Pipe expander

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Description

FIG. 1 is a top perspective view of a pipe expander showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a partial enlarged view taken from circle 9 in FIG. 1.

The dash-dash broken lines in the drawings illustrate the portions of the pipe expander that form no part of the claimed design.

The dot-dash broken lines in the drawings are provided for annotative purposes to graphically indicate the areas of enlargement. These dot-dash broken lines do not represent actual structure and do not form part of the claimed design.

Claims

The ornamental design for a pipe expander, as shown and described.

Referenced Cited
U.S. Patent Documents
D897799 October 6, 2020 Hochstrasser
D907979 January 19, 2021 Nakamura
D918686 May 11, 2021 Hochstrasser
D966066 October 11, 2022 Chang
20240239036 July 18, 2024 Li
20250065391 February 27, 2025 Jiang
20250214129 July 3, 2025 Yabunaka
20250235921 July 24, 2025 McManus
20250319647 October 16, 2025 Yakabe
20250381725 December 18, 2025 Chen
Other references
  • “Electric Pex Expander Tool Kit Rechargeable Pex-A Expansion Tool Kit with 16mm, 20mm, 25mm Auto Rotation Expansion Heads, . . . ” Amazon., Aug. 5, 2023 [online], [retrieved on Jan. 10, 2026]. Retrieved from the Internet <URL: https://www.amazon.co.uk/Electric-Expander-Rechargeable-Expansion-forUnderfloor/dp/B0CDQM8JMM>.
  • “Zupper 18V Pro Pex Expansion Tool Kit with ½″, ¾″, 1″ Pro Pex Expander Heads for Pex-A material, 2pcs Battery, . . . ” Amazon., May 12, 2023 [online], [retrieved on Jan. 16, 2026]. Retrieved from the Internet <URL: https://www.amazon.com/ZUPPER-ME-1225-ProPEX-Expansion-Batteries/dp/B0C4NWK4W6/>.
  • “Mmnze Electric Pex Expander Tool Kit Pex A Pipe Expansion Tool Kit with 4 Expander Head and 2 Batteries (MZ-SGK-1632).” Amazon., May 22, 2023 [online], [retrieved on Jan. 16, 2026]. Retrieved from the Internet <URL: https://www.amazon.com/MMNZE-Electric-Expansion-Batteries-MZ-SGK-1632/dp/B0C5XMH14C>.
  • “MilwaukeeTool 2474-22 M12 Cordless Pex Expander Kit—2 Batteries.” Amazon., Jul. 11, 2021 [online], [retrieved on Jan. 16, 2026]. Retrieved from the Internet <URL: https://www.amazon.com/MilwaukeeTool-2474-22-M12-Cordless-Expander/dp/B0994QYTQB/>.
Patent History
Patent number: D1124817
Type: Grant
Filed: Jul 3, 2024
Date of Patent: May 5, 2026
Assignee: Taizhou Naibo Machinery Co., Ltd. (Taizhou)
Inventor: Huabin Chen (Taizhou)
Primary Examiner: Darlington Ly
Application Number: 29/950,646
Classifications
Current U.S. Class: D8/68