|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 = '432') ORDER BY date ASC, patent, type|
Total of 11 patents found where: Class is '432';
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|
|U||9,789||June 14, 1853||Manufacturing Glass
Glass furnace for burning coal
|BROOKFIELD, James M.
WHITE, Ephraim V.
|U||11,893||November 7, 1854||Glass Furnace
Improved circular glass furnace using anthracite coal
|HAY, Andrew K.
|U||88,066||March 23, 1869||Improved Glass Furnace
Improved glass furnace with blower to remove fumes and improve the draught
|U||330,050||November 10, 1885||Furnace for Melting Glass, &c.
A glass-melting furnace with a rectangular tank and bottom composed of beveled stone. Patent was used by the Cadiz Glass Co.
|U||416,703||December 3, 1889||Glass Furnace
||Furnace||1/2 to William Brookfield|
|U||790,716||May 23, 1905||Machinery for the Manufacturing of Glassware
Annealing conveyor for glassware (leer and endless conveyor)
|BROOKFIELD, Henry M.
|U||925,864||June 22, 1909||Glass Furnace
Glass furnace designed to be tilted in order to pour out molten glass
|U||1,432,706||October 17, 1922||Recuperator for Glass Furnaces and the Like
Glass furnace design
||McLaughlin||1/2 to Charles E. Norton|
|U||1,468,947||September 25, 1923||Furnace for Decorating Ceramic Ware
Kiln for firing porcelain spark plug insulators
|JEFFERY, Joseph A.
|U||1,566,070||December 15, 1925||Sagger
Sagger to provide uniform distribution in the kiln
|BUCKLEY, Lorenzo C.
||Sagger||The R. Thomas & Sons Co.|
|U||2,975,499||March 21, 1961||Ceramic Tunnel Kiln
More fuel efficient tunnel kiln for burning ceramic ware and produces a more uniform quality of porcelain.
|LAPP, Grover W.
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