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 = '459') ORDER BY date ASC, patent, type |
Total of 5 patents found where: Class is '425'; Subclass is '459';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1895 | ||||||
U | 533,212 | January 29, 1895 | Combined Jigger and Pulldown Press or jigger gearing and mechanism for forming earthen ware articles such as dishes and pottery |
CROSSLEY, Joseph |
Press | |
1925 | ||||||
U | 1,553,356 | September 15, 1925 | Machine for Producing Threads or Grooves in Plastic Articles Threading method whereby mandrel rotates (similar to Lapp wobbler method) |
BENNETT, Cornelius Van Dyke |
Thread | The Porcelain Insulator Corp. |
U | 1,567,027 | December 29, 1925 | Insulator Threading Machine Machine to form threads in plastic clay |
BENNETT, Cornelius Van Dyke |
Press | The Porcelain 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. |
1933 | ||||||
U | 1,937,184 | November 28, 1933 | Jigger Jiggering machine using centrifugal force to cut out the interior of bushings |
AUSTIN, Arthur O. |
Manufacturing | The Ohio Brass Co. |
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