US6833017B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter assembly and method with polyimide
Assignee: SPX Technologies Inc
•
Filing: 2002-04-29
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Granted: 2004-12-21
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Expires: 2022-04-29
Abstract
Abstract A filter assembly and method includes a filter media attached to a perimeter frame using a polyimide material.
Inventors
- 👤 John Patrick Quigley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:01
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/52; B01D46/521; B01D46/0002; B01D46/0005; B01D2265/00; B01D2265/04; B01D2271/00; B01D2271/02; Y; Y10; Y10S; Y10S55/00; Y10S55/05; Y10S55/31
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
61 words
A filter assembly, comprising: a filter media having a periphery; a frame surrounding at least portion of the periphery of said filter media, and a polyimide material that substantially seals at least a portion of said filter media to said frame, wherein said polyimide material further comprises a first portion applied and cured before a second portion is applied and cured.
Claim 2
Dependent Claim
61 words
A filter assembly, comprising: a filter media having a periphery; a frame surrounding at least portion of the periphery of said filter media, and a polyimide material that substantially seals at least a portion of said filter media to said frame, wherein said polyimide material further comprises a first portion applied and cured before a second portion is applied and cured.
Claim 3
Dependent Claim
19 words
A filter assembly according to claim 1 , wherein said frame surrounds the entire periphery of said filter media.
Claim 4
Dependent Claim
26 words
A filter assembly according to claim 2 , wherein said polyimide attaches said filter media to said frame around the entire periphery of said filter media.
Claim 5
Dependent Claim
17 words
A filter assembly according to claim 1 , wherein said filter media is a pleated filter material.
Claim 6
Dependent Claim
17 words
A filter assembly according to claim 1 , wherein said filter media is a HEPA filter media.
Claim 7
Dependent Claim
17 words
A filter assembly according to claim 1 , wherein said filter media is a ULPA filter material.
Claim 8
Dependent Claim
23 words
A filter assembly according to claim 1 , wherein said frame is a rectangular frame having two side rails and two end rails.
Claim 9
Dependent Claim
36 words
A filter assembly according to claim 7 , wherein said end rails each have upturned bars that form a well that contains a portion of said polyimide that is disposed along the respective said side rail.
Claim 10
Dependent Claim
69 words
A filter assembly, comprising: a filter media having a periphery; supporting means surrounding at least a portion of the periphery of said filter media for supporting the filter media; and sealing means having polyimide for substantially sealing at least a portion of said filter media to said supporting means, wherein said sealing means further comprises a first portion applied and cured before a second portion is applied and cured.
Claim 11
Dependent Claim
69 words
A filter assembly, comprising: a filter media having a periphery; supporting means surrounding at least a portion of the periphery of said filter media for supporting the filter media; and sealing means having polyimide for substantially sealing at least a portion of said filter media to said supporting means, wherein said sealing means further comprises a first portion applied and cured before a second portion is applied and cured.
Claim 12
Dependent Claim
20 words
A filter assembly according to claim 9 , wherein said supporting means surrounds the entire periphery of the filter media.
Claim 13
Dependent Claim
28 words
A filter assembly according to claim 10 , wherein said attaching means attaches the filter media to said supporting means around the entire periphery of the filter media.
Claim 14
Dependent Claim
17 words
A filter assembly according to claim 9 , wherein said filter media is a pleated filter material.
Claim 15
Dependent Claim
16 words
A filter assembly according to claim 9 , wherein said filter media is HEPA filter media.
Claim 16
Dependent Claim
16 words
A filter assembly according to claim 9 , wherein said filter media is ULPA filter material.
Claim 17
Dependent Claim
24 words
A filter assembly according to claim 9 , wherein said supporting means is a rectangular frame having two side rails and two end rails.
Claim 18
Dependent Claim
31 words
A filter assembly according to claim 15 , wherein said side rails have containing means for containing a portion of the polyimide that is disposed along the respective said side rail.
Claim 19
Independent Claim
59 words
A method for assembling a filter assembly, comprising the steps of: providing a frame; providing a filter media; and attaching the filter media to the frame using polyimide, wherein the attaching step comprises a first step of applying and curing a first portion of the polyimide, and second step of applying and curing a second portion of the polyimide.
Claim 20
Independent Claim
59 words
A method for assembling a filter assembly, comprising the steps of: providing a frame; providing a filter media; and attaching the filter media to the frame using polyimide, wherein the attaching step comprises a first step of applying and curing a first portion of the polyimide, and second step of applying and curing a second portion of the polyimide.
Claim 21
Dependent Claim
23 words
A method according to claim 17 , wherein the attaching step further comprises applying the polyimide to the frame, and curing the polyimide.
Claim 22
Dependent Claim
28 words
A method according to claim 17 , when the attaching step further comprises containing a portion of the polyimide on a portion of the frame in a well.
Claim 23
Dependent Claim
17 words
The filter assembly of claim 1 , wherein at least part of the frame is stainless steel.
Claim 24
Dependent Claim
18 words
The filter assembly of claim 9 , wherein at least part of the supporting means is stainless steel.
Claim 25
Dependent Claim
18 words
The method of claim 17 , further comprising applying the polyimide at least in part with a brush.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2007-12-21 | 2008-06-21 | 2008-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2011-12-21 | 2012-06-21 | 2012-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2015-12-21 | 2016-06-21 | 2016-12-21 | $7700.00 | Window Closed / Lapsed |