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. 17, 2014
Filed:
Aug. 15, 2012
Ben Z. Cohen, New York, NY (US);
Nigel B. Kelly, Rye Brook, NY (US);
Ben Z. Cohen, New York, NY (US);
Nigel B. Kelly, Rye Brook, NY (US);
Other;
Abstract
Various pump features are provided. In a first aspect of the subject invention, an evaporation-reduction feature is provided, wherein a pump having an actuator with a nozzle is provided with a releasable cap having a first shield located to entrap a fixed volume of air about the nozzle. In a second aspect, a check valve element return feature is provided wherein a valve seat is located along the pump's internal fluid passage with a plurality of delectable spring arms extending therefrom being deflectable in response to movement of a check valve element away from the valve seat. In a third aspect, a complaint shut-off valve feature is provided. In a fourth aspect, a fluid trapping well is provided, wherein fluid may be trapped within the well portion at various angular orientations of the pump to communicate directly with the pump inlet.