| Patent Number |
Title Of Patent |
Date Issued |
| 6712881 |
Continuous, laminar flow water-based particle condensation device and method |
March 30, 2004 |
| An apparatus and method for producing a diffusive, continuous laminar flow for particle growth via condensation of vapors with a mass diffusivity near or higher than the thermal diffusivity of the surrounding gas. In an exemplary embodiment, the method uses the condensation of water vapo |
| 6284025 |
Particle microtrap screen |
September 4, 2001 |
| A particle microtrap screen apparatus has an inlet, a jet orifice screen with multiple microjet orifices, and a microtrap plate having multiple microtraps spaced opposite the multiple microjet orifices for entrapping particles entrained by the jets and then released by the gas, and i |
| 6170342 |
Spiral sampler |
January 9, 2001 |
| The SPIRAL SAMPLER is a sampler for airborne particles. The spiral groove in the sampler allows for sticky or liquid particles as well as solid or bouncy particles of any given aerodynamic diameter to be sampled with the same efficiency. The SPIRAL SAMPLER does not require any oil or gre |
| 5983732 |
Integrated collection and vaporization particle chemistry monitoring |
November 16, 1999 |
| An integrated collection and vaporization cell apparatus has a collector and vaporizer cell for collecting airborne particles from sample gas on a collector strip in the cell and a power source connected to the strip for rapidly heating the strip and converting the particles to vapors fo |
