| 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 = '293') ORDER BY date ASC, patent, type |
Total of 6 patents found where: Class is '156'; Subclass is '293';
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 |
| 1915 | ||||||
| U | 1,164,739 | December 21, 1915 | Method of Making Insulating Devices Manufacturing technique to make long bushings with petticoats by stacking them on a fired core and fusing the petticoats to the core |
MERSHON, Ralph D. |
Manufacturing | |
| 1925 | ||||||
| U | 1,558,498 | October 27, 1925 | Method of Making Insulators Multipart, cementing of sections (see Pinco catalog page 3) |
PECK, John M. BENNETT, Cornelius Van Dyke RYAN, James W. |
Multipart | The Porcelain Insulator Corp. |
| 1926 | ||||||
| U | 1,609,598 | December 7, 1926 | Process of Assembling Insulator Parts Cementing method in that the cement is cured in a bath of heated water |
AUSTIN, Arthur O. |
Cement | The Ohio Brass Co. |
| 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. |
| 1930 | ||||||
| U | 1,742,625 | January 7, 1930 | Process of Uniting by Sealing the Insulating Parts of High Tension Insulators Cement of rubber used to cement multipart insulator |
WECKERLE, Ferdinand |
Cement | Studiengesellschaft Fuer Wirtschaft U. Industrie, M. B. H. |
| 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. |
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