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Regenerative heating systems
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Patent number 4,671,345
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Issue date Jun 9, 1987
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British Gas Corporation
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Jeffery Masters
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F28 - HEAT EXCHANGE IN GENERAL
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-
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Regenerator checkerwork brick
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Patent number 4,346,753
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Issue date Aug 31, 1982
-
Bricmont & Associates, Inc.
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Stanley J. Kletch
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F28 - HEAT EXCHANGE IN GENERAL
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3591153
-
Patent number 3,591,153
-
Issue date Jul 6, 1971
-
C21 - METALLURGY OF IRON
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3384358
-
Patent number 3,384,358
-
Issue date May 21, 1968
-
C03 - GLASS MINERAL OR SLAG WOOL
-
3135505
-
Patent number 3,135,505
-
Issue date Jun 2, 1964
-
C21 - METALLURGY OF IRON
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3134584
-
Patent number 3,134,584
-
Issue date May 26, 1964
-
C21 - METALLURGY OF IRON
-
3037758
-
Patent number 3,037,758
-
Issue date Jun 5, 1962
-
C21 - METALLURGY OF IRON
-
2839286
-
Patent number 2,839,286
-
Issue date Jun 17, 1958
-
F28 - HEAT EXCHANGE IN GENERAL
-
2819051
-
Patent number 2,819,051
-
Issue date Jan 7, 1958
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F28 - HEAT EXCHANGE IN GENERAL
-
2706109
-
Patent number 2,706,109
-
Issue date Apr 12, 1955
-
F28 - HEAT EXCHANGE IN GENERAL
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2655366
-
Patent number 2,655,366
-
Issue date Oct 13, 1953
-
F28 - HEAT EXCHANGE IN GENERAL
-
2651515
-
Patent number 2,651,515
-
Issue date Sep 8, 1953
-
C21 - METALLURGY OF IRON
-
2634118
-
Patent number 2,634,118
-
Issue date Apr 7, 1953
-
F28 - HEAT EXCHANGE IN GENERAL
-
2512555
-
Patent number 2,512,555
-
Issue date Jun 20, 1950
-
C21 - METALLURGY OF IRON
-
2034820
-
Patent number 2,034,820
-
Issue date Mar 24, 1936
-
C21 - METALLURGY OF IRON
-
1983017
-
Patent number 1,983,017
-
Issue date Dec 4, 1934
-
C21 - METALLURGY OF IRON
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1980827
-
Patent number 1,980,827
-
Issue date Nov 13, 1934
-
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
-
1976575
-
Patent number 1,976,575
-
Issue date Oct 9, 1934
-
F28 - HEAT EXCHANGE IN GENERAL
-
1920885
-
Patent number 1,920,885
-
Issue date Aug 1, 1933
-
F28 - HEAT EXCHANGE IN GENERAL
-
1916370
-
Patent number 1,916,370
-
Issue date Jul 4, 1933
-
C21 - METALLURGY OF IRON
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1908409
-
Patent number 1,908,409
-
Issue date May 9, 1933
-
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1907852
-
Patent number 1,907,852
-
Issue date May 9, 1933
-
F28 - HEAT EXCHANGE IN GENERAL
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1904236
-
Patent number 1,904,236
-
Issue date Apr 18, 1933
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F28 - HEAT EXCHANGE IN GENERAL
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1904237
-
Patent number 1,904,237
-
Issue date Apr 18, 1933
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F28 - HEAT EXCHANGE IN GENERAL
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1895302
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Patent number 1,895,302
-
Issue date Jan 24, 1933
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F28 - HEAT EXCHANGE IN GENERAL
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1879056
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Patent number 1,879,056
-
Issue date Sep 27, 1932
-
C21 - METALLURGY OF IRON
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1826227
-
Patent number 1,826,227
-
Issue date Oct 6, 1931
-
C21 - METALLURGY OF IRON
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1752494
-
Patent number 1,752,494
-
Issue date Apr 1, 1930
-
F28 - HEAT EXCHANGE IN GENERAL