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Convertible Table. (open access)

Convertible Table.

Patent for a supporting device for folding tables or benches that is made up of slide-able pieces that can be folded up into a small area and then locked in place when set up.
Date: April 9, 1907
Creator: Richter, Franz Albin
System: The Portal to Texas History
Bin-Measuring Apparatus (open access)

Bin-Measuring Apparatus

Patent for a bin measuring apparatus for weighing dry products for sale quickly and accurately.
Date: April 20, 1909
Creator: Duke, Joseph S.
System: The Portal to Texas History
Combined Window-Awning And Fire-Protector. (open access)

Combined Window-Awning And Fire-Protector.

Patent for a collapsible window awning.
Date: April 9, 1912
Creator: Guy, Webb W. & Richards, Oliver L.
System: The Portal to Texas History
Wrench. (open access)

Wrench.

Patent for a wrench with an adjustable handle for multiple uses, with illustrations.
Date: April 10, 1906
Creator: Land, Henry Clay
System: The Portal to Texas History
Automatic Vehicle Brake (open access)

Automatic Vehicle Brake

Patent for automatic vehicle brake. The invention "provides a spring controlled rack cooperating with a gear or pinion or a vehicle wheel." (line 18-20). Illustrations included.
Date: April 4, 1911
Creator: Uhl, Edgar G.
System: The Portal to Texas History
Automatic Safety Attachment for Air-Brakes (open access)

Automatic Safety Attachment for Air-Brakes

Patent for an automatic safety attachment for air brakes that can be attached to trains and automobiles. Illustrations included.
Date: April 11, 1911
Creator: Hamilton, Ernest Hubbard
System: The Portal to Texas History
Billiard Cue (open access)

Billiard Cue

Patent for a billiard cue. This invention is designed with removable tips. Illustration included.
Date: April 4, 1911
Creator: Borroughs, John Vertie
System: The Portal to Texas History
Bit for Well-Drilling Apparatus. (open access)

Bit for Well-Drilling Apparatus.

Patent for a rotary expansion bit for use with well-drilling apparatuses. The bit can be adjusted without removing the well tubing, and can drill a hole large than the tubing in order to insert casing sections.
Date: April 22, 1902
Creator: Sloan, James W.
System: The Portal to Texas History
Axle Straightener (open access)

Axle Straightener

Patent for an axle straightener. Illustration included.
Date: April 14, 1908
Creator: Taylor, John Quincy
System: The Portal to Texas History
Automatic Train-Pipe Coupling (open access)

Automatic Train-Pipe Coupling

Patent for a train pipe coupling which connects automatically and does not come loose when the train is going around curves.
Date: April 12, 1910
Creator: Blair, Oliver C.
System: The Portal to Texas History
Railroad Joint and Chair (open access)

Railroad Joint and Chair

Patent for a railroad joint and chair. Illustration included.
Date: April 12, 1904
Creator: Hooper, William N. & Sunday, Thomas J.
System: The Portal to Texas History
Automatic Valve (open access)

Automatic Valve

Patent for an automatic valve, "designed to automatically control the water-supply to a suitable reservoir through the operation of a float (lines 9-11), with illustrations.
Date: April 25, 1905
Creator: Pinkerton, Henry S.
System: The Portal to Texas History
Acetylene-Gas Generator (open access)

Acetylene-Gas Generator

Patent for an acetylene-gas generator. Illustrations included.
Date: April 26, 1910
Creator: Moberley, Oscar R.
System: The Portal to Texas History
Clamp for Spirit-Levels. (open access)

Clamp for Spirit-Levels.

Patent for clamps for spirit levels that allow a spirit level to be attached directly to a straight edge so that one person could safely use both the straight edge and the spirit level simultaneously. Additionally, the clamp production is simple so it can be produced at a low cost.
Date: April 30, 1918
Creator: Bridgman, Jesse Everet
System: The Portal to Texas History
Centrifugal Brake Mechanism (open access)

Centrifugal Brake Mechanism

Patent for a centrifugal break mechanism, primarily designed as an automatic brake device for elevators travelling at an abnormal speed.
Date: April 16, 1918
Creator: Cobb, Albert C.
System: The Portal to Texas History
Book-Holding Device (open access)

Book-Holding Device

Patent for a book-holding device that will keep books open by holding back turned pages, with illustrations.
Date: April 20, 1920
Creator: Barry, David Redmond
System: The Portal to Texas History
Boring-Drill. (open access)

Boring-Drill.

Patent for detachable heads and plates for frusco-conical rollers that allow for space between drills, including illustrations.
Date: April 23, 1918
Creator: Reed, Clarence Edward
System: The Portal to Texas History
Chicken-Brooder (open access)

Chicken-Brooder

Patent for an improved Chicken-Brooder that provide an improved brooder especially for outdoor use or independently of poultry house.
Date: April 29, 1919
Creator: Murray, Richard R.
System: The Portal to Texas History
Churn. (open access)

Churn.

Patent for a churn with an improved "construction of working body churns, to effect a rapid production of butter, and to enable the temperature of the contents of the churn to be readily controlled and regulated to facilitate churning" (lines 11-15).
Date: April 11, 1893
Creator: Robert, Cumberland M.
System: The Portal to Texas History
Breast for Cotton-Gins. (open access)

Breast for Cotton-Gins.

Patent for improvements in breasts for cotton gins: " My invention relates to certain improvements in the construction of gin breasts for cotton gins and consists in providing in conjunction with a gin breast an adjustable "up-per circle" to facilitate the formation of the roll, to prevent the seed cotton from overflowing from the gin breast as the roll rotates, and preserve the proper degree of contact between the gin saws and the roll" (lines 12-20).
Date: April 10, 1894
Creator: Schulze, Andrew
System: The Portal to Texas History
Brake-Lever. (open access)

Brake-Lever.

Patent for a brake lever that is locked by an arc-shaped ratchet-bar. There is "a pawl loosely mounted on the rear side of said lever and bearing against said side when the brake is set, said pawl being spring-actuated to move parallel with said side and project beyond the same and contact radially with the ratchet-teeth between said yoke" (lines 25-30).
Date: April 7, 1896
Creator: Burkett, Joseph B.
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design utilizes "a draw-head, formed with the usual flaring mouth, and interior cavity. . . . the interior of the draw-head is narrowing from the mouth to the center of the pin, and widening from the latter backward. The object of this construction is, that it directs the entering link to the pin, and increases the power of resistance of the latter to the strain" (lines 23-33).
Date: April 5, 1881
Creator: Nuckols, William L.
System: The Portal to Texas History
Caster. (open access)

Caster.

Patent for an improved design for casters, otherwise known as "rollers for bedsteads and the like" (lines 15-16), including illustrations.
Date: April 19, 1881
Creator: Custer, George
System: The Portal to Texas History
Boot and Shoe Indicator. (open access)

Boot and Shoe Indicator.

Patent for a new and improved boot and shoe display. This design "is to provide an indicator for the use of retail dealers in boots and shoes, or other merchandise and wares, by which apparatus the stock can be kept with great accuracy and facility. To that end . . . an indicating-plate with slides [is included], which is to be attached upon the boxes, shelves, drawers, or other receptacles for the goods, as an indicator for showing what goods are contained in the receptacle" (lines 8-17).
Date: April 3, 1883
Creator: Woodlief, George T. & Dunn, George Roe
System: The Portal to Texas History