Heat exchanger for water heater
Latest NORITZ CORPORATION Patents:
- REMOTE MONITORING SYSTEM AND RELAY DEVICE USED THEREFOR
- Driving method for solenoid valve, solenoid valve driving apparatus, and combustion apparatus including same
- Exhaust adapter, exhaust structure for water heater, and method for installing exhaust adapter
- Control apparatus for water heater
- COMBUSTION APPARATUS AND WATER HEATER HAVING SAME
Description
The broken lines shown in the drawings represent portions of the heat exchanger for water heater that form no part of the claimed design.
Claims
The ornamental design for a heat exchanger for water heater, as shown and described.
Referenced Cited
U.S. Patent Documents
D831805 | October 23, 2018 | Chiang |
D832413 | October 30, 2018 | Chiang |
20110017433 | January 27, 2011 | Feberwee |
20140190425 | July 10, 2014 | Oohigashi |
20150176861 | June 25, 2015 | Karaki |
20170059205 | March 2, 2017 | Kim |
20170299274 | October 19, 2017 | Cho |
20170321970 | November 9, 2017 | Choi |
20170350618 | December 7, 2017 | Ojiro |
20180087805 | March 29, 2018 | Ooshita |
20180306529 | October 25, 2018 | Kasamatsu |
20190186784 | June 20, 2019 | Ono |
20190186785 | June 20, 2019 | Ono |
20190195563 | June 27, 2019 | Ohigashi |
Patent History
Patent number: D917031
Type: Grant
Filed: Nov 12, 2020
Date of Patent: Apr 20, 2021
Assignee: NORITZ CORPORATION (Hyogo)
Inventors: Takeshi Oohigashi (Hyogo), Masaki Kondo (Hyogo), Norihide Wada (Hyogo)
Primary Examiner: Ania Aman
Application Number: 29/758,050
Type: Grant
Filed: Nov 12, 2020
Date of Patent: Apr 20, 2021
Assignee: NORITZ CORPORATION (Hyogo)
Inventors: Takeshi Oohigashi (Hyogo), Masaki Kondo (Hyogo), Norihide Wada (Hyogo)
Primary Examiner: Ania Aman
Application Number: 29/758,050
Classifications
Current U.S. Class:
Heat Exchange Unit, E.g., Coil, Etc. (D23/323)