US 12,078,347 B2
Roof plumbing vents and methods including for tankless water heaters with concentric venting
Scott Beyer, Cypress, TX (US)
Assigned to Aurora Plumbing Company, LLC, Cypress, TX (US)
Filed by Aurora Plumbing Company, LLC, Cypress, TX (US)
Filed on Jan. 19, 2022, as Appl. No. 17/579,509.
Claims priority of provisional application 63/233,253, filed on Aug. 14, 2021.
Claims priority of provisional application 63/225,334, filed on Jul. 23, 2021.
Prior Publication US 2023/0027028 A1, Jan. 26, 2023
Int. Cl. F23J 13/08 (2006.01); F23J 13/04 (2006.01); F24H 1/10 (2022.01)
CPC F23J 13/08 (2013.01) [F23J 2211/101 (2013.01); F24H 1/107 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A vent apparatus comprising:
a main housing having an upper end and lower end; and
an umbrella assembly including a central rod having an upper end and a lower end, a lower member attached proximate the lower end of the central rod, and a flexible upper cover attached proximate the upper end of the central rod, the umbrella assembly having a first position in which the flexible upper cover is disposed within the main housing and a second position in which the flexible upper cover is in a deployed state above the upper end of the main housing, the lower member being adapted for engagement with the lower end of the main housing when the flexible upper cover is its deployed state above the upper end of the main housing.