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:
Jun. 15, 2009
Filed:
Feb. 27, 2007
Applicant:
Werner Bartling, Elze, DE;
Inventor:
Werner Bartling, Elze, DE;
Assignee:
Faiveley Transport, Saint-Denis, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D 3/00 (2005.12);
U.S. Cl.
CPC ...
Abstract
Metering or dosing device for sand spreading apparatuses with a metering piston for sealing off and releasing the throughflow opening for the material to be spread, in which the metering piston and the opposite housing wall of the passage hole have profiles overlapping each other so that a labyrinth-like outflow of the spread material results.