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1,571 Matching Results
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Apparatus for Testing Errors of Refraction
Patent for an eye testing device that has a movable lens, a measuring device for correction, and two different cards with test type on them which are fed into the machine during testing for astigmatism and myopia, presbyopia, and hyperopia to determine the level of correction needed in glasses.
Date:
July 2, 1907
Creator:
Bahn, Gustavus Adolphus
System:
The Portal to Texas History
Churning Machine.
Patent for a churning machine that includes illustration and description of machine parts.
Date:
July 2, 1901
Creator:
McDaniel, Bill Homer
System:
The Portal to Texas History
Automatic Fire-Alarm
Patent for an electronic automatic fire alarm.
Date:
July 1, 1902
Creator:
Fred, Mason Kennedy
System:
The Portal to Texas History
Armored Tread for Pneumatic Tires
Patent for an armored tread pneumatic tires to protect from punctures. Illustrations included.
Date:
July 23, 1912
Creator:
Sims, Bona
System:
The Portal to Texas History
Air-Lift Pump
Patent for an air lift pump. Illustrations included.
Date:
July 30, 1912
Creator:
Holmgreen, Julius H. & Underwood, William H.
System:
The Portal to Texas History
Can
Patent for a can. Illustration included.
Date:
July 4, 1905
Creator:
Hanna, Richard
System:
The Portal to Texas History
Combined Cotton Chopper and Cultivator.
Patent for "useful improvements in combined cotton choppers and cultivators" (lines 10-11) including illustrations.
Date:
July 30, 1907
Creator:
Arnold, Willard M. ; W. M. Arnold
System:
The Portal to Texas History
Combination Hoe and Plow
Patent for a tool that can be used as either a hoe or a plow. Illustrations included.
Date:
July 16, 1912
Creator:
Willis, William B.
System:
The Portal to Texas History
Blind-Slat Adjustor
Patent for a blind slat adjuster which can hold the blinds in a variety of different positions.
Date:
July 27, 1909
Creator:
Hermann, Ernst W. F.
System:
The Portal to Texas History
Bat-Forming Apparatus.
Patent for a machine for use in making cotton batting which takes the cotton in by an air current and then distributes it evenly throughout the mold for the batting. Illustration is included.
Date:
July 2, 1907
Creator:
Haynes, Daniel
System:
The Portal to Texas History
Corn-Cropping Tool.
Patent for a manual corn harvesting tool in which a curved cutting knife is secured to a metal plate which fits into the hand(s) of the operator and is secured to the hand(s) by a strap and buckle. Use of this apparatus would replace the two separate actions of grasping the corn with one hand and cutting it with the other.
Date:
July 17, 1906
Creator:
Gordon, Frederick William
System:
The Portal to Texas History
Cleaning Implement.
Patent for a cleaning tool for cleaning chicken coops, sidewalk edges, or removing ice, which combines a scraper/digger, broom, and brush and which fits in small spaces.
Date:
July 14, 1908
Creator:
Kuettner, Max
System:
The Portal to Texas History
Corn - Husking Machine
Patent for improvements to the corn-husking machine with a butt-end cutter for the ears of corn. (lines 9-10)
Date:
July 3, 1900
Creator:
Werner, Anton, Jr.
System:
The Portal to Texas History
Artificial Fuel
Patent for artificial fuel made from coal.
Date:
July 19, 1904
Creator:
Thomas, Adelaide M.
System:
The Portal to Texas History
Cotton-Chopper.
Patent for a cotton chopper with rotating blades.
Date:
July 4, 1911
Creator:
Prokschl, Mathias
System:
The Portal to Texas History
Apparatus for Elevating and Cleaning Seed Cotton
Patent for an apparatus for elevating and cleaning seed cotton
Date:
March 5, 1900
Creator:
Reynolds, Richard J.
System:
The Portal to Texas History
Canning Apparatus
Patent for a boiling receptacle to efficiently boil water while food may be cooked above the boiling water. Illustrations included.
Date:
July 7, 1908
Creator:
Wilson, William Wharton
System:
The Portal to Texas History
Car Door Opener.
Patent for a car door opener, making it possible to open a car door without using a hammer or injuring oneself.
Date:
July 31, 1906
Creator:
Gibson, Levi D.
System:
The Portal to Texas History
Bale-Tie
Patent for a bale-tie fastener including illustrations.
Date:
July 31, 1900
Creator:
Cypher, David A. & Dayton, William L.
System:
The Portal to Texas History
Bucket-Jack
Patent for a bucket jack for holding paint buckets while painting on roofs or the sides of buildings which holds the bucket horizontal.
Date:
July 27, 1909
Creator:
Phinny, Christpher W.
System:
The Portal to Texas History
Clothes Pin
Patent for clothes pin. Illustration included.
Date:
July 4, 1905
Creator:
Grubbs, Marion F.
System:
The Portal to Texas History
Coffee Pot
Patent for a coffee pot. Illustration included.
Date:
July 24, 1906
Creator:
Peterman, Albert
System:
The Portal to Texas History
Buggy Bow Strings Attachment
Patent for improvements to buggy transportation carts. These improvements are primarily to prevent bending and breakage.
Date:
July 12, 1905
Creator:
Johnson, George A
System:
The Portal to Texas History
Animal-Trap
Patent for a small animal trap which consists of a cage suspended in the air on a spring system which drops when an animal disturbs the bait.
Date:
July 20, 1909
Creator:
Franks, Marion M.
System:
The Portal to Texas History