Vent assembly for combustion gases generated by an appliance
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 20, 2010
Grant Date -
Sep 6, 2007
app pub date -
Mar 2, 2006
filing date -
Mar 2, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The combination of a vent assembly with a conduit assembly bounding a flow space into which discharged combustion gases are exhausted. The conduit assembly has a first conduit length in which: a) combustion gases are communicated in a first direction in a first path between the flue outlet and a vent outlet; and b) backflow is communicated in the first path in a direction opposite to the first direction. The conduit assembly has a draft control assembly, with a conduit portion defining a flow passage in which backflow is diverted out of the first path. The draft control assembly further has a flow guide assembly that intercepts and guidingly diverts the backflow into the conduit portion to be exhausted.
First Claim
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Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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FIELD CONTROLS LLC | 2630 AIRPORT ROAD KINSTON NC 28504 |
International Classification(s)

- 2006 Application Filing Year
- F23J Class
- 33 Applications Filed
- 11 Patents Issued To-Date
- 33.34 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Guzorek, Steven E | Kinston, US | 24 | 238 |
# of filed Patents : 24 Total Citations : 238 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F23J Class
- 0 % this patent is cited more than
- 15 Age
Forward Cite Landscape
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Maintenance Fees
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 |
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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 |
Full Text

Legal Events
Date | Code | Event | Description |
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Sep 13, 2006 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Aug 11, 2006 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Aug 11, 2006 |
Aug 11, 2006 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Mar 01, 2006 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Mar 05, 2002 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Feb 08, 2002 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 01, 2001 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
May 25, 1999 | CC | CERTIFICATE OF CORRECTION | |
Aug 11, 1998 | I | Issuance | |
Sep 07, 1994 | F | Filing | |
Sep 07, 1994 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:REYES-GAVILAN, JOSE L.;ECKARD, ALAN D.;FLAK, G. THOMAS;AND OTHERS;REEL/FRAME:007554/0391;SIGNING DATES FROM 19940728 TO 19940901 Owner name: WITCO CORPORATION, CONNECTICUT |

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