43,209 Matching Results

Search Results

prev Results: 43153 - 43176 next

Axle Lubricator.

Description: Patent for a new and improved axle lubricator. This design consists in "[t]he combination, with the barrel or reservoir, its piston, and screw of the passage leading up from the top of the barrel-chamber, and the tube passing through the axle-collar and into a cavity of the axle arm" (lines 92-97).
Date: October 7, 1884
Creator: Keller, Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Water Trap for Cisterns and Other Receptacles.

Description: Patent for a new and improved water-trap. This design consists in "the combination, with a bent main pipe, of a vessel secured on the said main pipe and connected at its top with the interior of the said main pipe, a pin held on the bottom of the said vessel, a fixed sleeve provided with a spiral groove and engaged by said pin, a grooved pin held in the said fixed sleeve and resting at its top end on the bottom of the said pin, a roped connected with the said grooved pin, and a weight held on t… more
Date: August 7, 1888
Creator: Pickering, Charles H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Elevator Gate

Description: Patent for an elevator gate that will automatically be raised or lowered upon ascent or descent of the elevator, with illustrations.
Date: October 7, 1902
Creator: McNaught, Ira S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Baling Press.

Description: Patent for a new and improved baling-press. This design has for its object "to provide a press in which the material to be baled can be compressed into bales of the desired sizes, and then emptied from the baling-box by tilting up the tail-board, which is provided with angle irons to catch under the bale" (lines 15-20).
Date: August 7, 1888
Creator: Hoop, Friedrich W. J. & Isaac, Joseph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Apparatus for Protecting Electrical Circuits.

Description: 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-transmit… more
Date: January 7, 1896
Creator: Oram, John M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Electric Alarm.

Description: 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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Electric Alarm.

Description: 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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Baling-Press.

Description: Patent for a simple and efficient baling-press that has an improved press-box and plunger-operating power. The connections between the power and the plunger will be lighter and the feed-opening of the press-box will be closed automatically. The machine has a continuously-rotating operating wheel that allows for an easier way to engage and disengage the pitman.
Date: April 7, 1896
Creator: Franks, Lewis W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combined Rat and Mouse Trap.

Description: Patent for a cheaper and more effective trap that displays live bait but is unreachable to animals. The trap will make it "impossible for animals to escape after they have been captured" (lines 26-28), including illustrations.
Date: March 7, 1916
Creator: Bevers, William S., Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Corner-Planter and Fertilizer-Distributer.

Description: Patent for improvements in corn-planters and fertilizer-distributers is to combine the two into one machine by dividing the hopper into two compartments; one for fertilizing material and the other for corn-seeds. The bottom of these two compartments, each has its own opening design to dispense the seeds and fertilizers. Illustration is included.
Date: July 7, 1891
Creator: Davis, William Haywood
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combined Rake and Portable Baling-Press

Description: Patent for a "combined rake and portable baling-press, the objects in view being to provide a machine of the above class of comparatively cheap and simple construction and adapted to rake, elevate, deliver, pack, and bale hay and to apply the binding wires to the bales as formed in one continuous operation" (lines 8-15).
Date: September 7, 1892
Creator: Shero, Christopher C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen