Method and apparatus for cooling system failure detection
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 3, 2009
Grant Date -
Feb 2, 2006
app pub date -
Dec 3, 2004
filing date -
Jul 30, 2004
priority date (Note) -
Expired
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
A system and method for detecting failure of a cooling system in an alternating current machine, such as a motor and/or a generator. For example, in one embodiment energy wasting is initiated and a failure is indicated if a temperature rises by more than a selected amount over a selected time period.
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 | |
---|---|---|
SIEMENS VDO AUTOMOTIVE CORPORATION | AUBURN HILLS |
International Classification(s)

- 2004 Application Filing Year
- F25B Class
- 792 Applications Filed
- 315 Patents Issued To-Date
- 39.78 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Nallapa, Venkatapathi Raju | West Bloomfield , US | 37 | 536 |
# of filed Patents : 37 Total Citations : 536 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- F25B Class
- 0 % this patent is cited more than
- 16 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 |
---|---|---|---|
Mar 07, 2022 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Mar 07, 2022 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Jan 30, 2022 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Jan 30, 2022 |
Sep 20, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Jul 03, 2018 | CC | CERTIFICATE OF CORRECTION | |
Jan 30, 2018 | I | Issuance | |
Jan 10, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
May 14, 2015 | P | Published | |
Jan 20, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SUN, CHUANQING;ZHANG, XIA;LIU, FENGXIA;AND OTHERS;REEL/FRAME:032118/0324 Owner name: CHINA AGRICULTURAL UNIVERSITY, CHINA Effective Date: Jan 20, 2014 |
May 09, 2012 | F | Filing | |
May 10, 2011 | PD | Priority Date |

Matter Detail

Renewals Detail
