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 = '118') AND (category.subclass = '416') ORDER BY category ASC, date, patent, type |
Total of 2 patents found where: Class is '118'; Subclass is '416';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
Manufacturing | ||||||
U | 2,209,006 | July 23, 1940 | Coating Apparatus Machine to dip insulators in glaze. |
SMITH, William A. |
Manufacturing | The Ohio Brass Co. |
U | 2,821,158 | January 28, 1958 | Machine for Coating Bell-Shaped Electrical Suspension Insulators Machine for automatically glazing suspension insulators and applying a sanded band for cementing the metal cap. |
BROWN, Leonard MIGLIORINI, Vincent T. LENZ, Carl SMITLEY, Wayne C. |
Manufacturing | General Electric Co. |
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