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

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Updated: 5 hours 5 min ago

US Patent: 529,632

5 hours 5 min ago
Wrench Patentee: William N. Smith - Santa Cruz CA Granted:1894-11-20

Quick adjust combination nut and pipe wrench. The adjustment is held by a spring-loaded toothed slide that meshes with grooves on the side of the shank of the movable jaw. A summary of the patent appeared in the Sept. 15, 1895 HEATING AND VENTILATION.
This is one of 59,599 patents currently in the database at datamp.org

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US Patent: 1,052,231

September 23, 2018 - 4:30am
Vehicle Patentee: Philip Forschler - New Orleans LA Granted:1913-02-04


This is one of 59,598 patents currently in the database at datamp.org

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US Patent: 1,169,833

September 21, 2018 - 4:18am
Combination Wrench and Wire Stretcher Patentee: Lyman M. Kanavel - Killbuck OH Granted:1916-02-01

A groove in the roller jaw provides a grip for fence wire. The curve on the back side of the fixed jaw is the fulcrum for the wire stretcher function.
This is one of 59,588 patents currently in the database at datamp.org

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US Patent: 499,424

September 18, 2018 - 2:24am
Resawing-machine Patentee: Andrew J. Haskell - San Francisco CA Granted:1893-06-13


This is one of 59,578 patents currently in the database at datamp.org

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CA Patent: 11,233

September 12, 2018 - 1:29am
Improvements in Radiators Patentee: Birdsill Holly - Lockport, Niagara County NY Granted:1880-05-10


This is one of 59,571 patents currently in the database at datamp.org

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US Patent: 248,045

September 11, 2018 - 1:19am
Handsaw Patentee: Lewis Lawson - New York NY Granted:1881-10-11

An example with this patent date appeared on ebay
This is one of 59,567 patents currently in the database at datamp.org

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US Patent: 1,693,755

September 10, 2018 - 1:18am
Tire Chain Tool Patentee: John P. Hotz - Boston MA Granted:1928-12-04

Tongs type tool with separate jaws for spreading and closing links of traction chains for vehicle wheels. The closing jaw section includes an adjustable stop to help position the link. A known example is marked, "WORDEN CHAIN TOOL // PAT NO. 1693755." Hotz's Canadian patent CA-296,492 "SUPPORT FOR TIRE CHAINS" was assigned to the Worden Hotz Company of Boston, MA.
This is one of 59,563 patents currently in the database at datamp.org

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US Patent: 73,141

September 8, 2018 - 12:50am
Improved Shoemaker's Hammer Patentee: Jacob Vigeant - Marlboro MA Granted:1868-01-07

Sample found on ebay
This is one of 59,560 patents currently in the database at datamp.org

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US Patent: 892,327

September 4, 2018 - 11:38pm
Nut and Pipe Wrench Patentee: David Stewart - Schnectady NY Granted:1908-06-30

The patent claims a number of specific details of construction of the fixed jaw and adjustable jaw structure. In the design shown here, the movable jaw is slid on from the end, and the fixed jaw structure is subsequently attached. Parallel patent 892,326 sets forth additional options for those parts. 1908 trade journals announce production of the wrench.
This is one of 59,546 patents currently in the database at datamp.org

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US Patent: 2,625,797

September 3, 2018 - 11:36pm
Hydraulic eductor valve Patentees: Henry Harold Poort - Grand Haven MI , James H. Shaver - Grand Haven MI Granted:1953-01-20


This is one of 59,539 patents currently in the database at datamp.org

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US Patent: 1,322,722

September 2, 2018 - 11:31pm
Wrench Patentee: Daniel E. Norris - Robinson IL Granted:1919-11-25

Ratchet wrench with the ratchet head held in "forks" of the handle, "distance pieces"- one of which is the pivot for the pawl and the other the base for the spring, and the assembly held together by rivets.
This is one of 59,523 patents currently in the database at datamp.org

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US Patent: 734,738

September 1, 2018 - 11:09pm
Hammer for Tinner's Use Patentee: Ashton Thomas Nelson - Wilton Junction IA Granted:1903-07-28

The special feature of the hammer is the beveled flange designed to facilitate work on tinned roofing panels. A known example is marked, "Pat'd July 28 1903 A.T. Nelson Wilton, Iowa." Nelson was advertising the NELSON ROOFING HAMMER in 1905 and 1906 trade journals. An article about Ashton Thomas Nelson, including the hammer patent, appeared in the September, 2018 THE GRISTMILL.
This is one of 59,522 patents currently in the database at datamp.org

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US Patent: D135,688

August 31, 2018 - 11:08pm
Design for a milling machine Patentee: Rudoph F. Onsrud - Chicago IL Granted:1943-05-18


This is one of 59,511 patents currently in the database at datamp.org

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US Patent: 319,260

August 29, 2018 - 10:22pm
Governor for Steam and Fluid Engines Patentee: Albert L. Ide - Springfield, Sangamon County IL Granted:1885-06-02


This is one of 59,508 patents currently in the database at datamp.org

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US Patent: 242,992

August 27, 2018 - 8:17pm
Locomotive Engine Patentee: Ephraim Shay - Haring, Wexford County MI Granted:1881-06-14

This is the patent for the Shay Geared Logging Locomotive.
This is one of 59,481 patents currently in the database at datamp.org

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