Formaldehyde Fumigator (open access)

Formaldehyde Fumigator

Patent for a formaldehyde fumigator. Illustration included.
Date: December 15, 1903
Creator: Morris, Seth M.
Object Type: Patent
System: The Portal to Texas History
Flower Pot Trellis (open access)

Flower Pot Trellis

Patent for a flower pot trellis which is used "to be applied to flower-pots of various sizes to support plants or vines without interfering with their roots" (p.2).
Date: April 15, 1890
Creator: Brown, John Stoddart, of Galveston, Texas
Object Type: Patent
System: The Portal to Texas History
Gas-Generating Apparatus. (open access)

Gas-Generating Apparatus.

Patent for a gas-generator, especially generating acetylene, "with uniformity of flow of gas and at a uniform pressure" (lines 15-16). It is simple and can be constructed in many sizes. "This apparatus is especially adapted for generating gas and mixing it with air from that class of chemicals that generate gas from water by decomposition thereof and by affinity for oxygen or hydrogen" (lines 25-30).
Date: September 15, 1896
Creator: Eldridge, Hilliary
Object Type: Patent
System: The Portal to Texas History
Railroad Switch. (open access)

Railroad Switch.

Patent for a new and improved railroad switch. This design "consists in securing the short switch-rail to a long guard-rail, instead of pivoting it to the end of the sliding-rail or supporting-plate, the said guard-rail having the end remote from the short switch-rail spiked securely to the track, and the end carrying the switch-rail provided with lever or other moving devices whereby the switch-rails are thrown" (lines 21-29).
Date: January 15, 1884
Creator: Crowley, John H.
Object Type: Patent
System: The Portal to Texas History
Non Refillable Bottle (open access)

Non Refillable Bottle

Patent for non refillable bottle. Illustration included.
Date: November 15, 1904
Creator: Conlon, Charles H.
Object Type: Patent
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

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.
Object Type: Patent
System: The Portal to Texas History