Hot water supply system, water heater and hot water supply control method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 21, 2014
Issued Date -
N/A
app pub date -
Feb 28, 2011
filing date -
Dec 2, 2010
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
A hot water supply system including a water heater that includes a storage unit storing at least device information of another water heater, and performs hot water supply control by which the water heater cooperates with the other water heater, these water heaters being able to supply hot water according to a hot water supply request; one or a plurality of the other water heater that is connected to the water heater in parallel, and supplies hot water according to the hot water supply control by the water heater; communication connection means that communicably connects the water heater and the other water heater; water supply means that supplies water to the water heater and the other water heater; and hot water supply means that supplies hot water heated by the water heater and the other water heater to a hot water supply destination.
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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PURPOSE COMPANY LIMITED | 201 NISHIKASHIWABARASHINDEN FUJI-SHI SHIZUOKA-KEN |
International Classification(s)
- F24H:FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING H....
- H05B:ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE ....
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- G05D:SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC....
- F24D:DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL H....

- 2011 Application Filing Year
- F24H Class
- 185 Applications Filed
- 142 Patents Issued To-Date
- 76.76 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hatada, Yasutaka | Fuji, JP | 3 | 48 |
# of filed Patents : 3 Total Citations : 48 | |||
Naitoh, Katumi | Fuji, JP | 3 | 48 |
# of filed Patents : 3 Total Citations : 48 | |||
Nakagawa, Kazuhiko | Fuji, JP | 51 | 542 |
# of filed Patents : 51 Total Citations : 542 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 3 Citation Count
- F24H Class
- 17.48 % this patent is cited more than
- 11 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 21, 2026 |
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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Sep 13, 2006 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Aug 11, 2006 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Aug 11, 2006 |
Aug 11, 2006 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Mar 01, 2006 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Mar 05, 2002 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Feb 08, 2002 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 01, 2001 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
May 25, 1999 | CC | CERTIFICATE OF CORRECTION | |
Aug 11, 1998 | I | Issuance | |
Sep 07, 1994 | F | Filing | |
Sep 07, 1994 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:REYES-GAVILAN, JOSE L.;ECKARD, ALAN D.;FLAK, G. THOMAS;AND OTHERS;REEL/FRAME:007554/0391;SIGNING DATES FROM 19940728 TO 19940901 Owner name: WITCO CORPORATION, CONNECTICUT |

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