Method and apparatus for renewing gas-entry faces of a panel for gas and granular material contacting
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United States of America Patent
Stats
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Oct 19, 2010
Grant Date -
N/A
app pub date -
Jul 7, 2006
filing date -
Jul 14, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
There is provided an improved method and apparatus for renewal of a plurality of faces across which gas enters a panel of a granular material. The panel is for contacting the gas and granular material with each other to effect physical or chemical treatment of at least one of them (for example, to filter dust from a gas or to remove a constituent from a gas by means of adsorption or absorption). In the panel, gas-entry faces are transversely disposed, upwardly spaced, and held in place by supporting members. These supporting members are subjected to a sharp motion in a direction toward the gas-entry faces, causing body movement of the granular material toward the faces, thereby causing moieties of granular material to fall away therefrom. Removal of these moieties and exposure of previously underlying granular material renew the faces. Flat-plate louvers are preferred supporting members.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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ARTHUR M SQUIRES IRREVOCABLE TRUST | 841 ROCKY ACRES LANE BLACKSBURG VA 24060 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Squires, Arthur M | P.O. Box 10098 | 9 | 22 |
# of filed Patents : 9 Total Citations : 22 |
Cited Art Landscape
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Patent Citation Ranking
- 3 Citation Count
- B01D Class
- 6.01 % 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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Nov 21, 2022 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Nov 21, 2022 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Oct 19, 2022 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Oct 19, 2022 |
Jun 06, 2022 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Apr 04, 2018 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2552) year of fee payment: 8 |
Apr 16, 2014 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Sep 26, 2011 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SQUIRES, ARTHUR M.;REEL/FRAME:027025/0513 Owner name: ARTHUR M. SQUIRES IRREVOCABLE TRUST, VIRGINIA Effective Date: Sep 26, 2011 |
Oct 19, 2010 | I | Issuance | |
Sep 29, 2010 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 07, 2006 | F | Filing | |
Jul 14, 2005 | PD | Priority Date |

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