Water heat exchanger
Description
1. Water heat exchanger
Claims
The ornamental design for a water heat exchanger, as shown and described.
Referenced Cited
U.S. Patent Documents
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| D453560 | February 12, 2002 | Van Brunt |
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| D574938 | August 12, 2008 | Martin |
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| D844123 | March 26, 2019 | Schumann |
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| D904589 | December 8, 2020 | Oohigashi |
| D921863 | June 8, 2021 | Oliva |
Patent History
Patent number: D936193
Type: Grant
Filed: Jun 30, 2020
Date of Patent: Nov 16, 2021
Inventor: Giorgio Cestaro (Monticello Conte Otto)
Primary Examiner: Natasha Vujcic
Application Number: 35/509,908
Type: Grant
Filed: Jun 30, 2020
Date of Patent: Nov 16, 2021
Inventor: Giorgio Cestaro (Monticello Conte Otto)
Primary Examiner: Natasha Vujcic
Application Number: 35/509,908
Classifications
Current U.S. Class:
Heat Exchange Unit, E.g., Coil, Etc. (D23/323)
