4. Environmental heating and cooling; fluid handling and sanitary e
  5. Fluid handling or treatment equipment
  6. Treatment

Raymond P. Denkewicz, Jr.

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Amorphous alkali metal silicate process and uses

Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing
Patent

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Apparatus and method for purifying water in a storage tank

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using direct contact with electrical or electromagnetic...
Reexamination Certificate

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Apparatus and method for removing arsenic and inorganic...

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using direct contact with electrical or electromagnetic...
Reexamination Certificate

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Automatic swimming pool cleaners and associated components and s

Liquid purification or separation – Structural installation – Closed circulating system
Patent

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Biocidal compositions for treating water

Drug – bio-affecting and body treating compositions – Inorganic active ingredient containing – Heavy metal or compound thereof
Patent

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