What does US Design Patent D1,021,656 S protect?

It protects the ornamental appearance of a tire pressure gauge as depicted in seven official drawing sheets. It covers only the visual design, not the functional or mechanical aspects of the gauge.

How long is this design patent valid?

The patent is valid for 15 years from the grant date of April 9, 2024, expiring approximately April 9, 2039. No maintenance fees are required for U.S. design patents.

Who is the inventor of this patented tire pressure gauge design?

The inventor and applicant is Wei Zhang, based in Shenzhen, China. The design was first filed in China under application number CN 202230226575.0 on April 21, 2022, and the U.S. application (29/840,090) was filed on May 26, 2022, claiming that foreign priority.

US Design Patent D1,021,656 S — Tire Pressure Gauge Ornamental Design by Wei Zhang

Document Overview

Document Overview This article covers a United States Design Patent Certificate issued by the United States Patent and Trademark Office (USPTO). The patent protects the ornamental appearance of a tire pressure gauge product. The certificate was granted on April 9, 2024, and the corresponding application…

Document type: Certification Report
Prepared by: Alex Newman
Published: July 22, 2026
Last reviewed: July 25, 2026
Topics: Compliance & Certification

Document Overview

This article covers a United States Design Patent Certificate issued by the United States Patent and Trademark Office (USPTO). The patent protects the ornamental appearance of a tire pressure gauge product. The certificate was granted on April 9, 2024, and the corresponding application was filed on May 26, 2022. The document type is a formal design patent grant under United States patent law, conferring the right to exclude others from making, using, offering for sale, selling, or importing the protected design within the United States of America. The patent term is 15 years from the date of grant, consistent with applications filed on or after May 13, 2015. No maintenance fees are required for design patents of this type, as noted in the official USPTO maintenance fee notice (Form PTO-379C, Rev 09/17).

Product Information

The patented article is a Tire Pressure Gauge, an inflation and measurement tool used to read and monitor vehicle tire pressure. The product is designed and developed by Wei Zhang, based in Shenzhen, China. The design represents the ornamental appearance — shape, contour, and visual form — of the gauge as depicted across seven drawing sheets included in the patent filing. The product model associated with this patent within the ETENWOLF product family is referenced internally as 中诺 (Zhongnuo). To explore current tire pressure gauge models available from ETENWOLF, visit the ETENWOLF product shop.

Field	Detail
Product Name	Tire Pressure Gauge
Inventor / Applicant	Wei Zhang, Shenzhen, CN
Internal Model Reference	中诺 (Zhongnuo)
Patent Type	Ornamental Design Patent
Country of Grant	United States of America
Number of Drawing Sheets	7
Number of Claims	1

Key Details

The following table summarises all key bibliographic data extracted directly from the patent certificate, preserving all official numbers and dates as issued by the USPTO.

Field	Value
Patent Number	US D1,021,656 S
Application Number	29/840,090
Filing Date	May 26, 2022
Date of Patent (Grant Date)	April 9, 2024
Foreign Priority Application	CN 202230226575.0, filed April 21, 2022
Patent Term	15 Years from Grant Date
Maintenance Fees	None required for design patents
LOC (14) Classification	10-04
U.S. Classification (USPC)	D10/86
CPC Classifications	G01L 19/086; G01L 17/00; G01L 17/005
Primary Examiner	Antoine Duval Davis
Claim	The ornamental design for a tire pressure gauge, as shown and described.

The patent drawings consist of seven sheets depicting the design from all standard orthographic and perspective views:

FIG. 1 — Front perspective view
FIG. 2 — Front view
FIG. 3 — Rear view
FIG. 4 — Left side view
FIG. 5 — Right side view
FIG. 6 — Top view
FIG. 7 — Bottom view

Prior art references cited by the examiner include U.S. Patent D501,418 S (Wang, February 2005) and U.S. Patent D524,667 S (Fujioka, July 2006), both classified under D10/86.

Standards & Compliance

This design patent was granted pursuant to the legal framework governing ornamental design protection in the United States. The following statutes and classifications apply:

Standard / Statute	Description
35 U.S.C. § 171	Authorises the grant of patents for new, original, and ornamental designs for articles of manufacture
35 U.S.C. § 253	Governs disclaimers that may affect the patent term
USPC D10/86	U.S. Patent Classification for design of measuring and testing instruments — tire gauges
CPC G01L 19/086	Cooperative Patent Classification for pressure gauge accessories and housings
CPC G01L 17/00 / 17/005	CPC for measuring fluid pressure, tyre pressure gauges
LOC (14) Class 10-04	Locarno Classification for measuring instruments

The granting of this patent confirms that the requirements of U.S. patent law have been fully complied with, and the USPTO Director has determined that the design merits patent protection. This design patent does not cover functional features; it protects only the specific ornamental appearance of the article as illustrated in the seven drawing sheets.

Validity & Certification Body

The patent was granted by the United States Patent and Trademark Office (USPTO), the federal agency responsible for issuing patents and registering trademarks in the United States.

Field	Detail
Issuing Authority	United States Patent and Trademark Office (USPTO)
Grant Date	April 9, 2024
Patent Term	15 years from April 9, 2024 (valid until approximately April 9, 2039)
Maintenance Fee Requirement	None — design patents require no maintenance fees
Governing Law	35 U.S.C. (United States Code, Title 35 — Patents)
Foreign Priority Country	China (CN)
Foreign Priority Date	April 21, 2022
Foreign Priority Number	202230226575.0

The patent confers on the titleholder the right to exclude others from making, using, offering for sale, selling, or importing the protected design throughout the United States for the full 15-year term. This protection is enforceable from the grant date. Because the application was filed after May 13, 2015, the 15-year term applies in accordance with the Hague Agreement provisions adopted by U.S. law.

Frequently Asked Questions

What does US Design Patent D1,021,656 S protect?: It protects the ornamental appearance — the visual and aesthetic design — of a tire pressure gauge as depicted in seven official drawing sheets (front, rear, left side, right side, top, bottom, and perspective views). It does not protect the functional or mechanical aspects of the gauge.
How long is this design patent valid?: The patent term is 15 years from the grant date of April 9, 2024, meaning protection extends until approximately April 9, 2039. No maintenance fees are required to keep the patent in force during this period.
Who is the inventor and applicant of this patent?: The inventor and applicant is Wei Zhang, based in Shenzhen, China. A corresponding Chinese design application (CN 202230226575.0) was filed on April 21, 2022, establishing foreign priority for this U.S. patent.
What rights does this patent grant to ETENWOLF?: The patent grants the titleholder the exclusive right to exclude third parties from making, using, offering for sale, selling, or importing the protected tire pressure gauge design within the United States for the duration of the 15-year term. This strengthens ETENWOLF’s intellectual property portfolio for its inflation tools and gauge products.