IP Library Granted Patent US 8,020,580
Granted Patent B2
US 8,020,580 · App. 12/168,293 · Granted Sep 20, 2011

Drain pipe connector for fluid filters

Assignee: Purolator Filters NA LLC
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Quick Facts
Patent No.
US 8,020,580
App. No.
12/168,293
Granted
Sep 20, 2011
Kind
B2
Abstract

The present invention is directed to a no-leak drain pipe connector for a fluid filter which helps prevent the splashing of hot fluid on individuals performing filter element and oil changes.

Claims (25)

1. A tool for draining a fluid filter comprising drain ports, a primary self sealing taper, a secondary self sealing taper, feeding threads, and a drain pipe, wherein the primary and secondary self sealing tapers provide substantially all sealing between the tool and the fluid filter.

2. The tool of claim 1 , further comprising finger wings.

3. The tool of claim 1 , further comprising a secondary seal.

4. The tool of claim 1 , further comprising a push pilot.

5. The tool of claim 1 , wherein the feeding threads are disposed between the primary and secondary self sealing tapers.

6. A tool for draining fluid from a filter assembly comprising:

at least one drain port;

a drain pipe;

a push pilot;

a primary self sealing taper;

a secondary self sealing taper;

feeding threads;

and

finger wings,

wherein the primary and secondary self sealing tapers provide all sealing between the tool and the filter assembly.

7. The tool of claim 6 , wherein the tool is constructed of a metal.

8. The tool of claim 6 , wherein the tool is constructed of plastic.

9. The tool of claim 6 , wherein the feeding threads are disposed between the primary and secondary self sealing tapers.

10. A connector for attaching a drain pipe to a fluid filter assembly comprising:

a primary self sealing taper;

a secondary self sealing taper; and

feeding threads,

wherein the primary and secondary self sealing tapers provide substantially all sealing between the connector and the fluid filter assembly.

11. The connector of claim 10 , further comprising finger wings.

12. The connector of claim 10 , wherein the feeding threads are disposed between the primary and secondary self sealing tapers.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 21, 2013
From: PUROLATOR FILTERS NA LLC
To: MANN+HUMMEL PUROLATOR FILTERS LLC
Reel/Frame 031448/0171 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 25, 2008
From: AHUJA, RAJAN; CLINE, L. STEVEN
To: PUROLATOR FILTERS NA LLC
Reel/Frame 021583/0767 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 7, 2008
From: MOREHEAD, JOHN P.; GREINER, DOUGLAS H.; PASMAN, RENEE; BOYD, ROBERT R.
To: LOCKHEED MARTIN CORPORATION
Reel/Frame 021199/0826 →
Continuity (1)
Related Publication 20100000930A1 · Jan 7, 2010