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:
Jul. 19, 2022
Filed:
May. 17, 2019
As America, Inc., Piscataway, NJ (US);
Marin Marinov, East Brunswick, NJ (US);
Walter Pitsch, Washington, NJ (US);
Eric Soberano, Barnegat, NJ (US);
Koji Shimizu, Kitanagoya, JP;
Kojiro Watari, Aichi, JP;
AS America, Inc., Piscataway, NJ (US);
Abstract
Provided are valve devices and flow heads for a valve device. A valve device can include a valve body () that opens and closes a valve hole () to allow communication between a primary flow path () and a secondary flow path (), a back pressure chamber () defined at the back side of the valve body, a small hole () that is provided in the valve body to allow the primary flow path of and the back pressure chamber to communicate with each other, and a pin () that has a straight portion inserted into the small hole to clean the small hole by relative motions of the small hole and the straight portion. A flow head () may be annular and include one or more notches along a perimeter and be configured to engage with an inner peripheral surface of an upper end portion of an inner barrel of the valve device.