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:
Nov. 22, 2011
Filed:
Jun. 11, 2008
Applicant:
Tecksoon Lau, Amsterdam, NL;
Inventor:
TeckSoon Lau, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G 31/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention is directed to a bulk materials pump and its use. The pump comprises a housing having a flow path for bulk materials located between an inlet and an outlet of said housing, wherein said flow path in said housing is further defined by a space between two rotatable drive disks spaced from each other and wherein a materials scraper is present between said drive disks at the outlet to avoid materials being transported between said drive disks back to the inlet.