Valve removal plug with quick latch connection
US-2024295278-A1 · Sep 5, 2024 · US
Backflow prevention and method of manufacture
US8997772B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8997772-B2 |
| Application number | US-201113091470-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 21, 2011 |
| Priority date | Sep 7, 2010 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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- Title
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- Abstract
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- First independent claim
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Abstract
Official abstract text for this publication.
A backflow prevention assembly is disclosed including a backflow prevention valve having a valve housing including a valve inlet end and a valve outlet end; a spool spacer of predetermined length having a first end and a second end; an inlet shut-off valve; and an outlet shut-off valve, wherein the spool spacer extends between the backflow prevention valve and one of the inlet shut-off valve and the outlet shut-off valve. The entire assembly, including the backflow prevention valve, the spool spacer, the inlet shut-off valve, and the outlet shut-off valve, is a certified assembly, certified by a certifying authority prior to installation. Methods of manufacturing a backflow prevention assembly and replacing a backflow prevention assembly are also disclosed.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of manufacturing a backflow prevention assembly comprising the steps of: receiving a measured length of an existing backflow prevention assembly between a fluid supply conduit to a fluid exit conduit, wherein the existing backflow prevention assembly includes an inlet shut-off valve, a backflow prevention valve, and an outlet shut-off valve; receiving a footprint length of the existing backflow prevention valve, obtaining a replacement bac…
Assignees
Inventors
Classifications
- F16K43/001Primary
Mechanical Engineering · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US8997772B2 cover?
- A backflow prevention assembly is disclosed including a backflow prevention valve having a valve housing including a valve inlet end and a valve outlet end; a spool spacer of predetermined length having a first end and a second end; an inlet shut-off valve; and an outlet shut-off valve, wherein the spool spacer extends between the backflow prevention valve and one of the inlet shut-off valve an…
- Who is the assignee on this patent?
- Noll Brad L, Corral Chris, Orr William M, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification F16K43/001. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).