IP Library Granted Patent US 1,141,248
Granted Patent S1
US 1,141,248 · App. 29/949,591 · Granted Aug 11, 2026

Rolling brush for cleaning robot

Inventors: Zhiwei Zhou (Beijing, CN); Pan Cheng (Beijing, CN); Xiang Lin (Beijing, CN); Ming Liu (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 1,141,248
App. No.
29/949,591
Granted
Aug 11, 2026
Kind
S1
Claims (1)

The ornamental design for a rolling brush for cleaning robot, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 1, 2024
From: ZHOU, ZHIWEI; CHENG, PAN; LIN, XIANG; LIU, MING
To: BEIJING ROBOROCK TECHNOLOGY CO., LTD.
Reel/Frame 067879/0970 →
Priority Claims (1)
CN 202230878100.X · Dec 30, 2022 · national
Continuity (1)
Division 35517826 · Jun 26, 2023
References Cited (30)
US D680289S · Gray et al. · 2013 [cited by applicant]
US D983534S · Goff · 2023 [cited by applicant]
US D1024469S · Zhou et al. · 2024 [cited by applicant]
US 11998151B2 · Goddard · 2024 [cited by examiner]
US 12004706B2 · Liggett · 2024 [cited by examiner]
US D1035196S · Li · 2024 [cited by examiner]
US D1050646S · Xu · 2024 [cited by examiner]
US 12137797B2 · Blouin · 2024 [cited by examiner]
US 12171391B2 · Zhang · 2024 [cited by examiner]
US D1057334S · Zhou · 2025 [cited by examiner]
US D1074099S · Lin · 2025 [cited by examiner]
US 12303093B2 · Han Yuguang · 2025 [cited by examiner]
US D1084570S · Meng · 2025 [cited by examiner]
US D1084571S · Jin · 2025 [cited by examiner]
US 12364376B2 · Kang · 2025 [cited by examiner]
US D1116317S · Zhou · 2026 [cited by examiner]
US 20210068600A1 · Xing · 2021 [cited by examiner]
US 20240130590A1 · Gu et al. · 2024 [cited by applicant]
US 20240130593A1 · Li et al. · 2024 [cited by applicant]
US 20240130595A1 · Li et al. · 2024 [cited by applicant]
US 20240172906A1 · Deschenes · 2024 [cited by examiner]
US 20250072683A1 · Copeland · 2025 [cited by examiner]
US 20250151889A1 · Zhou · 2025 [cited by examiner]
US 20250160597A1 · Liu · 2025 [cited by examiner]
US 20250311906A1 · Liu · 2025 [cited by examiner]
Rubber Main Brush Replacement (online), no date available. Retrieved from Internet Nov. 17, 2025, URL: https://www.amazon.com/Replacement-Compatible-RoborockS7-Cleaner-Accessories/dp/B0DZMZPVVX/ref (4 pages). [cited by examiner]
Xiaomi Roborock S8 DuoRoller Brush (online), dated Sep. 24, 2023. Retrieved from Internet Nov. 17, 2025, URL: https://web.archive.org/web/20230924230915/https://www.robocleaners.com/en/roborock-s8s8s8-duoroller-brush.ht… [cited by examiner]
Decision of Rejection of JP Patent Application No. 2023-501505 of Oct. 25, 2024. [cited by applicant]
Ex Parte Quayle Office Action for U.S. Appl. No. 35/517,826 of Jul. 2, 2024. [cited by applicant]
Notice of Allowance for U.S. Appl. No. 29/949,597 of Mar. 23, 2026. [cited by applicant]