Resource Type

Improvement in Furnaces for Producing Hydrogen and Treating Ores (open access)

Improvement in Furnaces for Producing Hydrogen and Treating Ores

Patent for an improvement on heating furnaces, having an external water tank and steam tank and an orifice for the admission of steam from the water chamber.
Date: March 28, 1871
Creator: Morris, Joseph R.
Object Type: Patent
System: The Portal to Texas History
Propelling Attachment for Garden or Like Implements. (open access)

Propelling Attachment for Garden or Like Implements.

Patent for "a harness so constructed that it may be comfortably worn by the operator, male or female, and further to provide an adjustable attachment between the harness and the implement or machine, being so made that all the force or weight that the operator is capable of exerting may be brought to bear upon the implement to propel it, without unduly fatiguing the operator or rending the work disagreeable, and whereby further the work of propelling the implement or machine will be beneficial to the operator, inasmuch as the harness will compel the operator to assume an upright position and expand the lungs." (Lines 10-26) Includes instructions and illustrations.
Date: March 12, 1895
Creator: Wilson, Hampden
Object Type: Patent
System: The Portal to Texas History
Trephine. (open access)

Trephine.

Patent for an improved, simple, durable, inexpensive, and efficient trephine that is easily assembled and takes up little space. It retains better results than other trephines.
Date: March 21, 1893
Creator: MacKenzie, Joseph Alexander
Object Type: Patent
System: The Portal to Texas History
Cotton-Chopper. (open access)

Cotton-Chopper.

Patent for a new and useful cotton chopper, including instructions and illustrations.
Date: March 27, 1900
Creator: Brooks, John Joseph
Object Type: Patent
System: The Portal to Texas History
Ventilating Apparatus. (open access)

Ventilating Apparatus.

Patent for a ventilating apparatus for railway cars for the purpose of supplying air to railway car interiors without needing to open a window (which tends to also let in smoke and dust), including illustrations.
Date: March 6, 1906
Creator: Parrish, Ezekiel L.
Object Type: Patent
System: The Portal to Texas History
Safety-Stirrup. (open access)

Safety-Stirrup.

Patent for improvements in safety-stirrups by providing a device to release the rider’s foot safely if the rider accidentally fall from a horse; and means to retain the movable member of the stirrup in its closed or open position. (Lines 10-17) Illustration is included.
Date: March 22, 1904
Creator: Parrish, Ezekiel L.
Object Type: Patent
System: The Portal to Texas History
Cultivator-Plow. (open access)

Cultivator-Plow.

Patent for improvements in cultivator-plow through the positioning and connection of parts. Adjustable plow for different cultivating functions and different crops, especially for cotton. Illustration and materials recommendations included.
Date: March 18, 1902
Creator: Sheffield, James A. D. & Sheffield, John C.
Object Type: Patent
System: The Portal to Texas History
Primary Care Case Management Primary Care Provider and Hospital List: Southeast Texas, March 2009 (open access)

Primary Care Case Management Primary Care Provider and Hospital List: Southeast Texas, March 2009

List of Primary Care Case Management program approved primary care providers, hospitals, specialists, and family planning providers, located in the Southeast Texas area.
Date: March 2009
Creator: Primary Care Case Management
Object Type: Book
System: The Portal to Texas History
Valve. (open access)

Valve.

Patent for a valve for suction and blower conduits. This particular device is designed for use in cotton ginneries and saw mills.
Date: March 6, 1917
Creator: Guice, Bengamen R.
Object Type: Patent
System: The Portal to Texas History