IP Library › Granted Patent US 1,133,097
Granted Patent S1
US 1,133,097 · App. 29/936,029 · Granted Jul 7, 2026

Water filter cartridge

Inventor: Guangbing Qiu (Qingdao Pingdu, CN)
Assignee: QINGDAO PURUIJIA WATER PURIFICATION TECHNOLOGY CO., LTD.
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Quick Facts
Patent No.
US 1,133,097
App. No.
29/936,029
Granted
Jul 7, 2026
Kind
S1
Claims (1)

The ornamental design for a water filter cartridge, as shown and described.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 9, 2026
From: QIU, GUANGBING
To: QINGDAO PURUIJIA WATER PURIFICATION TECHNOLOGY CO., LTD.
Reel/Frame 074891/0544 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 5, 2024
From: QIU, GUANGBING
To: QINGDAO PURUIJIA WATER PURIFICATION TECHNOLOGY CO., LTD.
Reel/Frame 067016/0828 →
Priority Claims (1)
CN 202330870156.5 · Dec 29, 2023 · national
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“NPL.COJINLDFEI” Oct. 15, 22, Amazon.com, site visited May 8, 2025: https://www.amazon.ca/dp/B0BJ88DKYX/ref=sspa_dk_detail_1?pd_rd_i=B0BJ88DKYX&pd_ (Year: 2022). [cited by examiner]
“NPL.Drinkclear” Aug. 12, 2021, Amazon.com, site visited May 8, 2025: https://www.amazon.ca/dp/B09CGVTVM3/ref=sspa_dk_detail_2?pd_ (Year: 2021). [cited by examiner]
“NPL.Frigidaire” Jan. 27, 2021, Amazon.com, site visited May 8, 2021: https://www.amazon.ca/Frigidaire-FPPWFU01-PurePour-PWF-1-Filter/dp/B08V6JB9R7/ref=sr_ (Year: 2021). [cited by examiner]
“NPL.TopPure” Sep. 16, 2021, Amazon.com, site visited May 8, 2025: https://www.amazon.ca/Top-Pure-PureSource-Compatible-A0094E28261/dp/B08HCQKL7K/ref=sr_ (Year: 2021). [cited by examiner]