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:
Jan. 22, 1991
Filed:
Dec. 20, 1988
Applicant:
Inventors:
Alan Broadwin, Brooklyn, NY (US);
Leonard M Emery, West Haven, CT (US);
Assignee:
Valleylab, Inc., Boulder, CO (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 22 ; 128 / ; 310 26 ; 366127 ;
Abstract
A magnetostrictive transducer comprising a plurality of elongated strips of magnetostrictive material, each strip having a proximal end, a distal end and a substantially V-shaped cross section wherein each arm of the V is formed by a longitudinal length of the strip, each strip being attached to an adjacent strip at both the proximal end and the distal end to form and integral substantially rigid column having a central axis with fins extending radially relative to said axis; and an ultrasonic resonant vibrator including such a transducer.
Published as:
DK646689D0; NO895117D0; CA2005878A1; DK646689A; NO895117L; EP0375302A1; AU4701889A; JPH02261576A; US4986808A; AU610030B2; CA2005878C; JPH0632784B2; EP0375302B1; ATE113458T1; DE68919197D1; ES2062046T3; DE68919197T2; NO178015B; NO178015C; FI96824B; FI96824C;