US 12,435,804 B2
Pop-up valve for managing backflow
Phuong Taylor Nguyen, Richmond, TX (US)
Assigned to Axxiom Manufacturing, Inc., Fresno, TX (US)
Filed by Axxiom Manufacturing, Inc., Fresno, TX (US)
Filed on Mar. 8, 2024, as Appl. No. 18/600,447.
Application 18/600,447 is a continuation in part of application No. 15/929,857, filed on May 26, 2020, abandoned.
Prior Publication US 2024/0295271 A1, Sep. 5, 2024
Int. Cl. F16K 15/02 (2006.01); F16K 15/06 (2006.01); F16K 15/20 (2006.01)
CPC F16K 15/063 (2013.01) [F16K 15/026 (2013.01); F16K 15/207 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A pressurizable vessel configured with a sealable port, the pressurizable vessel comprising:
a pop-up valve assembly proximately located near the sealable port, the pop-up valve assembly comprising:
a valve head;
a valve stem coupled with the valve head, the valve stem further comprising an upper stem portion, a middle stem portion, and a bottom stem portion;
a valve sleeve movingly disposed around the middle stem portion;
an open pipe having the bottom stem portion and an at least a portion of the middle stem portion disposed therein; and
a valve seat disposed on an end of the open pipe.