IP Library › Granted Patent US 1,146,483
Granted Patent S1
US 1,146,483 · App. 29/937,940 · Granted Sep 8, 2026

Beverage maker filter with stem

Inventors: Chee Wu Ho (Springfield, IL); Siew Seng Chang (Springfield, IL)
Assignee: Bunn Commercial LP
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Quick Facts
Patent No.
US 1,146,483
App. No.
29/937,940
Granted
Sep 8, 2026
Kind
S1
Claims (1)

The ornamental design for a beverage maker filter with stem as shown and described.

Assignments (2)
ENTITY CONVERSION Recorded Jul 23, 2025
From: BUNN-O-MATIC CORPORATION
To: BUNN COMMERCIAL LP
Reel/Frame 072183/0854 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 9, 2024
From: HO, CHEE WU; CHANG, SIEW SENG
To: BUNN-O-MATIC CORPORATION
Reel/Frame 068845/0559 →
References Cited (18)
US 3374897A · Martin · 1968 [cited by applicant]
US 4579048A · Stover · 1986 [cited by applicant]
US 4765896A · Hartley et al. · 1988 [cited by applicant]
US 5064533A · Anson · 1991 [cited by applicant]
US D349211S · Cerato · 1994 [cited by examiner]
US 6260476B1 · Pope · 2001 [cited by applicant]
US 6481340B2 · Pope · 2002 [cited by applicant]
US 6487961B2 · Bunn · 2002 [cited by applicant]
US D508119S · Shayan · 2005 [cited by examiner]
US D593795S · Tremblay · 2009 [cited by examiner]
US 8434402B2 · Rahn et al. · 2013 [cited by applicant]
US 9161658B2 · Clark et al. · 2015 [cited by applicant]
US D850202S · Khalaj · 2019 [cited by examiner]
US 10368682B2 · Radhakrishnan et al. · 2019 [cited by applicant]
US 11412882B2 · Clark et al. · 2022 [cited by applicant]
US 12053115B2 · Banning et al. · 2024 [cited by applicant]
Alternative Brewing, “How To Make Vietnamese Drip Coffee”, YouTube, Sep. 19, 2020, https://www.youtube.com/watch?v=WUs33YjmmS8. [cited by applicant]
Nguyen Coffee Supply, “How To Make Vietnamese Coffee Using A Phin Filter with Sahra Nguyen”, YouTube, Nov. 9, 2022, https://www.youtube.com/watch?v=GSxDUR0WSbU. [cited by applicant]