US10385578B2ActiveUtilityA1

Polyvinyl chloride conduit for backwashing pool filters

Individually held — no corporate assignee on recordPriority: Dec 4, 2017Filed: Dec 4, 2017Granted: Aug 20, 2019
Est. expiryDec 4, 2037(~11.4 yrs left)· nominal 20-yr term from priority
C02F 2103/42C02F 2303/16B01D 29/68E04H 4/1218B01D 37/00C02F 1/001
78
PatentIndex Score
3
Cited by
35
References
1
Claims

Abstract

In one embodiment, a pool filter backwash assembly is described that comprises a pool filter extension configured to be connected to a backwash outlet of a pool filter and a backwash shower head configured to convert a backwash stream from the backwash outlet to a spray directed away from the pool filter. In some embodiments, the pool filter backwash assembly further comprises a backwash shower extension and an angled adapter. In addition, a method of backwashing a pool filter is described in which a pool filter backwash assembly is attached to a backwash outlet of a pool filter.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. A method of backwashing a pool filter comprising:
 i) attaching a pool filter backwash assembly to a backwash outlet of a pool filter, the pool filter backwash assembly comprising
 a pool filter extension comprising a filter extender having a first end attached to a pool filter connector sized for the backwash outlet, and a second end attached to an angled adapter and 
 a backwash shower extension comprising a shower extender having a first end attached to a backwash shower head and a second end attached to the angled adapter; 
 
 ii) forming a backwash stream from the backwash outlet of the pool filter; and 
 iii) converting, by the backwash shower head, the backwash stream to a spray directed away from the pool filter.

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