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Du Plessis
Andries Du Plessis, Winchester, MA US
| Patent application number | Description | Published |
|---|---|---|
| 20090205737 | INSULATED PIPE AND METHOD FOR PREPARING THE SAME - The invention provides an insulated pipe-in-pipe assembly comprising (a) at least one inner pipe, (b) an outer pipe disposed around the at least one inner pipe so as to create an annular space between the outer and inner pipes, (c) porous, resilient, compressible material disposed in the annular space, and (d) a remnant of a container that previously was positioned in the annular space and previously held the compressible material in a volume less than the volume of the compressible material in the annular space. The invention also provides a method for making such an insulated pipe-in-pipe assembly. | 08-20-2009 |
Andries J. Du Plessis, Winchester, MA US
| Patent application number | Description | Published |
|---|---|---|
| 20080302059 | Filling Fenestration Units - A method for fabricating an insulated system such as, for instance, an insulated window unit, includes introducing an insulating material between adjacent walls and stabilizing the system. Particulate insulators preferably are introduced in the system by filling an expanded internal volume. Stabilization of the system can be carried out by reducing the pressure within the internal volume. A stabilized insulated system is fabricated by introducing an insulating material between adjacent walls and stabilizing the system. Also disclosed are processes and equipment for filling insulated systems, such as fenestration units, and insulated systems comprising mixed insulating materials. | 12-11-2008 |
| 20110197987 | Manufacturing and Installation of Insulated Pipes or Elements Thereof - Insulated pipe systems or assemblies include a particulate, composite or monolithic insulating aerogel material. Techniques for installing or manufacturing such systems or assemblies are described, as are components useful in the installation or manufacture processes. | 08-18-2011 |
James P. Du Plessis, Lichfield GB
| Patent application number | Description | Published |
|---|---|---|
| 20110005554 | AEROENGINE WASHING SYSTEM AND METHOD - The present invention is a collector for collecting washing fluid issuing from a gas turbine engine during and/or after a washing operation. The collector comprises a collection tray and an inlet collector attached at a first end to the collection tray. The second end of the inlet collector is connected to an inlet of the engine, thereby collecting washing fluid issuing from any one or both the inlet and below the engine. | 01-13-2011 |
Urbain Du Plessis, Mentone AU
| Patent application number | Description | Published |
|---|---|---|
| 20090195403 | OPTICAL WARNING DEVICE - An optical warning device comprising a light source located within a housing having a wall, a top and a base, the base supporting the light source positioned in front of a reflector to transmit light through a light transmitting surface forming part of the wall of the housing, the top of the housing including an absorber comprising an outwardly facing light shielding surface and an inwardly facing surface profiled to entrap light. | 08-06-2009 |
| 20100048049 | ELECTRICAL CONNECTOR - An electrical connector assembly comprising a pair of male connectors adapted to butt together, end to end, to complete an electrical connection, and a hollow barrel to accommodate the male connectors, the barrel having latch means to force the male connectors into abutting contact. | 02-25-2010 |
Urbain Du Plessis, Colingwood Vic. AU
| Patent application number | Description | Published |
|---|---|---|
| 20120044694 | INDIRECT LIGHTING SYSTEM - An apparatus where an indirect lighting system is adapted to direct light to a target. The primary optics are arranged to eject a flat beam of uniform intensity light onto an assembly of fractal reflector modules that reflect the beam to the target. The primary optics comprise a light source, and a reflector of stepped facets, located on the surface of a parabolic reflector; the shape and location of each facet being calculated to provide a uniform intensity flat beam. | 02-23-2012 |