IP Library › Granted Patent US 1,146,195
Granted Patent S1
US 1,146,195 · App. 35/524,476 · Granted Sep 1, 2026

Filter of cleaning appliance

Inventors: Wei Zhang (Beijing, CN); Jinpeng Zheng (Beijing, CN); Fanwei Meng (Beijing, CN)
Assignee: Beijing Roborock Technology Co., Ltd.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 1,146,195
App. No.
35/524,476
Granted
Sep 1, 2026
Kind
S1
Claims (1)

The ornamental design for a filter of cleaning appliance, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 16, 2026
From: ZHANG, WEI; ZHENG, JINPENG; MENG, FANWEI
To: BEIJING ROBOROCK TECHNOLOGY CO., LTD.
Reel/Frame 074967/0736 →
Priority Claims (1)
CN 202430742972.2 · Nov 22, 2024 · national
References Cited (40)
US D389963S · Scanlon · 1998 [cited by examiner]
US 5783086A · Scanlon · 1998 [cited by examiner]
US D400323S · Scanlon · 1998 [cited by examiner]
US D403740S · Kott · 1999 [cited by examiner]
US 6096212A · Quick · 2000 [cited by examiner]
US 6110248A · Liu · 2000 [cited by examiner]
US D440294S · Bilek · 2001 [cited by examiner]
US D470216S · Gustafson · 2003 [cited by examiner]
US 6524411B2 · Pulek · 2003 [cited by examiner]
US 7374595B2 · Gierer · 2008 [cited by examiner]
US 7552506B2 · Lee · 2009 [cited by examiner]
US D601318S · Williams · 2009 [cited by examiner]
US D601319S · Williams · 2009 [cited by examiner]
US D601320S · Williams · 2009 [cited by examiner]
US D617065S · Williams · 2010 [cited by examiner]
US 7779506B2 · Kang · 2010 [cited by examiner]
US D638034S · Jiang · 2011 [cited by examiner]
US 8523974B2 · Mei · 2013 [cited by examiner]
US 8615844B2 · Van Raalte · 2013 [cited by examiner]
US D793544S · Ramirez · 2017 [cited by examiner]
US D844103S · Yoshita · 2019 [cited by examiner]
US 10252208B2 · Grad · 2019 [cited by examiner]
US 10368706B1 · Seasholtz · 2019 [cited by examiner]
US D879276S · King, Jr. · 2020 [cited by examiner]
US D885519S · Suzuki · 2020 [cited by examiner]
US 10926203B2 · Vichev · 2021 [cited by examiner]
US D914309S · Cole · 2021 [cited by examiner]
US D921835S · Miles · 2021 [cited by examiner]
US 20060261002A1 · Dworatzek · 2006 [cited by examiner]
US 20130228194A1 · Holsten · 2013 [cited by examiner]
US 20160354714A1 · Klein · 2016 [cited by examiner]
US 20160354716A1 · Seo · 2016 [cited by examiner]
US 20210321844A1 · Seasholtz · 2021 [cited by examiner]
CN 305843827S · 2020 [cited by applicant]
CN 305981736S · 2020 [cited by applicant]
CN 306413104S · 2021 [cited by applicant]
CN 307522131S · 2022 [cited by applicant]
Mingkunhao Original Hepa Filter, Cyclone Filter, Compatible For Roborock . . . , available in Amazon.com, date first available Dec. 27, 2025 [online], [site visited Mar. 9, 2026], Available from the internet URL: https:… [cited by examiner]
Notice of Allowance issued in corresponding Russian Patent Application No. 2025503816, dated Oct. 9, 2025. [cited by applicant]
Notice of Allowance issued in corresponding Taiwanese Patent Application No. 114301452, dated Nov. 6, 2025. [cited by applicant]