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:
Sep. 23, 2014
Filed:
Jun. 10, 2009
Applicants:
Daniel Crichton, Cambridgeshire, GB;
Richard Wilhelm Janse Van Rensberg, Cambridgeshire, GB;
Inventors:
Daniel Crichton, Cambridgeshire, GB;
Richard Wilhelm Janse Van Rensberg, Cambridgeshire, GB;
Assignee:
The Technology Partnership Plc, Herts, GB;
Primary Examiner:
Int. Cl.
CPC ...
B05B 17/06 (2006.01); B05B 1/08 (2006.01); B05B 1/14 (2006.01); B05B 17/00 (2006.01);
U.S. Cl.
CPC ...
B05B 17/0638 (2013.01); B05B 17/0684 (2013.01);
Abstract
A fluid spray dispenser () having a fluid reservoir () for holding a fluid to be dispensed, a spray head () for dispensing the fluid and a porous medium () through which the fluid passes from the reservoir () to the spray head (). The porous medium () has an effective pore size and/or permeability that decreases towards the spray head (). Means and methods of creating the pore size and/or permeability gradients are discussed.