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

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Updated: 8 hours 6 min ago

CA Patent: 1,002,332

8 hours 6 min ago
Coupler for bench grinder Patentee: Grover P. Holther Jr. - Mount Prospect IL Granted:1976-12-28


This is one of 59,050 patents currently in the database at datamp.org

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US Patent: 1,159,248

July 17, 2018 - 8:40am
Chuck Patentee: Alexander P. Morrow - Elmira NY Granted:1915-11-02


This is one of 59,049 patents currently in the database at datamp.org

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US Patent: 187,896

July 16, 2018 - 8:40am
Hand Punch Patentee: Henry F. Osborne - Newark NJ Granted:1877-02-27

Hand punch with an eccentric adjustable guide pin to insure correct registration of holes corresponding to the shape of a belt splicing hook.
This is one of 59,045 patents currently in the database at datamp.org

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US Patent: 493,857

July 15, 2018 - 8:24am
Drill-chuck Patentee: Charles E. Billings - Hartford CT Granted:1893-03-21


This is one of 59,043 patents currently in the database at datamp.org

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US Patent: 105,583

July 13, 2018 - 7:00am
Improvement in Can-Openers Patentee: William W. Lyman - West Meriden, New Haven County CT Granted:1870-07-19


This is one of 59,036 patents currently in the database at datamp.org

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GB Patent: 187,802,766

July 12, 2018 - 6:03am
Machine for Planing Tops, Bottoms and Sides of Blind Laths Patentee: Richard Shill - London England Granted:1878-00-00

This was patented in 1878, but the date is unknown.
This is one of 59,028 patents currently in the database at datamp.org

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GB Patent: 182,705,502

July 10, 2018 - 5:48am
Certain Machinery for Preparing Boards for Flooring and Other Similar Purposes Patentee: Malcom Muir - Glasgow Scotland Granted:1827-06-01


This is one of 59,024 patents currently in the database at datamp.org

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US Patent: 1,363,274

July 7, 2018 - 4:00am
Self Adjusting Wrench Patentee: James Webb Saffold - Cleveland OH Granted:1920-12-28

The geometry of the swinging loop ends and the lobes on the handle extending into those loops are such that the wrench will bear on the sides of hexagon nuts and bolt heads. The design is intended to provide a type of ratchet action, and to lessen the chance of damaging the corners of hexagon nuts and bolts. Produced as the VIMCO wrench, and frequently imitated after the patent expired.
This is one of 59,021 patents currently in the database at datamp.org

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US Patent: 1,347,722

July 4, 2018 - 1:55am
Nut-lock Patentee: Edwin E. Thomas - Portland OR Granted:1920-07-27

The inventor had been a prolific designer of sawmill machinery.
This is one of 58,993 patents currently in the database at datamp.org

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US Patent: 468,911

July 3, 2018 - 1:52am
Ratchet brace Patentee: Gardiner L. Holt - Springfield MA Granted:1892-02-16

"My invention relates to that class of bit-braces known as "ratchet-braces," in which means are provided for causing the bit-carrying head to revolve with the brace in either direction, as may be desired; and the object of the invention is to improve the construction of such braces in such manner as to increase the strength of the engagement of the pawls with the ratchet, to prevent lost motion between said parts, and to augment the compactness and efficiency of the means for retracting the pawls."
This is one of 58,992 patents currently in the database at datamp.org

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US Patent: 1,365,779

July 1, 2018 - 1:33am
Indicating Calipers Patentee: Thomas E. Grove - Dayton OH Granted:1921-01-18

"Micro-indicating" calipers: "The instrument is designed to indicate slight variations of measurement upon a magnified scale." A contemporary trade journal write-up describes the tool's use in conjunction with a micrometer to verify the internal dimensions of holes. A known example is marked, "Grove Mfg. Co. Dayton O. Pat. Pend."
This is one of 58,975 patents currently in the database at datamp.org

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GB Patent: 191,118,612

June 29, 2018 - 12:53am
Improvements in boring, grinding and the like machine tools Patentee: Charles William Bate Crossley - Manchester England Granted:1912-04-18

"Round holes, enlarging and trueing. - A boring, grinding, or like machine tool comprises a grinding-bar b attached to a rotating machine spindle; disposed in this bar is an eccentric sleeve g containing a grinding-spindle driven at the end i. The eccentric sleeve is angularly adjusted by means of a screw h to determine the radial position of the grinding-wheel f with respect to the bar."
This is one of 58,971 patents currently in the database at datamp.org

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US Patent: 283,844

June 27, 2018 - 11:45pm
Bit-stock Patentee: Charles H. Amidon - Buffalo NY Granted:1883-08-28


This is one of 58,960 patents currently in the database at datamp.org

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US Patent: 1,250,826

June 26, 2018 - 11:41pm
Lathe clutch mechanism Patentee: Edmund Feilhauer - Cincinnati OH Granted:1917-12-18


This is one of 58,960 patents currently in the database at datamp.org

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GB Patent: 179,902,340

June 24, 2018 - 10:34pm
Method of manufacturing and constructing steam engines Patentee: William Murdoch - Redruth, county Cornwall England Granted:1799-08-29

This patent covers the "steam wheel", a predecessor to the steam turbine. The inventor was an employee of Boulton & Watt. Many of Murdoch's inventions were patented by Watt, most notably the sun and planet gear system of patent GB-178,101,306.
This is one of 58,960 patents currently in the database at datamp.org

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US Patent: 236,692

June 23, 2018 - 10:22pm
Screw-Driver Patentee: Samuel B. Peakman - New York NY Granted:1881-01-18

An example of this patent turned up on ebay. The seller's pictures used by permission.
This is one of 58,955 patents currently in the database at datamp.org

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US Patent: 1,169,867

June 22, 2018 - 9:56pm
Metal-working machine Patentee: William Reynolds - Paterson NJ Granted:1916-02-01


This is one of 58,955 patents currently in the database at datamp.org

Categories: DATAMP