Granted Patent
S1
US 1,148,144 · App. 30/002,296 · Granted Sep 15, 2026
Oxygen concentrator
Assignee:
Zhuzi Technology (Guangdong) Co., Ltd
View Patent ↗
Loading inventors, assignments & file history…
Claims (1)
The ornamental design for an oxygen concentrator, as shown and described.
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded May 5, 2025
From: LIN, GUOQUAN
To: ZHUZI TECHNOLOGY (GUANGDONG) CO., LTD
Reel/Frame 071016/0453 →
Priority Claims (1)
CN 202530223614.5
· Apr 23, 2025
· national
References Cited (55)
US D195390S
· Tyler
· 1963
[cited by examiner]
US D244385S
· McCord
· 1977
[cited by examiner]
US D249891S
· Rowland
· 1978
[cited by examiner]
US D261676S
· McCombs
· 1981
[cited by examiner]
US D262571S
· Francis
· 1982
[cited by examiner]
US D264243S
· Merker
· 1982
[cited by examiner]
US D565178S
· Tanaka
· 2008
[cited by examiner]
US D574961S
· Kitahara
· 2008
[cited by examiner]
US D626224S
· Amano
· 2010
[cited by examiner]
US D640376S
· Amano
· 2011
[cited by examiner]
US D640377S
· Amano
· 2011
[cited by examiner]
US D679800S
· Gusky
· 2013
[cited by examiner]
US D693005S
· Nawata
· 2013
[cited by examiner]
US RE46580E
· Johnson
· 2017
[cited by examiner]
US D808017S
· Ito
· 2018
[cited by examiner]
US D854161S
· Suda
· 2019
[cited by examiner]
US D887005S
· Lin
· 2020
[cited by examiner]
US D924405S
· Imbruce
· 2021
[cited by examiner]
US D982162S
· Jiang
· 2023
[cited by examiner]
US 20050089458A1
· Oke
· 2005
[cited by examiner]
US 20160263341A1
· Lin
· 2016
[cited by examiner]
US 20250177678A1
· Wainwright
· 2025
[cited by examiner]
CA 240202
· 2026
[cited by examiner]
CN 2022307189630
· 2023
[cited by examiner]
CN 309654288
· 2025
[cited by examiner]
EM 151010010001
· 2025
[cited by examiner]
GB 641147
· 2025
[cited by examiner]
JP D1808736
· 2025
[cited by examiner]
WO WOD2344410002
· 2024
[cited by examiner]