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All Patents of Type: manufacturing
Patents 1 - 15 of 39
First set of recordsNext set of recordsLast set of records
1XJul. 31, 1790S. HopkinsMaking Pot And Pearl Ashesmanufacturing potash
37XJan. 02, 1792B. FolgerCleansing whale oilfiltering fluids
57XFeb. 02, 1793R. LeslieConstruction and tone of bellsdistilling
58XFeb. 28, 1793R.R. SaltonstallManufacturing rhus or sumachdistilling
61XApr. 29, 1793E. RyanFurnace for pot and pearl ashesmanufacturing potash
62XMay 01, 1793R.R. SaltonstallManufacturing rhus or sumachdistilling
75XMar. 31, 1794J. BiddisImprovement in manufacturing paperdistilling
81XJun. 16, 1794G. ParkinsonManufacturing cordagedistilling
123XNov. 16, 1796E. RyanImprovement in manufacturing pot ashmanufacturing potash
131XNov. 17, 1796W. FrobisherManufacturing pot ashmanufacturing potash
281XApr. 07, 1800C. Hoyt, Jr.Machine for manufacturing sumackdistilling
342XSep. 19, 1801T. PowerManufacturing potashmanufacturing potash
583XNov. 01, 1804T.M. Corby, D. McMullenMachine for cooling and filtering water etc.filtering fluids
700XJun. 24, 1806B.D. Galpin, J. Smith, S. McCombsFiltering impure water, wine, etc.filtering fluids
1,599XOct. 29, 1811S.W. Jr.Mode of washing white leadmanufacturing potash
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