Latest Addition to the Directory of American Tools and Machinery Patents (DATAMP)

Subscribe to Latest Addition to the Directory of American Tools and Machinery Patents (DATAMP) feed
Recently added patents
Updated: 5 hours 38 min ago

US Patent: 662,748

January 17, 2019 - 3:06pm
Tool Handle Patentee: Winthrop E. Wood - Boston MA Granted:1900-11-27

A pocket tool which can be carried "closed" and quickly placed in operative position. A stud on the shank of the working portion of the tool slides in a slot. A friction spring provides tension to help keep the working portion of the tool in position. An outer tube encloses handle. The drawings show the working portion as a screwdriver; the specifications note other small tools which could employ this handle structure. Appears in a 1904 WESTERN ELECTRIC Co. catalog as the "Up-To-Date" pocket screwdriver in three sizes.
This is one of 60,476 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 965,716

January 16, 2019 - 2:49pm
Farrier's nail driving hammer Patentee: William J. Kelly - Denver CO Granted:1910-07-26

One of these appeared in a Martin J. Donnelley auction
This is one of 60,475 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 1,562,543

January 13, 2019 - 1:42pm
Screw Driver Patentee: Seth J. Cox - Franklin PA Granted:1925-11-24

This is an improvement to Patent 1412550, the improvement is the ability of the screw engaging jaws to be moved to a non engaged position, allowing screws to be removed as well as completely tightened. This Patent was farther improved in Patent 2185910 also by Seth Cox. Samples marked,"S.J.Cox,Franklin,PA. Pat.No.1562543."
This is one of 60,470 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 831,477

January 12, 2019 - 1:41pm
Tool Patentee: Arthur Sandall - York NE Granted:1906-09-18

Pliers type tool with wire cutting notches and gripping surfaces near the pivot. One jaw has a tapered opening with one flat face and one ridged face; this opening providing a wire gripping area.
This is one of 60,470 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 958,807

January 11, 2019 - 1:33pm
Tool Patentee: Niels Martin Hansen - Dundee MI Granted:1910-05-24

Side cutter jaw structure for parallel jaw pliers. The underlying pliers structure is based on Allen DeVilbiss, Jr. patent no. 753,374. May and June 1910 MACHINERY articles about the manufacture of DeVilbiss pliers show stages in the manufacture of these cutter jaw parts. See the DATAMP entry for patent 753,374 for views of the pliers and links to the MACHINERY articles.
This is one of 60,465 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 920,008

January 7, 2019 - 12:18pm
Cork Puller Patentees: Albert Baumgarten - Freeport IL , Johanna Baumgarten - Freeport IL Granted:1909-04-27

This patent was awarded to Albert Baumgarten posthumously
This is one of 60,446 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 1,117,945

January 6, 2019 - 11:36am
Nutcracker Patentee: Foster W. Fort - Waco TX Granted:1914-11-17

Bench or table top clamp nutcracker. fixed and movable cup faced jaws brought together by a screw. The patent shows a couple of options for connecting the screw and movable jaw. Described as an "un-named" new product in Febr. 1914 POPULAR MECHANICS, and appears as the PERFECTION NUT CRACKER in subsequent advertisements in household journals, etc.
This is one of 60,444 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 668,467

January 5, 2019 - 11:35am
Pipe Wrench Patentee: Moses Z. Viau - Plattsburg NY Granted:1901-02-19

This self-adjusting pipe wrench has two bearing areas in the "hook jaw" and multiple gripping areas on the shank to accommodate different ranges of pipe sizes. Ken Cope's "American Wrench Makers 1830-1930" cites a 1901 SCIENTIFIC AMERICAN notice as evidence Viau produced the wrench. In another 1901 issue, Viau was advertising to sell the patent or produce the wrench on a royalty basis. The ad noted samples were available.
This is one of 60,439 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 551,967

January 4, 2019 - 11:12am
Raisin Seeder Patentee: Charles M. Horton - Reading MA Granted:1895-12-24

Produced by Horton as the GEM RAISIN SEEDER. In operation the seeds would stick to the rubber roller, while the raisin pulp was pressed into the grooves and scraped out by the comb teeth. The patented features are those parts of the design to facilitate disassembly for cleaning and subsequent reassembly.
This is one of 60,439 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 813,036

January 3, 2019 - 10:57am
Saw Clamp Patentee: Charles W. Cardwell - Jamaica NY Granted:1906-02-20

