UNT Libraries Government Documents Department - 12 Matching Results

Search Results

2007 Economic Census Map: Houston-Baytown-Huntsville, Texas Combined Statistical Area

Map showing the area of the Houston-Baytown-Huntsville, Texas Combined Statistical Area for which the U.S. Census Bureau collected data during the 2007 economic census.

Date: 2007

Creator: United States. Bureau of the Census.

Item Type: Map

Apparatus for Treating Hydrocarbons.

Patent for an improved apparatus for treating hydrocarbons. This apparatus is for treating comparatively heavy petroleum and other hydrocarbon oils and their distillates and derivatives, in order to produce from such heavy oils a large yield of gasoline or other light, easily volatile liquids. This apparatus will be a safe and efficient way to produce large yield of gasoline and light hydrocarbon liquids from heavy oils and will be free from trouble arising from the accumulation of carbon.

Date: August 5, 1919

Creator: Andrews, Benjamin & Averill, Willard C., Jr.

Item Type: Patent

Apparatus For Treating Petroleum.

Patent for an apparatus that is used to treat petroleum and other heavy hydrocarbons in order to produce gasoline and other liquid fuels.

Date: October 28, 1919

Creator: Andrews, Benjamin & Averill, Willard C., Jr.

Item Type: Patent

Car-Coupling.

Patent for an invention for train cars which "relates to car couplings, and especially to that class of the same which effect an automatic coupling by means of a gravity-hook," (lines 12-15) including instructions and illustrations.

Date: May 13, 1884

Creator: Washburn, Andrew Lynch & Journeay, Abram L.

Item Type: Patent

Combination Drill Bit and Drill Shank

Patent for "Improvements in Combination Drill-Bits and Drill-Shanks" (lines 6-7) including illustrations.

Date: December 30, 1919

Creator: Humason, Granville A.

Item Type: Patent

Engineer's Safety-Throttle for Locomotive Dry Pipes

Patent for improved safety mechanism for the dry pipe of a steam-powered locomotive engine.

Date: November 16, 1920

Creator: Hartman, John Wesley

Item Type: Patent

Improvement in the Methods of Baling and Packing Cotton

Patent for improvement in the methods of baling and packing cotton specifically optimizations in the packing and baling of cotton by avoiding all the mechanical appliances used in forming and securing bales of cotton, such as the press, canvas bagging, band, buckles, and bale-ties.

Date: July 18, 1876

Creator: Drake, James A. & Singer, Edgar C.

Item Type: Patent

Liquid Dispensing Apparatus.

Patent for "certain new and useful Improvements in Liquid Dispensing Apparatus" (lines 5-7) describing new improvements, including instructions and illustrations.

Date: November 28, 1916

Creator: Bradley, Richard C.; Kinnebrew, Lee; Eastham, J. Malley & Ireland, C. Frank

Item Type: Patent