U.S. patent number D916,257 [Application Number D/702,759] was granted by the patent office on 2021-04-13 for heat exchanger for water heater.
This patent grant is currently assigned to NORITZ CORPORATION. The grantee listed for this patent is NORITZ CORPORATION. Invention is credited to Masaki Kondo, Takeshi Oohigashi, Norihide Wada.
![](/patent/grant/D0916257/USD0916257-20210413-D00000.png)
![](/patent/grant/D0916257/USD0916257-20210413-D00001.png)
![](/patent/grant/D0916257/USD0916257-20210413-D00002.png)
![](/patent/grant/D0916257/USD0916257-20210413-D00003.png)
![](/patent/grant/D0916257/USD0916257-20210413-D00004.png)
![](/patent/grant/D0916257/USD0916257-20210413-D00005.png)
![](/patent/grant/D0916257/USD0916257-20210413-D00006.png)
![](/patent/grant/D0916257/USD0916257-20210413-D00007.png)
![](/patent/grant/D0916257/USD0916257-20210413-D00008.png)
United States Patent |
D916,257 |
Oohigashi , et al. |
April 13, 2021 |
Heat exchanger for water heater
Claims
CLAIM The ornamental design for a heat exchanger for water heater,
as shown and described.
Inventors: |
Oohigashi; Takeshi (Hyogo,
JP), Kondo; Masaki (Hyogo, JP), Wada;
Norihide (Hyogo, JP) |
Applicant: |
Name |
City |
State |
Country |
Type |
NORITZ CORPORATION |
Hyogo |
N/A |
JP |
|
|
Assignee: |
NORITZ CORPORATION (Hyogo,
JP)
|
Appl.
No.: |
D/702,759 |
Filed: |
August 22, 2019 |
Current U.S.
Class: |
D23/323 |
Current International
Class: |
2303 |
Field of
Search: |
;D23/314,318,319,320,321,322,323 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
|
|
|
|
|
|
|
2420756 |
|
Feb 2012 |
|
EP |
|
60144556 |
|
Jul 1985 |
|
JP |
|
2017211115 |
|
Nov 2017 |
|
JP |
|
Other References
Document with design patents from Orbit. KR-300863123.0000 Sensible
heat exchanger Nov. 22, 2019 KR-300859556.0000 Latent heat
exchangers Jun. 20, 2016 KR- 300849333.0000 Heat exchanger for
boilers Apr. 14, 2016, KR300779296.0000 Heat exchanger for boilers
Jan. 9, 2015 (Year: 2015). cited by examiner.
|
Primary Examiner: Aman; Ania
Attorney, Agent or Firm: JCIPRNET
Description
FIG. 1 is a front view of a heat exchanger for water heater showing
our new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 1
with the internal parts omitted; and,
FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 4
with the internal parts omitted.
The broken lines shown in the drawings represent portions of the
heat exchanger for water heater that form no part of the claimed
design.
* * * * *