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| Number | Title | Issue Date |
| 5984257 | Fluid flow regulating valve using thermal expansion material A fluid flow regulating valve using a thermal expansion material. The valve includes a body provided with inlet and outlet ports; a displacement control part in the body, the displacement control part containing the thermal expansion material and displace... | 11/16/1999 |
| 4017025 | Variable volume control box and system incorporating same An inlet plenum extends into a control box and opens into the interior of the control box. Conditioned air is introduced into the box through the inlet plenum and flows from the box, to an area being serviced, through an outlet spaced from the plenum open... | 04/12/1977 |
