8 Matching Results

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Apparatus for Protecting Electrical Circuits. (open access)

Apparatus for Protecting Electrical Circuits.

Patent for an apparatus for protecting electrical circuits, and is an improvement on a previous patent (No. 537,932) issued to the inventor. This patent consists of "an electrical circuit, an alarm or indicator, a continuously-operating signal-transmitter at the protected structure operating to affect or influence the alarm or indicator, and a second or duplicate continuously-operating signal-transmitter located at the watchman's station, operating in unison with the first-named signal-transmitter to affect the alarm or indicator equally and oppositely as regards the first-named transmitter, whereby a signal is sounded or an alarm given only when the two transmitters are out of unison or when one is changed, varied, or interfered with in an unauthorized manner" (lines 72-86).
Date: January 7, 1896
Creator: Oram, John M.
System: The Portal to Texas History
Automatic Electric Alarm. (open access)

Automatic Electric Alarm.

Patent for an inexpensive, simple, and durable automatic electric alarm that allows people in house or hotel rooms, mines, ships, shops, etc. to signal for another person. The alarm is wired to a clock so it can be programmed to go off at a certain time.
Date: January 7, 1896
Creator: Stansel, Thomas J.
System: The Portal to Texas History
Automatic Electric Alarm. (open access)

Automatic Electric Alarm.

Patent for an automatic electric alarm meant to be hooked up to an automatic dry-pipe sprinkler system, and protects against fire. The alarm goes off when the air in the sprinkler pipes falls below a predetermined level. This invention also signals an alert when there is a leak in the pipes, and is an improvement on the circuit-wires for similar alarms.
Date: January 7, 1896
Creator: Williams, George Bayley
System: The Portal to Texas History
Brace for Heel-Sweeps. (open access)

Brace for Heel-Sweeps.

Patent for a simple and durable brace for heel-sweeps. The wings of the sweep will not close, and "that portion of the sweep through which the heel-bolt passes will be materially strengthened" (lines 14-16). It also braces sweeps whatever their size, and all the brace's parts are adjustable.
Date: January 7, 1896
Creator: Ferrell, Augustus C. & Hamrick, Thomas J.
System: The Portal to Texas History
Snap-Hook. (open access)

Snap-Hook.

Patent for a snap-hook that holds together the miscellaneous parts of a harness and dispenses "with a spring for holding the parts together and which cannot in use accidentally open" (lines 12-14).
Date: January 7, 1896
Creator: Nalley, John T.
System: The Portal to Texas History
Sight-Feed for Planters. (open access)

Sight-Feed for Planters.

Patent for a sight-feed for planters with a rotable feed-disk brings the seed to the spout. "The operator who is following the planter may be enabled to accurately observe the workings of the same and the delivery of the seed, and thus see at all times that a proper planting is taking place" (lines 17-21).
Date: January 7, 1896
Creator: Schofield, James Drommond
System: The Portal to Texas History
Electric Meter. (open access)

Electric Meter.

Patent for a simple and inexpensive electric meter that measures and records "the time during which an electric translating device, such as a motor or light, is connected with the source of supply, such as a dynamo-electric machine, located at a central station" (lines 11-15). Anyone can understand how it works, and it is more accurate than other meters.
Date: January 7, 1896
Creator: McGrath, William H. & Oram, John M.
System: The Portal to Texas History
Cotton Loading and Weighing Device. (open access)

Cotton Loading and Weighing Device.

Patent for a simple, inexpensive, and efficient cotton loading and weighing device for wagons. It can be easily put onto or removed from any wagon. This invention has a unique way of "clamping-loop or wire support by means of which the main inclined beam or support of the device is firmly and securely upheld and braced with relation to the tail-gate of a wagon with which said clamping frame or loop is adapted to engage" (lines 25-31).
Date: January 7, 1896
Creator: Paolucci, Henry Emanuel
System: The Portal to Texas History