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CA1192728A
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Method of making heat exchangers
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CA1192030A
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Method of making heat exchangers
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US4360958A
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Method of making heat exchangers
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US4332069A
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Making heat exchangers
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US4349949A
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Method of making heat exchangers
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US4330913A
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Method of making heat exchangers
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US4062358A
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Respirators
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US4054134A
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Respirators
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US3229722A
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Heat exchange element with internal flow diverters
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US3133430A
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Refrigerating system with continuous integral closed circuit refrigerantconducting tubing
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US3153443A
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Heat exchange units
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US3073461A
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Fin stock feeding apparatus
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US3102330A
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Automatic mechanism for stripping and ejecting fin-type heat exchange units from an assembly press
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US3114963A
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Automatic apparatus for loading an assembly nest with fin strips in the production of heat exchange units
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US3100679A
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Apparatus for purifying air in inhabitable or product-confining enclosures
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US2903247A
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Radiators of the baseboard type
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US2903245A
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Baseboard radiators
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US2903246A
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Baseboard radiators
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US2977918A
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Method of making heat transfer units
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US2948054A
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Method of fabricating finned heat transfer tubing
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