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Description: Patent for an air brake governor improvement that regulates the pressure of fluid or air in the braking system as to prevent it from braking with too much pressure.
Date: July 10, 1906
Creator: Williams, L. F.


Description: Patent for a lawn rocker improvement that provides swing and is durable and inexpensive.
Date: July 17, 1906
Creator: Coffy, I. M.


Description: Patent for a rack to be used in refrigerator rail cars for the transportation of produce. Illustrations included.
Date: March 20, 1906
Creator: Coleman, John C. & Kessel, Edward W.

Abdominal Supporter.

Description: Patent for a new and improved abdominal supporter. This design "consist[s] of the waist-belt, the abdominal sector-shaped pads hung from the waist-belt by elastic straps, the straps buttoned to the belt behind and to the bottom of the abdominal pads in front, the side straps connecting the abdominal pads with the pieces at the back, and the front strap connecting the two abdominal pads together with the shoulder-straps" (lines 70-79).
Date: December 25, 1888
Creator: Gray, Harriet N.

Abdominal Supporter.

Description: Patent for a new and improved supporter for the abdomen during pregnancy. This design "consists of an abdominal sack for the support of the abdomen in pregnancy, which is contrived with supporting-bands adapted for supporting it from the shoulders of the wearer, where the weight can be best sustained, and so as to entirely avoid the belt commonly used, and thus relieve the stomach and liver from the pressure and irritation which it produces" (lines 7-15).
Date: September 11, 1883
Creator: Galney, Augustus.

Abstract-Book for County Records, &c.

Description: Patent for a "book leaf or page for abstracting county and like records" (lines 12-14) with illustrations included.
Date: February 3, 1903
Creator: Lutz, John E.


Description: Patent for improvement in account-books by “dispensing a multiplicity of books in keeping accounts and to devise means for combining in one book and upon a single page thereof the features of the ledger, day-book, bill-book and bills-receivable book, said page to be so provided with perforation as to admit of the detachment of certain parts, leaving intake theat part of the page that is intended for permanent record.” (Lines 13-22) Illustration is included.
Date: May 26, 1891
Creator: Huck, Henry J., Jr.

Account Book

Description: Patent for an account book that is to be used "to receive in condensed form the dates and other particulars when sums are due to and from a person or firm are payable" (p. 2).
Date: May 21, 1889
Creator: Goldberg, Samuel W. & Tillmann, Emanuel M.

Acetylene-Gas Apparatus.

Description: Patent for machines that generate acetylene gas for a "simple and comparatively inexpensive construction, in which the gas is thoroughly washed before entering the service-pipe and in which the water-supply to the generator is controlled by the gas pressure and the carbid kept at all times cooled by surrounding water" (lines 11-17).
Date: December 4, 1900
Creator: McGoldrick, William Hamilton

Acetylene-Gas Apparatus.

Description: Patent for improvements in “gas-machines in which the gas is generated from calcium carbid; in which the gas will be thoroughly washed before passing to the distributing-pipe, thus affording a pure white light, and further to provide a means for running off coal-tar that may gather on the top of the water in the machine.” (Lines 9-18) Illustration is included.
Date: December 11, 1900
Creator: Metzger, Frederick

Acetylene-Gas-Generating Apparatus.

Description: Patent for "improvements in apparatus for generating acetylene , and comprises the novel features." (lines 8-10) including illustration.
Date: July 24, 1900
Creator: Metcalf, Charles Wesley

Acetylene-Gas-Generating Lamp.

Description: Patent for a new and useful acetylene gas lamp, including instructions and illustrations.
Date: December 5, 1899
Creator: Eldridge, Hilliary

Acetylene Gas Generator

Description: Patent for "a new and useful acetylene-gas generator" (lines 5-6), including illustrations and instructions.
Date: April 26, 1898
Creator: Williams, B. F.

Acetylene-Gas Generator.

Description: Patent for "improvement in acetylene-gas generators, and has for one object to provide an exceedingly- simple apparatus of this description in which the pipes and connections are closed , and thus protected from freezing by the effects of atmospheric changes; and a further object of my invention is to remove the possibility of an explosion taking place during the manipulation of the machine." (lines 9-17) including illustrations.
Date: July 31, 1900
Creator: Hartman, Gus

Acetylene-Gas Generator.

Description: Patent for an improved acetylene-gas generator "which is kept in a relatively-cool condition by a surrounding bath of water and which generator is removable at will from the floatable bell of the tank. A further object is to prevent the waste carbid from dropping into the water of the expansible tank and to provide for the free discharge of gas from the generator [...] while [...] permitting the expeditious removal of said generator for the purpose of cleaning and recharging" (lines 13-24).
Date: January 25, 1900
Creator: Lindholm, Charlie M.

Acetylene-Gas Generator

Description: Patent for a large hopper-based device which generates acetylene gas.
Date: April 1, 1902
Creator: John B. Clopton

Acetylene-Gas Generator.

Description: Patent for an acetylene-gas generator that consists of “a suitable frame, a receptacle positioned within said frame, and a gas-bell” (lines 11-13), as well as a gasometer and carbide feed. As a result, the gas generator “will continually furnish dry, cool gas and at a substantially even pressure at all times” (line 22-24). Illustrations included.
Date: June 4, 1907
Creator: Hays, Parx Orr.

Acetylene Gas Generator

Description: Patent for improving acetylene gas generator designs with the use of an added specification in the form of a new apparatus. Illustrations and instructions are included.
Date: September 7, 1897
Creator: Taylor, George

Acetylene Gas Generator.

Description: Patent for a acetylene gas generator which combines "both a generator and a gasometer the parts of which are so arranged as to render the machine efficient and entirely automatic in action, as well as inexpensive of production." (lines 16-20) including illustrations.
Date: October 14, 1902
Creator: Reynolds, Pearl P. & Reynolds, Jerry J.

Acetylene-Gas Generator.

Description: Patent for an acetylene gas generator, which is chiefly operated by the fall of a gas-bell.
Date: July 29, 1902
Creator: Ray, Samuel W.

Acetylene-Gas Generator

Description: Patent for an improved acetylene-gas generator with a carbid receptacle on top of of the gasometer an an improved automated valve mechanism to assist with gas maintenance.
Date: 19
Creator: Loyer, William Joseph

Acetylene-Gas Generator

Description: Makes gas generators more automatic making them less dangerous and less likely to cause an explosion.
Date: August 25, 1903
Creator: Summerfield, John

Acetylene-Gas Generator.

Description: Patent for an improve to a Gas-Generator by controlling the liquid for decomposing the carbid in acetylene, by doing this the generation of gas is monitored and the waste of gas will not occur. This is an improvement to the Gas-Generator, this construct will have an automatic cut-off for the liquid-supply.
Date: August 25, 1903
Creator: Summerfield, John

Acetylene-Gas Generator.

Description: Patent for improving an Acetylene-Gas Generator. To eliminate a check valve between the generator and the gasometer, this will purify the gas and keep siphoning off of water from occurring.
Date: September 8, 1903
Creator: Gribble, William A.