brake. (open access)

Automatic Vehicle - Brake.

Patent for a new and improved automatic vehicle brake.
Date: May 10, 1898
Creator: Elliott, Joseph Samuel
System: The Portal to Texas History
Automatic voltage-imbalance detector (open access)

Automatic voltage-imbalance detector

A device is described for indicating and preventing damage to voltage cells such as galvanic cells and fuel cells connected in series by detecting sequential voltages and comparing these voltages to adjacent voltage cells. The device is implemented by using operational amplifiers and switching circuitry is provided by transistors. The device can be utilized in battery powered electric vehicles to prevent galvanic cell damage and also in series connected fuel cells to prevent fuel cell damage.
Date: May 20, 1981
Creator: Bobbett, R. E.; McCormick, J. B. & Kerwin, W. J.
System: The UNT Digital Library
Automatically processed alpha-track radon monitor (open access)

Automatically processed alpha-track radon monitor

An automatically processed alpha-track radon monitor is provided which includes a housing having an aperture allowing radon entry, and a filter that excludes the entry of radon daughters into the housing. A flexible track registration material is located within the housing that records alpha-particle emissions from the decay of radon and radon daughters inside the housing. The flexible track registration material is capable of being spliced such that the registration material from a plurality of monitors can be spliced into a single strip to facilitate automatic processing of the registration material from the plurality of monitors. A process for the automatic counting of radon registered by a radon monitor is also provided.
Date: May 2, 1991
Creator: Langner, G. H. Jr.
System: The UNT Digital Library
Automobile-Fender (open access)

Automobile-Fender

Patent for automobile fenders to provide a fender that can be used in conjunction with various types of motor vehicles and "prevent a person from being run over by the vehicle equipped with the fender" (lines 13-14).
Date: May 15, 1917
Creator: Uribe, Marcelino
System: The Portal to Texas History
Automobile-Headlight-Lamp Mounting. (open access)

Automobile-Headlight-Lamp Mounting.

Patent for the improvement of automobile headlight lamp mountings. Improvement on lamp bracket described in Letters Patent Number 1,129,207, issued to the author on February 23, 1915.
Date: May 1, 1917
Creator: Kitching, David C.
System: The Portal to Texas History
Automobile-Indicator (open access)

Automobile-Indicator

Patent for an automobile indicator which shows the license number of the car and the state in which the license was issued. Illustrations included.
Date: May 7, 1912
Creator: Hoaker, John & Banks, William I.
System: The Portal to Texas History
Automobile-Lamp (open access)

Automobile-Lamp

Patent for an automobile lamp that will rotate the direction the tires of the car turn.
Date: May 9, 1911
Creator: Wogenstahl, Leo J.
System: The Portal to Texas History
Automobile Running-Gear (open access)

Automobile Running-Gear

Patent for a new automobile running gear that uses the front and rear wheels to propel the vehicle through rough, uneven terrain.
Date: May 5, 1914
Creator: Beaman, Fred.
System: The Portal to Texas History
AUTOMOBILE-TOOL. (open access)

AUTOMOBILE-TOOL.

Patent for an automobile tool for the Ford make of automobiles that "will hold the springs away from the bands and allow the bands to be removed and replaced or adjusted, when necessary" (lines 29-32) including instructions and illustrations.
Date: May 4, 1920
Creator: ROBERGE, JAMES Z.
System: The Portal to Texas History
Automobile Wheel. (open access)

Automobile Wheel.

Patent for improvements and a cushion to steering wheels of automobiles to provide better grip and comfort, including illustrations.
Date: May 15, 1917
Creator: Dominguez, Salvador
System: The Portal to Texas History
Axle-Box. (open access)

Axle-Box.

Patent for an axle-box for vehicle wheels that "contains a lubricant-receiving recess from which the lubricant is automatically fed to the spindle of the axle as necessity may occasion" (lines 10-13).
Date: May 8, 1894
Creator: Casto, Tony Lo
System: The Portal to Texas History
Axle Box for Locomotives. (open access)

Axle Box for Locomotives.

Patent for a new and improved axle-box for locomotives. This design "has relation to self-adjusting wedges for axle or driving boxes for locomotives, and has for its objects to produce a wedge that is controlled by a spring, which can be readily and easily adjusted for removing the pounding and lost motion between the axle-box and pedestal" (lines 11-17).
Date: May 21, 1889
Creator: Carlson, Frank August
System: The Portal to Texas History
Axle-Box for Vehicles (open access)

Axle-Box for Vehicles

Patent for axle box for vehicles "in which after the axle and axle-boxes have been worm by use the lost motion can be taken up by interposing a tightening-washer and spring between the axle-box and nut, so the the axle-box of the wheel is restored to the same condition.(10-15)
Date: May 19, 1903
Creator: McFarland, Julian
System: The Portal to Texas History
Axle Lubricator. (open access)

Axle Lubricator.

Patent for a new and improved axle lubricator. This design "consist[s] of a box provided with bearings in which the axle works, and with a cellar below the said bearings for the reception of the waste for containing the lubricant; [and] . . . of a frame in which the box fits, . . . being provided with screws for elevating or depressing the box, whereby it may be kept always in contact with the axle . . . The object is to produce an axle or journal lubricator . . . [that] will keep the bearings of an axle or journal shaft thoroughly lubricated at all times, thereby preventing the same becoming heated and swelling" (lines 14-35).
Date: May 21, 1889
Creator: Good, William
System: The Portal to Texas History
Axle-Repairing Apparatus. (open access)

Axle-Repairing Apparatus.

Patent for a new, simple, and efficient axle repairing apparatus for "facilitating the repairing of worn axles without the removal of the wheels or the axles from the vehicle-body" (line 10 -12).
Date: May 10, 1898
Creator: Hammer, Willie Alice
System: The Portal to Texas History
Axle-Setting Machine (open access)

Axle-Setting Machine

Patent for a axle setting machine that can be used on any type of axle, has its own lever, and doesn't touch the inside of the axle collar.
Date: May 7, 1907
Creator: Roberts, John William
System: The Portal to Texas History
Baby Jumper. (open access)

Baby Jumper.

Patent for a new and improved baby jumper. This design consists in "the combination, with the vertically-resilient supporting-rod having a frame swiveled on its lower end, of the supporting garment adapted to be fastened around the infant and comprising the waist to be buttoned around the body, the pants depending from the waist and having the front flap and the side flaps adapted to be buttoned together in front of the infant, and the skirt attached to the waist at the top of the pants and hanging around the said pants, the upper edge of the waist being attached to the lower ends of [the] cords" (lines 1-13).
Date: May 15, 1888
Creator: Jones, Mary Perciller
System: The Portal to Texas History
Back-Pad. (open access)

Back-Pad.

Patent for an inexpensive and simple concave back-pad meant to be used between the horse and the saddle. The design of the invention makes saddles stay in place.
Date: May 14, 1895
Creator: Powell, John S.
System: The Portal to Texas History
Balance Staff and Wheel for Watches (open access)

Balance Staff and Wheel for Watches

Patent for an improved design of a balance staff and wheel used for watch repair. The new design allows for an easier repair when replacing a broken staff and decreases the chance that the wheel would be damaged when replacing the staff. Included are instructions and illustrations.
Date: May 18, 1880
Creator: Bugbee, George G.
System: The Portal to Texas History