| 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 = '156') AND (category.subclass = '73.6') ORDER BY date ASC, patent, type |
Total of 4 patents found where: Class is '156'; Subclass is '73.6';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1926 | ||||||
| U | 1,574,883 | March 2, 1926 | Method and Apparatus for Cementing Insulators Machine to vibrate insulator to improve cementing of the parts |
HARVEY, William F. |
Manufacturing | |
| 1929 | ||||||
| U | 1,719,989 | July 9, 1929 | Method of and Apparatus for Assembling Insulators Method of assembling the shells, holding downward pressure, and vibrating to settle cement around the shells to eliminate air |
MOORE, JR., Stewart L. |
Manufacturing | Locke Insulator Corp. |
| 1935 | ||||||
| U | 2,010,934 | August 13, 1935 | Cementing Process and Apparatus Apparatus to align the pin during the cementing process in a suspension insulator |
SMITH, William A. |
Manufacturing | The Ohio Brass Co. |
| 1975 | ||||||
| U | 3,923,570 | December 2, 1975 | Manufacture of Insulators Method of cementing suspension insulators using thick cement and high intensity vibrations |
WILLEM, Michel |
Suspension | Societe Europeene d'Isolateurs en Verre (SEDIVER) |
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