Refrigeration apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 3, 2017
Issued Date -
N/A
app pub date -
Mar 13, 2015
filing date -
Sep 13, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A refrigeration apparatus includes a compressor, two or more cylinders coupled with the compressor, and an airproof container enclosing the cylinders and filled with air or other gas. Each cylinder is provided with a piston, an inlet valve coupled with the compressor, and an outlet valve coupled with a condenser. When inlet valves are open, outlet valves are closed, and pistons move from bottom to top of cylinders, refrigerant flows from compressor into cylinders through inlet valves; and when inlet valves are closed and outlet valves are open, refrigerant flows from cylinders into condenser through outlet valves. Then, air pressure in cylinders drops, and pressure in airproof container forces pistons to move to the bottom of cylinders. The pressure in airproof container is utilized by cylinders to produce electrical energy.
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 | |
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GONG BINGXIN | GUANGDONG 510800 |
International Classification(s)

- 2015 Application Filing Year
- F25B Class
- 1157 Applications Filed
- 883 Patents Issued To-Date
- 76.32 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Gong, Bingxin | Guangzhou, CN | 7 | 2 |
# of filed Patents : 7 Total Citations : 2 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F25B Class
- 0 % this patent is cited more than
- 8 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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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 3, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 3, 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 |
Full Text

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Jun 30, 2023 | AS | ASSIGNMENT | free format text: SECURITY INTEREST;ASSIGNOR:VEKTEK LLC;REEL/FRAME:064186/0663 Owner name: VEKTEK STRATEGIC CAPITAL DEBTCO, LLC, FLORIDA Effective Date: Jun 30, 2023 |
Jun 30, 2023 | AS | ASSIGNMENT | free format text: RELEASE BY SECURED PARTY;ASSIGNOR:APOGEM CAPITAL LLC, AS AGENT;REEL/FRAME:064129/0849 Owner name: VEKTEK LLC, KANSAS Effective Date: Jun 30, 2023 |
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May 18, 2016 | FPAY | FEE PAYMENT | year of fee payment: 4 |
May 11, 2016 | AS | ASSIGNMENT | free format text: SECURITY INTEREST;ASSIGNOR:VEKTEK LLC;REEL/FRAME:038629/0977 Owner name: ABACUS FINANCE GROUP, LLC, AS ADMINISTRATIVE AGENT, NEW YORK Effective Date: May 11, 2016 free format text: SECURITY INTEREST;ASSIGNOR:VEKTEK LLC;REEL/FRAME:038629/0977 Owner name: ABACUS FINANCE GROUP, LLC, AS ADMINISTRATIVE AGENT Effective Date: May 11, 2016 |
May 11, 2016 | AS | ASSIGNMENT | free format text: ENTITY CONVERSION;ASSIGNOR:VEKTEK, INC.;REEL/FRAME:038711/0203 Owner name: VEKTEK, LLC, KANSAS Effective Date: May 11, 2016 |
Mar 05, 2013 | I | Issuance | |
Feb 13, 2013 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Mar 04, 2010 | P | Published | |
Oct 01, 2009 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GRAY, JOSEPH;KARRAS, NICK J.;SIGNING DATES FROM 20090903 TO 20090914;REEL/FRAME:023314/0375 Owner name: VEKTEK, INC.,KANSAS free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GRAY, JOSEPH;KARRAS, NICK J.;SIGNING DATES FROM 20090903 TO 20090914;REEL/FRAME:023314/0375 Owner name: VEKTEK, INC., KANSAS |
Sep 04, 2009 | F | Filing | |
Sep 04, 2008 | PD | Priority Date |

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