Manufacturers Index - Harrington & Haskins; Edwin Harrington, Son & Co.
Harrington & Haskins; Edwin Harrington, Son & Co.
Philadelphia, PA, U.S.A.
Company Website: http://www.harringtonhoists.com/
Manufacturer Class:
Metal Working Machinery
This page contains information on patents issued to this manufacturer.
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USPTO's for finding information on machinery patents.
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220,074
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Sep. 30, 1879
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Improvement in devices for bending hooks
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Harry S. Haskins |
Philadelphia, PA |
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Improvement in devices for bending hooks
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John D. Landram |
Philadelphia, PA |
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220,144
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Sep. 30, 1879
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Improvement in hoisting-pulley apparatus
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Edwin Harrington |
Philadelphia, PA |
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272,431
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Feb. 20, 1883
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Hoisting-machine
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Edwin Harrington |
Philadelphia, PA |
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301,119
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Jul. 01, 1884
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Overhead railway
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Harry S. Haskins |
Philadelphia, PA |
Improvement to patent 272,431. |
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Overhead railway
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John Sprogell |
Philadelphia, PA |
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301,177
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Jul. 01, 1884
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Overhead railway
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Harry S. Haskins |
Philadelphia, PA |
Improvements to patent 272,432, "more specifically in providing a turn-table and branch tracks with suitable locks, which are actuated by the movement of said turn-table, so that when the turn-table is in line with one of the branch tracks the lock of said end shall be open; further, in providing the turn-table rail with a lock to prevent the carriage running off the said rail during the movement of said turn-table and which lock is automatically opened when the said turn-table rail is in line with one of the branch tracks..." |
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Overhead railway
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John Sprogell |
Philadelphia, PA |
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732,050
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Jun. 30, 1903
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Lathe
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Thomas Craig |
Philadelphia, PA |
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747,563
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Dec. 22, 1903
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Chain-guard
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Peter Mullen |
Philadelphia, PA |
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760,908
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May. 24, 1904
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Hoisting mechanism
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Peter Mullen |
Philadelphia, PA |
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776,554
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Dec. 06, 1904
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Lathe
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Robert F. Scott |
Philadelphia, PA |
This patent formed the basis of "Harrington's Extension Lathe". The mechanism is a sliding-bed lathe that serves as a gap-bed lathe and also allows the extended bed to extend far beyond the base for turning very long workpieces between centers. |
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788,606
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May. 02, 1905
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Hoisting mechanisms
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Peter Mullen |
Philadelphia, PA |
Seen on a Harrington 10-ton chain hoist. |
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Hoisting mechanisms
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Robert F. Scott |
Philadelphia, PA |
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973,709
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Oct. 25, 1910
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Grapple
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Robert F. Scott |
Philadelphia, PA |
"This invention is a grapple designed primarily for use in handling ammunition. Its leading object is to provide improved means for quickly and securely grappling shells..." |
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1,090,299
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Mar. 17, 1914
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Bolt-cutting machine
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Robert F. Scott |
Philadelphia, PA |
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Bolt-cutting machine
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Arthur M. Harrington |
Philadelphia, PA |
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1,097,678
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May. 26, 1914
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Multiple-spindle drill
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Robert F. Scott |
Philadelphia, PA |
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1,452,172
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Apr. 17, 1923
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Drill-spindle-adjusting mechanism
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Robert F. Scott |
Philadelphia, PA |
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