45 Matching Results

Search Results

prev Results: 25 - 45

Grease-Trap.

Description: Patent for a grease-trap that improves on a patent previously granted to the inventor (No. 506,690). The improvement includes providing "a strainer device for sewer traps, and the like, which will prevent any solid matter passing therethrough, and at the same time capable of being removed for the purpose of cleansing, repairs or other purposes" (lines 22-26).
Date: May 8, 1894
Creator: Heffron, Isaac
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railroad Weed-Burner

Description: Patent for "a railroad weed-burning device in which a large sheet-iron shield is suspended underneath and between the trucks of any ordinary railroad car for the purpose of confining the flame and heat produced by oil-atomizing burners or other means to direct and maintain continued contact with grass and weeds on the ground between and along the outside of the rails" (lines 9-18).
Date: May 11, 1897
Creator: Hancock, Geroge A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Roll-Calendar.

Description: Patent for an improved roll calendar comprising a calendar strip, a pair of rolls, and a display casing. The calendar can be moved in either direction to display any calendar month desired. The improved calendar is extremely cheap and simple, may be readily operated and embodies improvements in the construction of the casing.
Date: May 28, 1918
Creator: Townsend, Isaac W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Bleaching Resins.

Description: Patent for a process to "bleach, clarify, and refine the commonest and lowest grade of resin, and such is now known to the trade as black resin, as to produce therefrom, by a cheap and simple means or process, an article as pure as extra pale, or resin which is the product of the virgin dip, and which for use in all the arts where the finest quality of resin is desirable or required, is equally as valuable." (Lines 14-23) Includes instructions and illustrations.
Date: May 27, 1873
Creator: Lee, Archibald K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Box and Bale Hooks.

Description: Patent for "a guard or shield, of leather or other equivalent material, combined with the handle or shank of the hook used for turning or otherwise handling bales or boxes, &c., to prevent the hands from rubbing or pressing against the bale or box, whereby the are often injured." (Lines 6-12) Includes instructions and illustrations.
Date: May 26, 1874
Creator: Knight, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Refining and Ageing Liquors.

Description: Patent for improvement in refining and ageing liquors, including an illustration. The process includes expelling air from distilled liquors, heating them to a boiling point and then cooling them in a waterbath, through the use of a closed, air-tight vessel surrounded by an open water-vessel.
Date: May 10, 1870
Creator: Gilman, Samuel H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "has for its objects to provide a coupling-pin which can be reversed when one end becomes worn, to provide a reversible pin of novel construction, which is adapted to automatically engage the ordinary coupling-link, and to provide a coupling-pin of novel construction, with a device for holding it elevated when it is not desired to engage a coupling-link" (lines 10-18).
Date: May 15, 1883
Creator: Fowler, Joseph C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cabinet for Holding Postage Stamps, &c.

Description: Patent for a new and improved cabinet. This design "consists in a commercial postage-stamp holding, preserving, and denomination-indicating book, the same having its blank leaves formed of paper so prepared that postage-stamps will not adhere to them, and some of said leaves being provided at intervals with exposed tabs which have numerical indices marked upon them and serve for indicating the denomination of the stamps placed between the leaves at different parts of the book. It also consists … more
Date: May 24, 1892
Creator: Exline, Marcus P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Amusement Device.

Description: Patent for a Ferris wheel in which the passenger cars rotate horizontally in addition to rotating vertically with the direction of the main wheel.
Date: May 24, 1921
Creator: Lindamood, Roy S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Fender.

Description: Patent for a simple car-fender that improves on the types of "fenders which are attached to the front end of street and other car trucks for the purpose of saving human life by preventing a body from being thrown under the car wheels" (lines 10-14). The invention does not let a body under the car wheels.
Date: May 22, 1894
Creator: Rau, William J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bicycle

Description: Patent for a bicycle propelled by the front wheel. Illustrations included.
Date: May 17, 1910
Creator: Franklin, Robert M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent is for a rotary engine. The design of this rotary engine includes an inlet and exhaust that also prevents internal leakage of working fluid under pressure.
Date: May 8, 1912
Creator: Bennison, Samuel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bottle.

Description: Patent for a bottle that has a mechanism near its opening, and when the cork is pulled out, it becomes impossible to refill the bottle and use it again. The point of this bottle is so that after it has been sealed, it cannot be opened and emptied without apparent evidence that it has been opened.
Date: May 4, 1897
Creator: Phillips, George C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Blind Slat Adjuster.

Description: Patent for a new and improved blind adjuster. This design consists in "[a] shutter-stop consisting of a slotted bar linked to the end of the slat-actuating rod of a shutter, in combination with a plate having a spur on one side and a screw-threaded stud on the other, a washer, and a thumb-nut" (lines 93-97).
Date: May 4, 1886
Creator: Lewis, Paulinus Aloysius
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen