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. 01, 2026
Filed:
Oct. 26, 2021
Applicant:
De' Longhi Appliances S.r.l. Con Unico Socio, Treviso, IT;
Inventors:
Assignee:
DE' LONGHI APPLIANCES S.R.L. CON UNICO SOCIO, Treviso, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47J 31/46 (2006.01); A47J 31/44 (2006.01); F16K 1/36 (2006.01); F16K 1/54 (2006.01); F16K 17/04 (2006.01); F16K 31/363 (2006.01);
U.S. Cl.
CPC ...
A47J 31/461 (2018.08); A47J 31/4496 (2013.01); F16K 1/36 (2013.01); F16K 1/54 (2013.01); F16K 17/046 (2013.01); F16K 31/363 (2013.01); F16K 2200/303 (2021.08);
Abstract
A valve device includes an entry aperture and an exit aperture for a fluid, a chamber which puts the entry and exit apertures in selective communication, a housing compartment, a piston disposed in the compartment, which is mobile between a closing position in which it prevents the transit of the fluid and an opening position in which it allows the passage of the fluid, and elastic return means associated with the piston A machine for preparing beverages includes at least one said valve device.