Multiple organic Rankine cycle system and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 8, 2015
Issued Date -
N/A
app pub date -
Jul 24, 2013
filing date -
Jul 24, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Systems and methods are provided for the use of systems that recover mechanical power from waste heat energy using multiple working expanders with a common working fluid. The system accepts waste heat energy at different temperatures and utilizes a single closed-loop circuit of organic refrigerant flowing through all expanders in the system where the distribution of heat energy to each of the expanders allocated to permit utilization of up to all available heat energy. In some embodiments, the system maximizes the output of the waste heat energy recovery process. The expanders can be operatively coupled to one or more generators that convert the mechanical energy of the expansion process into electrical energy.
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 | |
---|---|---|
BITZER US INC | 4080 ENTERPRISE WAY FLOWERY BRANCH GA 30542 |
International Classification(s)

- 2013 Application Filing Year
- F01K Class
- 260 Applications Filed
- 236 Patents Issued To-Date
- 90.77 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Leibowitz, Hank | San Ramon, US | 5 | 54 |
# of filed Patents : 5 Total Citations : 54 | |||
Wain, Hans | Truckee, US | 15 | 117 |
# of filed Patents : 15 Total Citations : 117 | |||
Williams, David | Carson City, US | 273 | 4987 |
# of filed Patents : 273 Total Citations : 4987 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 3 Citation Count
- F01K Class
- 18.37 % this patent is cited more than
- 10 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 8, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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

Legal Events
Date | Code | Event | Description |
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Dec 07, 2020 | 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 23, 2018 | I | Issuance | |
Jan 03, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 17, 2015 | P | Published | |
Jul 08, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:AUMANN, CHRISTIAN;REEL/FRAME:037093/0227 Owner name: ROBERT BOSCH GMBH, GERMANY Effective Date: Jul 08, 2015 |
Dec 11, 2013 | F | Filing | |
Dec 21, 2012 | PD | Priority Date |

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