Direct contact process and method for producing hot water using mature fine tailings (MFT)
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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Mar 25, 2025
Grant Date -
Apr 13, 2023
app pub date -
Oct 12, 2022
filing date -
Oct 12, 2022
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
The present invention discloses systems and methods for supplying hot water for primary extraction in the oil sands bitumen extraction process. Direct contact process and method for producing hot water using mature fine tailings are provided by employing a double staged submerge arrangement with a thickener vessel containing a submerged fuel burner and a hot water vessel containing a submerged fuel burner, a flash submerged arrangement with a flash concentrator vessel containing or adjacent to a fuel burner and a hot water vessel containing a submerged fuel burner or a triple cascade arrangement with a flash concentrator vessel, a thickener vessel containing a submerged fuel burner and a hot water vessel containing a submerged fuel burner.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATURAL RESOURCES | OTTAWA ONTARIO K1A 0E4 |
International Classification(s)

- 2022 Application Filing Year
- B03B Class
- 75 Applications Filed
- 37 Patents Issued To-Date
- 49.34 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Asiri, Mohammad | McNab/Braeside, CA | 3 | 0 |
# of filed Patents : 3 Total Citations : 0 | |||
Chen, Steven | Ottawa, CA | 113 | 1685 |
# of filed Patents : 113 Total Citations : 1685 | |||
Clements, Bruce | Ottawa, CA | 11 | 85 |
# of filed Patents : 11 Total Citations : 85 | |||
Geddis, Phil | Ottawa, CA | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Hataley, Brianna | Ottawa, CA | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Herage, Ted | Stittsville, CA | 3 | 0 |
# of filed Patents : 3 Total Citations : 0 | |||
Wu, Lijun | Ottawa, CA | 59 | 303 |
# of filed Patents : 59 Total Citations : 303 | |||
Zhuang, Quan | Ottawa, CA | 11 | 402 |
# of filed Patents : 11 Total Citations : 402 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- B03B Class
- 0 % this patent is cited more than
- < 1 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Sep 25, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 25, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 25, 2036 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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

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May 24, 2022 | P | Publication | |
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Jun 05, 2019 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: DOCKETED NEW CASE - READY FOR EXAMINATION |
May 02, 2019 | P | Published | |
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Jan 22, 2019 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO SMALL (ORIGINAL EVENT CODE: SMAL); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Dec 26, 2018 | F | Filing | |
Dec 26, 2018 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Mar 20, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HSIEH, CHIH-CHING;REEL/FRAME:047852/0060 Owner name: KABO TOOL COMPANY, TAIWAN Effective Date: Mar 20, 2014 |

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