IP Library › Granted Patent US 1,133,108
Granted Patent S1
US 1,133,108 · App. 35/523,243 · Granted Jul 7, 2026

Automatic drain valve

Inventor: Naoki Kamimaru (Kakogawa, JP)
Assignee: TLV CO., LTD.
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Quick Facts
Patent No.
US 1,133,108
App. No.
35/523,243
Granted
Jul 7, 2026
Kind
S1
Claims (1)

The ornamental design for an automatic drain valve as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 26, 2026
From: KAMIMARU, NAOKI
To: TLV CO., LTD.
Reel/Frame 073914/0145 →
References Cited (8)
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US D335331S · Weingarten · 1993 [cited by examiner]
US D460526S · Weingarten · 2002 [cited by examiner]
US D617878S · Weingarten · 2010 [cited by examiner]
US D830519S · Ben Yaacov · 2018 [cited by examiner]
US 11149861B2 · Kim · 2021 [cited by examiner]
US 11384843B1 · Kennedy · 2022 [cited by examiner]
US D1057094S · Ishizaki · 2025 [cited by examiner]