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. 02, 2016

Filed:

Mar. 16, 2007
Applicants:

Jeffrey L. Jackson, Lino Lakes, MN (US);

Alan S. Peterson, Maple Grove, MN (US);

Eric A. Isberg, Maple Grove, MN (US);

Inventors:

Jeffrey L. Jackson, Lino Lakes, MN (US);

Alan S. Peterson, Maple Grove, MN (US);

Eric A. Isberg, Maple Grove, MN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 9/02 (2006.01); F04B 53/14 (2006.01); F04B 53/00 (2006.01); B65B 3/12 (2006.01); F04B 13/00 (2006.01); F04B 43/00 (2006.01); F04B 43/02 (2006.01);
U.S. Cl.
CPC ...
F04B 53/143 (2013.01); B65B 3/12 (2013.01); F04B 13/00 (2013.01); F04B 43/0063 (2013.01); F04B 43/021 (2013.01); F04B 53/008 (2013.01);
Abstract

A disposable positive displacement pump is disclosed. The pump includes a pump housing having head portion and a body, the head portion having one or more fluid passage openings. The pump also includes a rolling diaphragm internal to the pump housing and defining a fluid chamber within the pump housing. The pump further includes a piston drive unit configured to reciprocally drive the rolling diaphragm to move fluid in or out of the fluid chamber. A method of dispensing a fluid is also disclosed.


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