Invention in the patent record
Priestley inventors.
Agricultural machinery and chemical processes in the published patent record. Each is credited to its named inventor or co-inventors. These are later Priestleys’ patents; the archive has not established a patent belonging to Joseph himself. Shared surnames alone do not establish descent.
John Henry Priestley
Mechanism for planting potatoes. The drawings identify the invention as a potato planter.
Read patent and drawings 1953 · US2660013APeanut vine pulling machineWilliam E. Priestley
Harvesting machinery designed to lift peanut vines and attached pods from the ground. Filed 4 December 1948; granted 24 November 1953.
Read patent and drawings 1978 · US4083929ABeneficiation of phosphate rockRobert Joseph Priestley
A process for upgrading phosphate rock. Filed 12 December 1973; granted 11 April 1978; assigned to Dorr-Oliver Inc.
Read patent and drawings 1979 · US4163750AProcess for the hydrogenation of a vegetable oilTimothy M. Priestley, Alfred J. Bird & John M. Winterbottom
Catalytic processing of edible oils. Granted 7 August 1979; assigned to Johnson, Matthey & Co., Limited.
Read patent and drawings