Air cleaner arrangements; serviceable filter elements; and, methods
US-9217399-B2 · Dec 22, 2015 · US
Filter element; components thereof; and methods
US8961637B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8961637-B2 |
| Application number | US-201013144458-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 13, 2010 |
| Priority date | Jan 14, 2009 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Z-filters capable of cleaning particulate matter from airflow streams. Methods for retrofitting bag house dust collectors.
First claim
Opening claim text (preview).
What is claimed is: 1. A filter element for installation in a filter retainer tube; the filter element comprising: (a) a media pack having first and second opposite ends; the media pack having a first flow face at the first end and a second flow face at the second end; the media pack including a plurality of flutes extending between the first flow face and the second flow face; selected ones of the flutes being open at the first flow face and closed adjacent to the second flow fac…
Assignees
Inventors
Classifications
Operations & Transport · mapped topic
- B01D46/527Primary
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US8961637B2 cover?
- Z-filters capable of cleaning particulate matter from airflow streams. Methods for retrofitting bag house dust collectors.
- Who is the assignee on this patent?
- Raether Thomas D, Zauner Brian, Donaldson Co Inc
- What technology area does this patent fall under?
- Primary CPC classification B01D46/527. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Feb 24 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).