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:
Jul. 21, 1998
Filed:
Mar. 29, 1996
Richard O Peterson, Edina, MN (US);
Robert W Olsen, Plymouth, MN (US);
Avecor Cardiovascular, Inc., Plymouth, MN (US);
Abstract
A method of manufacturing a fluid filter comprising: (a) providing a cone having a tip end and an open end and made of a filter material; (b) providing a support element having a plurality of concentric annular members mounted on a base and having outermost and innermost concentric annular members; (c) aligning the central axes of the cone and the support element with the tip end of the cone closest to the support element; and (d) inserting a portion of the cone into a circular area between two concentric annular members by placing a forming sleeve inside the cone and inserting the forming sleeve between the two concentric annular members, the concentric annular members being generally cylindrical and having an interior and an exterior.