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Assignee: Apprise Technologies, Inc.


Location: Duluth, MN
No. of patents: 4

NumberTitleIssue Date
7198755Multichannel fluorosensor
A multichannel fluorosensor includes an optical module and an electronic module combined in a watertight housing with an underwater connector. The fluorosensor has an integral calibrator for periodical sensitivity validation of the fluorosensor. The optical module h...
04/03/2007
7142299Turbidity sensor
A turbidity measuring system is provided with a chamber and a sensor having a watertight housing, a light source, a first light focusing device for focusing a light emitted from the light source and passing therethough into a sample liquid, a second light focusing d...
11/28/2006
6916219Remote sampling system
An automated system for periodically sampling water bodies, such as lakes, and delivering the test results to a remote computer using a communication system. In particular, the system has a variable buoyancy profiler with a dynamic buoyancy compensator responding ap...
07/12/2005
6842243Turbidity sensor
A small size turbidity sensor for underwater in-situ measurements in the wide range of turbidity values is disclosed that may be integrated into a housing with other underwater sensors. The turbidity sensor incorporates micro focusing devices and light stop that giv...
01/11/2005
 
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