| 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 = '431') ORDER BY date ASC, patent, type |
Total of 5 patents found where: Class is '431';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1857 | ||||||
| U | 18,606 | November 10, 1857 | Candlestick Method of attaching a candle to a candlestick |
SPRATT, James |
Candlestick | |
| 1872 | ||||||
| U | 128,914 | July 9, 1872 | Improvement in Apparatus for Burning Hydrocarbons as fuel Glass furnace for burning gas |
RUSSELL, William H. |
Furnace | James M. Brookfield |
| 1876 | ||||||
| U | 176,073 | April 11, 1876 | Improvement in Lamp Collars Oil lamp collar with grooves for oil return |
SCHNEIDER, Bennet B. |
HU | |
| 1907 | ||||||
| U | 866,787 | September 24, 1907 | Furnace Producer gas furnace combined with boiler |
HEMINGRAY, Ralph G. JENSEN, John O. |
HI | |
| 1952 | ||||||
| U | 2,596,341 | May 13, 1952 | Burner Block and Burner Glass furnace burner and refractory burner block |
MCCREERY, Cecil W. HATFIELD, Milton W. |
OI | Owens-Illinois Glass Co. |
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