The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 24, 1987

Filed:

Aug. 16, 1985
Applicant:
Inventors:

Stephen G Boucher, Amherst, NH (US);

Robert K Jeffers, Concord, NH (US);

Assignee:

Airmar Technology Corporation, Amherst, NH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
73187 ; 324167 ; 324174 ; 374142 ;
Abstract

A marine speed sensor mounted in a housing which may also include a temperature sensor and a sonic transducer. The speed sensor includes a paddlewheel for producing an electromagnetic field. The paddlewheel is rotatably mounted adjacent the housing and exposed at top and bottom and mounted between support members extending from the housing.


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