-
-
-
3396781
-
Patent number 3,396,781
-
Issue date Aug 13, 1968
-
C01 - INORGANIC CHEMISTRY
-
2817498
-
Patent number 2,817,498
-
Issue date Dec 24, 1957
-
F22 - STEAM GENERATION
-
2688466
-
Patent number 2,688,466
-
Issue date Sep 7, 1954
-
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
-
1989340
-
Patent number 1,989,340
-
Issue date Jan 29, 1935
-
F28 - HEAT EXCHANGE IN GENERAL
-
1879453
-
Patent number 1,879,453
-
Issue date Sep 27, 1932
-
F28 - HEAT EXCHANGE IN GENERAL
-
1851050
-
Patent number 1,851,050
-
Issue date Mar 29, 1932
-
F28 - HEAT EXCHANGE IN GENERAL
-
1833611
-
Patent number 1,833,611
-
Issue date Nov 24, 1931
-
F28 - HEAT EXCHANGE IN GENERAL
-
1812458
-
Patent number 1,812,458
-
Issue date Jun 30, 1931
-
F28 - HEAT EXCHANGE IN GENERAL
-
1807538
-
Patent number 1,807,538
-
Issue date May 26, 1931
-
F22 - STEAM GENERATION
-
1785334
-
Patent number 1,785,334
-
Issue date Dec 16, 1930
-
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
-
1675470
-
Patent number 1,675,470
-
Issue date Jul 3, 1928
-
F28 - HEAT EXCHANGE IN GENERAL
-
1650872
-
Patent number 1,650,872
-
Issue date Nov 29, 1927
-
F28 - HEAT EXCHANGE IN GENERAL
-
1616701
-
Patent number 1,616,701
-
Issue date Feb 8, 1927
-
F28 - HEAT EXCHANGE IN GENERAL
-
1589281
-
Patent number 1,589,281
-
Issue date Jun 15, 1926
-
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
-
1206605
-
Patent number 1,206,605
-
Issue date Nov 28, 1916
-
F28 - HEAT EXCHANGE IN GENERAL
-
953179
-
Patent number 953,179
-
Issue date Mar 29, 1910
-
F28 - HEAT EXCHANGE IN GENERAL
-
747622
-
Patent number 747,622
-
Issue date Dec 22, 1903
-
F28 - HEAT EXCHANGE IN GENERAL
-
569750
-
Patent number 569,750
-
Issue date Oct 20, 1896
-
F28 - HEAT EXCHANGE IN GENERAL
-
259357
-
Patent number 259,357
-
Issue date Jun 13, 1882
-
F28 - HEAT EXCHANGE IN GENERAL