Saw vise with an elongated jaw and the clamping bar eccentrically mounted. Examples are marked "ALL STEEL NEVERBREAK / PATENTED FEB. 20, 06 / CLIPPER TOOL CO, BUFFALO, N Y".
This is one of 60,428 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 922,080

December 31, 2018 - 10:13am
Micrometer Screw Driver Patentee: George W. Bowers - Somerville CT. Granted:1909-05-18

This Patent relates to screw drivers and the ability to measure the amount of rotation of the screw. This is is especially important in adjusting the timing screws,( or mean time screws) on a watch balance wheel. The screws regulate or adjust the the arc or balance of the wheel. Sold as K&D #423 Micrometer screwdriver, a small micrometer on the blade keeps track of micro rotations on the blade. Sample marked "K&D Patented May 18, 09"
This is one of 60,394 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 742,238

December 30, 2018 - 9:57am
Jar Holder Patentee: Alfred Roesch - Bridgeport CT Granted:1903-10-27

The patent is described as an improvement on James B. Erwin's Feb. 11, 1902 patent (no. 693,353). Roesch's improvement puts the clamping levers outside the circumference of the spring bands so that the levers do not touch the jar and cause it to break. Both patent dates are cited on a metal band type jar wrench (some also marked WOLVERINE SUPPLY CO). It was advertised in 1905 as the jar holder for the WOLVERINE FRUIT JAR HOLDER AND OPENER from Wolverine Supply Co., Pittsburgh, PA. Wolverine Supply Co. subsequently was the assignee for Sept. 13, 1910 pat. no. 970,365.
This is one of 60,388 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: RE5,737

December 29, 2018 - 9:57am
Improvement in lubricators Patentee: John R. Sees - Philadelphia PA Granted:1874-01-20


This is one of 60,384 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 2,123,393

December 27, 2018 - 8:33am
Tool Handle Patentee: John F. Windsor - Fairfield, Fairfield County CT Granted:1938-07-12

Handle construction for screwdrivers, chisels and the like where the end of the handle is capable of withstanding hammer or mallet blows, and the force of such blows is transmitted through an interior metal block to the shank. The end portion may be made of a non-conducting material such as pyralin. Sample marked 'BLUE POINT Kenosha. WIs. Made in the U.S.A. Pat.No. 2123393' Belivied to been made by Brigeport Manufacturing for Snap-On
This is one of 60,367 patents currently in the database at datamp.org

Categories: DATAMP

CA Patent: 35,643

December 26, 2018 - 8:27am
Vehicle Wrench Patentee: John A. Miller - St. Louis MO Granted:1890-12-20

The key feature of the patent is sockets with larger sizes at the opening, and smaller sizes within. The principle could apply to "box end" wrenches as well as detachable sockets. Corresponding U.S. patent 445,451 was granted Jan. 27, 1891. Both patent dates were noted prominently in advertising. Corresponding British patent GB-189104362 was registered March 11, 1891. Malleable iron "carriage wrenches" in a range of sizes were produced based on this patent. Miller also advertised a ratchet wrench.
This is one of 60,362 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 711,422

December 23, 2018 - 7:21am
Wrench Patentee: Charles E. Greenlief - Newton IA Granted:1902-10-14

The offset in the handle places the center of the "T" in line with the socket. A spring clip on the socket allows allows interchangeability, and the sockets can face toward or away from the handle. SUCCESS Ratchet Cylinder Tooth Wrench ads starting August 1902 show this form of wrench head. The ratchet portion is noted, but is not described in detail; it probably is a refinement of the J.P. Johnson patent no. 601,146.
This is one of 60,332 patents currently in the database at datamp.org

Categories: DATAMP

US Patent: 1,924,545

December 22, 2018 - 7:11am
Drop hammer Patentees: William H. J. Fitzgerald - Braintree MA , Reginald P. Fitzgerald - Braintree MA Granted:1933-08-29

"Drop hammers are used largely for producing die work which requires such control of the hammer that a proper and accurate blow shall be struck, that no 'shivering' of the hammer shall take place on impact and a secondary blow avoided; otherwise, the pattern work of the die will be destroyed. The present invention comprises certain improvements upon the drop hammer construction disclosed in Patent No. 1,722,506, Henning G. Sahlin, granted July 30, 1929."
This is one of 60,322 patents currently in the database at datamp.org

Categories: DATAMP