Articles > Business magazines > Manufacturing magazines > Air Conditioning, Heating & Refrigeration News articles > May 1999

Article: PATENTS.

Article from:
Air Conditioning, Heating & Refrigeration News
Article date:
May 24, 1999
Copyright

January 12, 1999

5,858,045. MULTIPLE LAYER AIR FILTER MEDIA. Stemmer, Michael J. (Collierville, Tenn.); Sofsky, Edward C. (Batesville, Miss.). Assignee: Air Kontrol, Inc. (Batesville).

A filter media for an air filter includes at least two layers of filter material with the materials being different. The layers are joined together by a stiffening grid fabricated from a metal or plastic. Glue such as hot-melt glue is disposed on both sides of the grid to attach the sides of the grid to the respective layers. Depending upon the application, the filter media may be pleated.

January 19, 1999

5,860,187. CLEANING SYSTEM FOR REMOVING DUST ...

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