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-
-
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Water-tube boiler
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Patent number 4,170,964
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Issue date Oct 16, 1979
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The Trane Company
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Thomas C. Jehn
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F22 - STEAM GENERATION
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Heated enclosures
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Patent number 4,080,933
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Issue date Mar 28, 1978
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Foster Wheeler Energy Corporation
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Thomas Gibson
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F22 - STEAM GENERATION
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Coal fired package boiler
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Patent number 3,971,345
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Issue date Jul 27, 1976
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Deltak Corporation
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Denis G. Csathy
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F22 - STEAM GENERATION
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3559624
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Patent number 3,559,624
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Issue date Feb 2, 1971
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F22 - STEAM GENERATION
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3536049
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Patent number 3,536,049
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Issue date Oct 27, 1970
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F22 - STEAM GENERATION
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3527261
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Patent number 3,527,261
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Issue date Sep 8, 1970
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F28 - HEAT EXCHANGE IN GENERAL
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3518973
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Patent number 3,518,973
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Issue date Jul 7, 1970
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F22 - STEAM GENERATION
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3356077
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Patent number 3,356,077
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Issue date Dec 5, 1967
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F22 - STEAM GENERATION
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3356076
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Patent number 3,356,076
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Issue date Dec 5, 1967
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F22 - STEAM GENERATION
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3356078
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Patent number 3,356,078
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Issue date Dec 5, 1967
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F22 - STEAM GENERATION
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3315647
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Patent number 3,315,647
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Issue date Apr 25, 1967
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F22 - STEAM GENERATION
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3229671
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Patent number 3,229,671
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Issue date Jan 18, 1966
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F22 - STEAM GENERATION
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3136301
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Patent number 3,136,301
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Issue date Jun 9, 1964
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F22 - STEAM GENERATION
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3136298
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Patent number 3,136,298
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Issue date Jun 9, 1964
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F22 - STEAM GENERATION
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3029797
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Patent number 3,029,797
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Issue date Apr 17, 1962
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F22 - STEAM GENERATION
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3003482
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Patent number 3,003,482
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Issue date Oct 10, 1961
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F22 - STEAM GENERATION
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2988064
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Patent number 2,988,064
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Issue date Jun 13, 1961
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F22 - STEAM GENERATION
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2979041
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Patent number 2,979,041
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Issue date Apr 11, 1961
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F22 - STEAM GENERATION
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2895456
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Patent number 2,895,456
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Issue date Jul 21, 1959
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F22 - STEAM GENERATION
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2879752
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Patent number 2,879,752
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Issue date Mar 31, 1959
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F22 - STEAM GENERATION
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2868180
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Patent number 2,868,180
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Issue date Jan 13, 1959
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F22 - STEAM GENERATION
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2866444
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Patent number 2,866,444
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Issue date Dec 30, 1958
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F22 - STEAM GENERATION
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2865342
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Patent number 2,865,342
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Issue date Dec 23, 1958
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F22 - STEAM GENERATION
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2865343
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Patent number 2,865,343
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Issue date Dec 23, 1958
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F22 - STEAM GENERATION
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2852004
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Patent number 2,852,004
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Issue date Sep 16, 1958
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F22 - STEAM GENERATION
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2851015
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Patent number 2,851,015
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Issue date Sep 9, 1958
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F22 - STEAM GENERATION
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2842104
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Patent number 2,842,104
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Issue date Jul 8, 1958
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F22 - STEAM GENERATION