| 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 = '425') AND (category.subclass = '265') ORDER BY description ASC, date, patent, type |
Total of 4 patents found where: Class is '425'; Subclass is '265';
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 |
| 1916 | ||||||
| U | 1,193,185 | August 1, 1916 | Machine for Internally Shaping Telegraph Insulators and the Like Machine to cut out and shape the internals of an insulator |
PODMORE, William |
Press | 1/2 to Henry Lewis Doulton |
| 1936 | ||||||
| U | 2,033,827 | March 10, 1936 | Insulator Forming Machine Machine to form the underside and recesses between skirts and the petticoats by using a trimming device that can be adjusted to any angle and extend inward as needed |
HARVEY, Leo B. FRENCH, Lucius L. |
Manufacturing | Porcelain Insulator Corp. |
| U | 2,034,707 | March 24, 1936 | Apparatus for Making One-Piece Insulators Machine to press out the form and trim the profile in large unipart insulators |
BENARD, Arthur G. |
Manufacturing | Locke Insulator Corp. |
| 1928 | ||||||
| U | 1,687,759 | October 16, 1928 | Insulator Knurling Device Manufacturing method of cutting inside of multipart joints to aid cement adhesion |
GOUVERNEUR, Minor F. H. |
Manufacturing | Locke Insulator Corp. |
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