Pressure relief in high pressure refrigeration system
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United States of America Patent
Stats
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May 1, 2018
Issued Date -
N/A
app pub date -
Jan 17, 2008
filing date -
Jan 17, 2008
priority date (Note) -
In Force
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Abstract
A CO2 vapor compression system is provided with at least one pressure relief device which is designed to open when the pressure in the low pressure side exceeds the predetermined level because of exposure to high temperatures during non-operational periods. A pressure relief device is provided near the compressor suction inlet to relieve one section of the circuit and another is provided upstream of an unloading valve to relieve pressure in another section thereof.
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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CARRIER CORPORATION | 13995 PASTEUR BLVD PALM BEACH GARDENS FL 33418 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Asprovski, Zvonko | Liverpool, US | 12 | 227 |
# of filed Patents : 12 Total Citations : 227 | |||
Duraisamy, Suresh | Liverpool, US | 21 | 597 |
# of filed Patents : 21 Total Citations : 597 |
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- F25B Class
- 0 % this patent is cited more than
- 7 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 1, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 1, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
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Legal Events
Date | Code | Event | Description |
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Nov 03, 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 |
May 15, 2018 | I | Issuance | |
Apr 25, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 14, 2016 | P | Published | |
Jan 08, 2016 | F | Filing | |
Dec 10, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GOMEZ, RANDY;NAKADAI, KAZUHIRO;REEL/FRAME:037441/0518 Owner name: HONDA MOTOR CO., LTD., JAPAN Effective Date: Dec 10, 2015 |
Jan 14, 2015 | PD | Priority Date |

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