Refrigerant recovery and filling cleaning machine
Description
The broken lines shown in the drawings illustrate portions of the refrigerant recovery and filling cleaning machine that form no part of the claimed design.
Claims
The ornamental design for a refrigerant recovery and filling cleaning machine, as shown and described.
Referenced Cited
U.S. Patent Documents
| D344527 | February 22, 1994 | Drago |
| D377179 | January 7, 1997 | Sundheim |
| D449842 | October 30, 2001 | Borre |
| D474209 | May 6, 2003 | Seymour |
| D482373 | November 18, 2003 | Seymour |
| D500508 | January 4, 2005 | Chiu |
| D536711 | February 13, 2007 | Sundheim |
| D549744 | August 28, 2007 | Sundheim |
| D649600 | November 29, 2011 | Opsahl |
| D666224 | August 28, 2012 | Pruszynski |
Patent History
Patent number: D1102490
Type: Grant
Filed: May 24, 2024
Date of Patent: Nov 18, 2025
Assignee: SHENZHEN SMARTSAFE TECH CO., LTD. (Shenzhen)
Inventors: Jun Liu (Shenzhen), Junwei Qian (Shenzhen), Meng Liu (Shenzhen), Cheng Li (Shenzhen)
Primary Examiner: Khawaja Anwar
Application Number: 29/943,940
Type: Grant
Filed: May 24, 2024
Date of Patent: Nov 18, 2025
Assignee: SHENZHEN SMARTSAFE TECH CO., LTD. (Shenzhen)
Inventors: Jun Liu (Shenzhen), Junwei Qian (Shenzhen), Meng Liu (Shenzhen), Cheng Li (Shenzhen)
Primary Examiner: Khawaja Anwar
Application Number: 29/943,940
Classifications
Current U.S. Class:
Refrigeration Machinery And Apparatus (D15/79)