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:
Aug. 11, 2009
Filed:
Mar. 21, 2005
Applicants:
Michael T. Romanyszyn, San Antonio, TX (US);
Basil F. Girjis, San Antonio, TX (US);
Alfred A. Schroeder, San Antonio, TX (US);
Inventors:
Michael T. Romanyszyn, San Antonio, TX (US);
Basil F. Girjis, San Antonio, TX (US);
Alfred A. Schroeder, San Antonio, TX (US);
Assignee:
Lancer Partnership, Ltd., San Antonio, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 17/03 (2006.01); F04B 43/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and apparatus for pumping and dispensing are provided in which a peristaltic pump () pumps liquid from a package (), and may be integrated in a dispenser (). The peristaltic pump () is adapted for improved accuracy, cleaning, and maintenance. Also provided are improved tubes () for peristaltic pumping that are coupled to self-sealing dispensing valves ().