Filter assembly
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United States of America Patent
Stats
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May 15, 2012
Grant Date -
Jun 24, 2010
app pub date -
Jan 22, 2010
filing date -
Aug 4, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A filter assembly for removing material entrained in a fluid stream, comprises a housing for a filter element, having a head part and a body part for receiving a filter element, and inlet and outlet ports for the fluid that is to be filtered. The head part and the body part each have engagement formations which enable the head and body parts to be connected to one another and separated by relative rotation about an axis which is coaxial with a head axis and a body axis. Head and body part keying formations can be provided in the form of at least one recess which is provided in a rib on one of the head and body parts, and at least one projection which is provided on the other of the head and body parts. The keying formations require alignment of the head and body axes for initial assembly of the head and body parts when the projection is can be received in the recess in the rib so as to restrict relative rotation of the head and body parts, and so that the head and body parts can then to be moved to an assembly position in which the projection has passed through the rib so that the head and body parts can be rotated relative to each other to allow the engagement formations to become engaged to one another.

First Claim
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- 15 United States
- 10 France
- 8 Japan
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- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
PARKER HANNIFIN LIMITED | 55 MAYLANDS AVENUE HEMEL HEMPSTEAD GB-HP2 4SJ |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bittle, Thomas S | Newcastle Upon Tyne, GB | 2 | 47 |
Lane, Brian | S. Russell, US | 19 | 330 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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