-
-
3430936
-
Patent number 3,430,936
-
Issue date Mar 4, 1969
-
F27 - FURNACES KILNS OVENS RETORTS
-
3056588
-
Patent number 3,056,588
-
Issue date Oct 2, 1962
-
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
-
1676787
-
Patent number 1,676,787
-
Issue date Jul 10, 1928
-
F28 - HEAT EXCHANGE IN GENERAL
-
1661010
-
Patent number 1,661,010
-
Issue date Feb 28, 1928
-
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
-
1639613
-
Patent number 1,639,613
-
Issue date Aug 16, 1927
-
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
-
1399503
-
Patent number 1,399,503
-
Issue date Dec 6, 1921
-
F27 - FURNACES KILNS OVENS RETORTS
-
1336079
-
Patent number 1,336,079
-
Issue date Apr 6, 1920
-
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
-
1185121
-
Patent number 1,185,121
-
Issue date May 30, 1916
-
F28 - HEAT EXCHANGE IN GENERAL
-
1177218
-
Patent number 1,177,218
-
Issue date Mar 28, 1916
-
F28 - HEAT EXCHANGE IN GENERAL
-
1101433
-
Patent number 1,101,433
-
Issue date Jun 23, 1914
-
F28 - HEAT EXCHANGE IN GENERAL
-
900436
-
Patent number 900,436
-
Issue date Oct 6, 1908
-
F28 - HEAT EXCHANGE IN GENERAL
-
801344
-
Patent number 801,344
-
Issue date Oct 10, 1905
-
F28 - HEAT EXCHANGE IN GENERAL
-
770779
-
Patent number 770,779
-
Issue date Sep 27, 1904
-
F28 - HEAT EXCHANGE IN GENERAL
-
701109
-
Patent number 701,109
-
Issue date May 27, 1902
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
694366
-
Patent number 694,366
-
Issue date Mar 4, 1902
-
F28 - HEAT EXCHANGE IN GENERAL
-
686369
-
Patent number 686,369
-
Issue date Nov 12, 1901
-
F28 - HEAT EXCHANGE IN GENERAL
-
610962
-
Patent number 610,962
-
Issue date Sep 20, 1898
-
F28 - HEAT EXCHANGE IN GENERAL
-
599386
-
Patent number 599,386
-
Issue date Feb 22, 1898
-
F28 - HEAT EXCHANGE IN GENERAL
-
582437
-
Patent number 582,437
-
Issue date May 11, 1897
-
F28 - HEAT EXCHANGE IN GENERAL
-
561175
-
Patent number 561,175
-
Issue date Jun 2, 1896
-
F28 - HEAT EXCHANGE IN GENERAL
-
511252
-
Patent number 511,252
-
Issue date Dec 19, 1893
-
F28 - HEAT EXCHANGE IN GENERAL
-
498163
-
Patent number 498,163
-
Issue date May 23, 1893
-
F28 - HEAT EXCHANGE IN GENERAL
-
461577
-
Patent number 461,577
-
Issue date Oct 20, 1891
-
F28 - HEAT EXCHANGE IN GENERAL
-
422260
-
Patent number 422,260
-
Issue date Feb 25, 1890
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
350300
-
Patent number 350,300
-
Issue date Oct 5, 1886
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
275858
-
Patent number 275,858
-
Issue date Apr 17, 1883
-
F28 - HEAT EXCHANGE IN GENERAL
-
201785
-
Patent number 201,785
-
Issue date Mar 26, 1878
-
F28 - HEAT EXCHANGE IN GENERAL
-
178186
-
Patent number 178,186
-
Issue date May 30, 1876
-
F28 - HEAT EXCHANGE IN GENERAL
-
171663
-
Patent number 171,663
-
Issue date Jan 4, 1876
-
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES