Inventor’s Corner

Modular cleanroom plenum

The modular cleanroom plenum includes a rectangular plenum body (A) with an air barrier forming a top surface (B) and a ceiling grid forming a bottom surface (C).

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Plenums are attached to the primary support structure (D) of a cleanroom (E) in whatever number and configuration are required. By providing in one modular component the air barrier layer, the ceiling grid (C), the fire sprinkler system (F), the air transfer ducts (G), the balancing dampers (H), filters (I) and other standard ceiling grid components, the cost and time required for construction, according to the inventors, can be significantly decreased.

Patent number: 6,514,137 B1
Date granted: Feb. 4, 2003
Inventors: Paul Giulo Panelli of Newark, Calif., David Emmett Benson of Beaverton, Ore., and Howard Lyle Gile of Lake Oswego, Ore.

UV disinfection device

The ultraviolet (UV) disinfection system can be used in healthcare, pharmaceutical or food processing environments to sterilize appliances, fluids and materials.

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The device includes a power supply (A), one UV light source (B) that is controlled by an optical source (C) and one transmission line (D) that connects the appliance (E) at a portal (F). Portal optics (G) allows disinfection intensity to be controlled.

Patent number: 6,524,529 B1
Date granted: Feb. 25, 2003
Inventor: Isaac B. Horton III of Raleigh, N.C.


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