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.
Patent No.:
Date of Patent:
Apr. 22, 2008
Filed:
Jul. 28, 2006
Applicants:
John Barry French, Oakville, CA;
Kieran A. Carroll, Brampton, CA;
Steven J. Thorpe, Toronto, CA;
Inventors:
Assignee:
Gedex Inc., Mississauga, Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 7/00 (2006.01); G01M 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gravity gradiometer having quadrupole responders in which a mass quadrupole is supported by a torsional spring forming a flexure allowing rotation of the mass quadrupole about its center of mass. The flexure can be a pair of spaced apart posts. The flexure can be made from glassy metal having at room temperature a high elastic limit, high stiffness, high strength and low internal damping. The flexure can alternatively be a web made of glassy metal.