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| Number | Title | Issue Date |
| 7913535 | Apparatus and methods for dilution Self-calibrating apparatus and methods for dilution of an analyte-containing fluid, and in particular for dilution of analyte concentrations beyond the normal measurement range of a detector, without the requirement for other detectors. The apparatus is preferably a... | 03/29/2011 |
| 7877207 | Correction of troposphere induced errors in global positioning systems A method of obtaining data for use by a receiver of a satellite positioning system or a GNSS comprises deriving the data remotely from the receiver by a server (200), using meteorological information and a regional or global three dimensional map of grid poin... | 01/25/2011 |
| 7608440 | Apparatus for ultrasonic microbial disruption Apparatus for microbial disruption, comprises a cylindrical transducer having a beat conducting, solid transmission layer disposed along at least a part of the inner longitudinal surface thereof, said transmission layer or said transducer and transmission layer defi... | 10/27/2009 |
| 7427920 | Population monitoring system A system for monitoring a live population uses a unit as a local data collection device to derive data on the physical condition of a population member. The unit has a local processor for correlating and storing the physical condition data relative to time and a mec... | 09/23/2008 |
| 7013891 | Respirators A respirator (1) comprises an inner, oronasal, mask (2) enclosed within an outer, face sealing, mask (3) so as to define a cavity (4) therewith, a screw-threaded air inlet (5) for conducting inhaling air to the interior of the inne... | 03/21/2006 |
| 6851459 | Air samplers An air sampler for use in analyzing biological or other analytes, comprizes an airflow chamber having an air inlet and an air outlet. An extract from an air mover draws ambient air in through the inlet, and then through the chamber, to discharge it back to atmospher... | 02/08/2005 |
| 6822226 | Corona ionization source A corona discharge ionization source is disclosed in which neutral species are removed by directing a flow of oxygen containing gas in a direction substantially different to that of the ion flow. The ion profiles produced are similar in many respects to those produc... | 11/23/2004 |
| 6821321 | Combined vapor and particulate filter A personal respirator has a face mask and is provided with a filter unit comprising a canister housing contiguous layers of novel filter material. The filter material is suitable for both particulate and vapor filtration, and comprises a composite of first and secon... | 11/23/2004 |
| 6753188 | Surface plasmon resonance The surface plasmon resonance apparatus (1) for detecting a soluble and/or particulate analyte comprises a prism sensor (2) providing a metallised sensor surface (3) capable of binding the analyte, and a laser (10) providing a beam (4 | 06/22/2004 |
