|
US3343319A
|
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Refractory liner anchorage
|
|
US3030093A
|
|
Checkerwork
|
|
US2953364A
|
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Coal drying furnace breeching
|
|
US2927454A
|
|
Metal encased basic refractories
|
|
US2794629A
|
|
Burner support for open hearth furnaces
|
|
US2879660A
|
|
Adjustable lining support
|
|
US2776632A
|
|
Sealing shoe attachment for pit covers
|
|
US2787227A
|
|
Fairing arch
|
|
US2790402A
|
|
Sand sealing shoe
|
|
US2846867A
|
|
Chamber lining
|
|
US2787458A
|
|
Checkerwork chamber
|
|
US2753172A
|
|
Multiple pass checkerwork
|
|
US2742023A
|
|
Circular furnace roof
|
|
US2769333A
|
|
Wall facing
|
|
US2742002A
|
|
Sealing shoe for furnaces
|
|
US2776631A
|
|
Pendant curtain wall
|
|
US2670192A
|
|
Insulating encasement
|
|
US2685264A
|
|
Multiple hanger pipe supported nosings
|
|
US2725833A
|
|
Basic refractory support
|
|
US2601631A
|
|
Furnace wall
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