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Patents

Rowing Technology & Patents

NK has been at the forefront of rowing technology development for years. NK holds the following patents for rowing related inventions:

• Patent No. 5,357,794: Faraday effect small boat speed transducer and waterproof connection for same
• Patent No. 5,099,689: Apparatus for determining the effective force applied by an oarsman

Kestrel Pocket Weather Meters Technology & Patents

NK has been at the forefront of environmental and weather sensor technology for over a decade. NK holds the following patents for weather sensor inventions built into the Kestrel line of Weather Instruments:

• Patent No. 7,059,170: Method and apparatus for measuring relative humidity of a mixture
• Patent No. 6,257,074: Vane anemometer with thermally isolated sensors
• Patent No. 5,939,645: Vane anemometer having a modular impeller assembly
• Patent No. 5,783,753: Vane anemometer having a modular impeller assembly

Trademarks

The following words, marks and logos are registered trademarks of the Nielsen-Kellerman Co.:

NK Logo

Kestrel Logo

NK Nielsen Kellerman Kestrel Kestrel Tracker Pocket Wind Pocket Weather Tracker Cadence Cox-Box Cox-Vox SpeedCoach StrokeCoach Interval Watchware

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