Patent Summary

Current DuraMax™ Radial/Axial Seal
Issued: Sept 14, 2004  – Patent #: 6,789,605   

This patent relates to a supported bellows style seal assembly that is used to seal the angular radial sectors of a regenerative heat exchanging apparatus and to prevent leakage between the hot gas conduit or exhaust conduit and the cold air conduit or intake conduit.

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Original DuraMax™ Radial/Axial Seal
Issued: Sept 14, 1999  - Patent #: 5,950,707

This patent and the present invention relates to a bellows style seal for a regenerative heat exchanging system. More particularly, the present invention relates to a seal that is used to prevent leakage between a hot gas conduit and a cold air conduit of a regenerative air preheater.

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Original DuraFlex™ Circ/Bypass Seal
Issued: March 16, 1999 - Patent #: 5,881,799

This patent and the present invention is comprised of a perimeter seal that has a mounting section that is configured to be mounted on the heat exchanger and a plurality of interlocked flexible tabs that are configured to make resilient contact with a sealing surface.

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DuraMax™ Patents Enhancement

DuraShield New Patent – (proprietary coating process & formula)

Currently Paragon Airheater Technologies has an additional 3 patents pending that pertain to improving the present technology as well as pioneering new technologies, methodologies and processes that will continue to enhance the effectiveness, performance and durability of air preheater components. For more information on these and other upcoming products & inventions please contact our research & development division.

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