Biofiltration apparatus and method with chemical pre-treatment of contaminated air
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 19, 1999
Grant Date -
N/A
app pub date -
Sep 13, 1996
filing date -
Sep 13, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method is provided for removing contaminants from a gas, wherein the gas flows through a gas treatment chamber having a biological treatment zone and a chemical treatment zone. The amount of a chemical treatment agent that is introduced into the chemical treatment zone is adjusted in response to a sensed condition or conditions.
First Claim
all claims..Other Claims data not available
Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
BASIN WATER INC | 9302 PITTSBURGH AVENUE SUITE 210 RANCHO CUCAMONGA CA 91730 |
International Classification(s)

- 1996 Application Filing Year
- C12S Class
- 22 Applications Filed
- 9 Patents Issued To-Date
- 40.91 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Barshter, Dennis Wayne | Shamong, NJ | 2 | 25 |
# of filed Patents : 2 Total Citations : 25 | |||
Del, Vecchio Michael Arthur | Branchburg, NJ | 6 | 138 |
# of filed Patents : 6 Total Citations : 138 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 23 Citation Count
- C12S Class
- 0 % this patent is cited more than
- 26 Age
Forward Cite Landscape
- No Forward Cites to Display

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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Jun 21, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Jan 10, 2018 | PD | Priority Date | |
Jan 09, 2018 | I | Issuance | |
Dec 20, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 16, 2015 | P | Published | |
Dec 15, 2014 | F | Filing |

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