IP Library › Granted Patent US 1,128,051
Granted Patent S1
US 1,128,051 · App. 29/980,828 · Granted May 26, 2026

Oral irrigator

Inventor: Xionghai Yang (Hangzhou, CN)
Assignee: JOYTECH Healthcare Co., Ltd.
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Quick Facts
Patent No.
US 1,128,051
App. No.
29/980,828
Granted
May 26, 2026
Kind
S1
Claims (1)

The ornamental design for an oral irrigator as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 3, 2025
From: YANG, XIONGHAI
To: JOYTECH HEALTHCARE CO., LTD.
Reel/Frame 069729/0383 →
References Cited (12)
US D953520S · Li · 2022 [cited by examiner]
US D966501S · Yang · 2022 [cited by examiner]
US D998141S · Zhang · 2023 [cited by examiner]
US 12102497B1 · Wang · 2024 [cited by examiner]
US D1051361S · Zhang · 2024 [cited by examiner]
US D1087331S · Hou · 2025 [cited by examiner]
US D1101934S · Yu · 2025 [cited by examiner]
US 20080008979A1 · Thomas · 2008 [cited by examiner]
US 20190201175A1 · Li · 2019 [cited by examiner]
Waterpik® Cordless Advanced 2.0, reviewed Dec. 31, 2021, retrieved Jan. 30, 2026 at URL: https://www.safcodental.com/product/waterpik-sup-reg-sup-cordless-advanced-2-0?hsa_acc=3454209772&hsa_cam. [cited by examiner]
Azdent How to Use the Dental Oral Irrigator Correctly, Azdentall Dec. 19, 2021, retrieved Jan. 30, 2026 at URL: https://azdentall.com/blogs/dental-news/how-to-use-the-dental-oral-irrigator-correctly?srsltid. [cited by examiner]
JoyTech Sejoy Multi Mode Oral Irrigator for Healthy Gums and Teeth WF401, retrieved Jan. 30, 2025 at URL: https://www.sejoygroup.com/Multi-Mode-Oral-Irrigator-for-Healthy-Gums-and-Teeth-WF401-pd515401448.html. [cited by examiner]