Heat pump
Description
1. Heat pump
2. Heat pump
Heater, in particular a heat pump; the front side has a protruding element in the middle.
Claims
The ornamental design for a heat pump, as shown and described.
Referenced Cited
U.S. Patent Documents
2095017 | October 1937 | Wilkes |
4584463 | April 22, 1986 | Klages |
D539882 | April 3, 2007 | Li |
20140157814 | June 12, 2014 | Duplessis |
20160201929 | July 14, 2016 | Farris |
20180094833 | April 5, 2018 | Tsai |
20180135885 | May 17, 2018 | Shaffer |
20180238561 | August 23, 2018 | Yin |
20220146147 | May 12, 2022 | White |
Patent History
Patent number: D978305
Type: Grant
Filed: Apr 28, 2021
Date of Patent: Feb 14, 2023
Inventors: Claudia Tietge (Ditzingen), Winfried Werthmann (Ostfildern), Stefan Andreesen (Esslingen)
Primary Examiner: Ania Aman
Application Number: 35/512,794
Type: Grant
Filed: Apr 28, 2021
Date of Patent: Feb 14, 2023
Inventors: Claudia Tietge (Ditzingen), Winfried Werthmann (Ostfildern), Stefan Andreesen (Esslingen)
Primary Examiner: Ania Aman
Application Number: 35/512,794
Classifications
Current U.S. Class:
Domestic Water Heater Or Boiler (D23/318)