14 Matching Results

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Rotary Churn. (open access)

Rotary Churn.

Patent for a manual rotary churn with two dasher blades, including instructions and illustrations.
Date: March 12, 1912
Creator: Martin, Harry T.
System: The Portal to Texas History
Tire-Tightener (open access)

Tire-Tightener

Patent for a tire tightener. Illustrations included.
Date: February 21, 1911
Creator: Slay, Frank F. & Henry, Squire M.
System: The Portal to Texas History
Traction-Engine Frame and Engineering Device. (open access)

Traction-Engine Frame and Engineering Device.

Patent for a frame and steering device for traction engines allowing easier movement and control of a traction device because the engine can be steered through one of the traction wheels.
Date: May 30, 1911
Creator: Slimp, William L.
System: The Portal to Texas History
Switch. (open access)

Switch.

Patent for a switch for trolley lines that can be triggered from inside the trolley car.
Date: December 12, 1911
Creator: Torrence, Otis M.
System: The Portal to Texas History
Reversible Steam-Engine. (open access)

Reversible Steam-Engine.

Patent for "reversible reciprocating steam engines, its objects being to simplify the mechanism for reversing the valve, and to provide a valve in which the area of steam pressure upon its face is reduced to the minimum." (Lines 14-19) Includes instructions and illustrations.
Date: July 24, 1894
Creator: Lester, Frank
System: The Portal to Texas History
Rotary Valve for Steam-Engines. (open access)

Rotary Valve for Steam-Engines.

Patent for a rotary valve for steam-engines that has a simplified valve and less pressure on the valve. It has a rocking valve that is "operating within a steam chest independent of the cylinder and connected therewith by pipes entering through the cylinder ends, a cam movement being provided for rocking the valve" (lines 21-25).
Date: September 18, 1894
Creator: Lester, Frank
System: The Portal to Texas History
Port-Regulating Valve. (open access)

Port-Regulating Valve.

Patent for a port-regulating valve. It is meant for use in steam-engines and regulates the steam in engines that the inventor had previously patented (No. 523,360). "The invention consists of a slide-valve for covering each port leading from the steam-chest to the rock-valve, with means for operating such slide-valves from the shaft controlling the rock-valve, and a link movement for adjusting the throw of the slide-valves and which is under the control of the engineer" (lines 21-28).
Date: August 27, 1895
Creator: Lester, Frank
System: The Portal to Texas History
Header Device. (open access)

Header Device.

Patent for a header device intended for the cutting of maize, sorghum, kafir, and other crops so that the plant heads land on a header platform without too much stalk accompanying the head.
Date: July 21, 1914
Creator: Montgomery, Carroll Hinckley
System: The Portal to Texas History
Automatic Flame-Regulator (open access)

Automatic Flame-Regulator

Patent for a simple mechanical means of automatically maintaining a desired temperature within an incubator lamp.
Date: September 25, 1917
Creator: Krizan, Joseph, Jr.
System: The Portal to Texas History
Driving Mechanism for Tractors (open access)

Driving Mechanism for Tractors

Patent for an invention relating to the engines of tractors that provides "improved transmission gearing for controlling the movements of the machine." (lines 17-18)
Date: August 19, 1913
Creator: Ingram, Joseph D.
System: The Portal to Texas History
Engine-Starter (open access)

Engine-Starter

Patent for improvements to engine starters that enable the driver of an automobile to start an engine by applying pressure to foot pedals.
Date: June 24, 1913
Creator: Morgan, August C.
System: The Portal to Texas History
Transmission Mechanism. (open access)

Transmission Mechanism.

Patent for an improved transmission mechanism for changing speed of tractors and other machines, with illustrations. The improvement is in the arrangement and assembly of the component parts to improve efficiency and to provide several different forward speeds as well as a reverse speed.
Date: October 9, 1917
Creator: Ingram, Joseph D.
System: The Portal to Texas History
Draft-Gear. (open access)

Draft-Gear.

Patent for improvements in draft-gear by using a drive wheel and an arcuate guide to maintain the line of draft from the load to the center of the main or drive axle irrespective of the position of the load relative to the engine (lines 17-20). Illustration is included.
Date: July 8, 1913
Creator: Ingram, Joseph D.
System: The Portal to Texas History
Traction-Engine. (open access)

Traction-Engine.

Patent for an improved agricultural traction engine with unique driving wheels.
Date: February 3, 1914
Creator: Ingram, Joseph D.
System: The Portal to Texas History