5 Matching Results

Search Results

Results: 1 - 5

Water-Elevator.

Description: Patent for a water elevator that is composed of a band with buckets attached that goes around the structure in a circle delivering water.
Date: September 5, 1911
Creator: Thompson, James W. & Hathaway, James F.
Partner: UNT Libraries Government Documents Department

Primer for Cannon.

Description: Patent for a new and improved primer for cannons. This design corrects the loosening of primers in their vent-holes by way of "a spring combined with the priming tube, which spring expands to the size of the vent" (para. 3). This eliminates blowouts and premature breakage.
Date: September 14, 1880
Creator: Rodman, John Black
Partner: UNT Libraries Government Documents Department

Protecting Shores.

Description: Patent for certain new and useful improvements in protections for river banks and coast washing, including instructions and illustrations.
Date: September 27, 1898
Creator: Brooks, Samuel W.
Partner: UNT Libraries Government Documents Department

Syringe.

Description: Patent for a syringe that will inject or throw liquid and is piston-operated. "In its special organization the device is particularly adapted for males and treatment of diseases to which they are heir, and is light, neat, and compact, so as to be easily carried in the pocket" (lines 18-22).
Date: September 3, 1895
Creator: Putegnat, Joseph L.
Partner: UNT Libraries Government Documents Department

Improvement in Spike-Extractors.

Description: Patent for "an improvement in the class of nail-extractors in which a gripe or grapple formed of pendent springs or hinged jaws is employed." (lines 7-10) including instructions and illustrations.
Date: September 29, 1874
Creator: Devine, William
Partner: UNT Libraries Government Documents Department
Back to Top of Screen