| SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '264') AND (category.subclass = '614') ORDER BY date ASC, patent, type |
Total of 4 patents found where: Class is '264'; Subclass is '614';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1904 | ||||||
| U | 774,765 | November 15, 1904 | Art and Method of Manufacturing Earthenware Insulators Earthenware, manufacture of |
LOCKE, Fred M. |
Earthenware | |
| 1905 | ||||||
| U | 790,214 | May 16, 1905 | Method of Manufacturing High Potential Earthenware Insulators Earthenware, manufacture of hi-potential insulators |
LOCKE, Fred M. |
Earthenware | |
| 1942 | ||||||
| U | 2,301,939 | November 17, 1942 | Production of Ceramic Bodies Press to make a very dense porcelain body. It is neither wet process nor dry process porcelain. The product was called ""Prestite"" porcelain. |
FISCHER, Eugene H. |
Press | Westinghouse Electric & Mfg. Co. |
| 1944 | ||||||
| U | 2,346,620 | April 11, 1944 | Method of Forming Insulator Bodies Method to mix water with dry ingredients to form clay of the proper water content |
SKIPPER, Edward M. |
Clay | Locke Insulator Corp. |
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