What does US Design Patent D1,055,982 S protect?

It protects the ornamental visual design of an inflator as depicted in 8 official USPTO drawing sheets. The patent covers the specific appearance and aesthetic of the ETENWOLF inflator, not its mechanical function. Broken lines in the drawings indicate unclaimed portions of the design.

How long is US Design Patent D1,055,982 S valid?

The patent is valid for 15 years from the date of grant, December 31, 2024, giving an expiry date of December 31, 2039. Because the application was filed on January 18, 2022 — after May 13, 2015 — the 15-year term applies. No maintenance fees are required for design patents.

Who is the inventor and applicant of record for this patent?

The inventor and applicant of record are both Wei Zhang, located in Shenzhen, China. A foreign priority application (CN 202130858765.X) was filed on December 25, 2021 and is recognized by the USPTO as the priority date.

Which products does the ETENWOLF inflator design patent cover?

The patented design applies to an inflator used for tires, balls, inflatable pads, kayaks, inflatable beds, inflatable toys, and other inflatable products. The full range of ETENWOLF inflation tools can be found at https://etenwolfinflationtools.com/shop/

US Design Patent D1,055,982 – Ornamental Design for Inflator | ETENWOLF

Document Overview

Document Overview This article covers the official United States Design Patent granted by the United States Patent and Trademark Office (USPTO) for the ornamental design of an inflator product associated with ETENWOLF inflation tools. The patent was granted under U.S. patent law after the USPTO…

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

Document Overview

This article covers the official United States Design Patent granted by the United States Patent and Trademark Office (USPTO) for the ornamental design of an inflator product associated with ETENWOLF inflation tools. The patent was granted under U.S. patent law after the USPTO determined that all statutory requirements had been satisfied. The patent confers on the title holder the exclusive right to exclude others from making, using, offering for sale, selling, or importing the protected design throughout the United States of America.

Document Type: United States Design Patent Certificate
Issuing Authority: United States Patent and Trademark Office (USPTO)
Date of Grant: December 31, 2024
Patent Number: US D1,055,982 S
Scope: Ornamental design for an inflator article of manufacture, covering the visual appearance as shown in 8 drawing sheets (Figures 1–8)
Form Reference: PTO-379C (Rev 09/17)

Product Information

The patented design is for an inflator — a portable inflation device suitable for a wide range of inflatable products. The design is owned and commercialized by ETENWOLF, a global brand specializing in inflation tools and lighting gear.

Field	Detail
Product Title	Inflator (Ornamental Design)
Commercial Brand	ETENWOLF
Applicant	Wei Zhang, Shenzhen, China (CN)
Inventor	Wei Zhang, Shenzhen, China (CN)
Application Number	29/823,508
U.S. Filing Date	January 18, 2022
Foreign Priority Date	December 25, 2021 (CN) — Application No. 202130858765.X
Intended Use	Tires, balls, inflatable pads, kayaks, inflatable beds, inflatable toys, and other inflatable products

The design is documented across 8 drawing sheets illustrating front perspective, perspective-in-use, front, rear, left side, right side, top, and bottom views. Broken lines in the drawings indicate portions of the inflator that do not form part of the claimed design.

Key Details

The following table summarizes the critical bibliographic and legal data extracted directly from the patent certificate (US D1,055,982 S).

Patent Field	Value
Patent Number	US D1,055,982 S
Patent Type	Design Patent (Ornamental)
Date of Patent	December 31, 2024
Patent Term	15 Years from date of grant (application filed after May 13, 2015)
Maintenance Fees	None required for design patents
LOC (14) Class	15-02
U.S. Classification (USPC)	D15/9
Primary Examiner	Calvin E. Vansant
Assistant Examiner	Mark T. Philipps
Claim Count	1 Claim
Drawing Sheets	8 Sheets (Figures 1–8)

Key CPC classification codes associated with the search include F04B 39/102, F04B 33/005, F04B 53/14, F04B 53/92, F16L 37/18, F16L 37/20, F04D 13/06, F04D 29/22, F16K 11/048, F16K 15/20, and F16K 31/602, reflecting the technical breadth of the inflation device category.

Prior art references cited by the examiner include US design patents D385,566 S (Wang, 1997), D539,310 S (Matsuoka, 2007), D814,525 S (Yang, 2018), D824,961 S (Helgesson, 2018), D944,732 S (Sun, 2022), D1,017,644 S (Guo, 2024), and D1,044,875 S (Zhu, 2024), as well as a published ETENWOLF product listing for the S6 Tire Inflator on Amazon.com (first available August 26, 2023).

Standards & Compliance

As a USPTO-granted design patent, this certificate is issued under the statutory framework of United States patent law. The following legal standards and classifications govern this patent.

35 U.S.C. § 171: Statutory basis for design patents protecting new, original, and ornamental designs for articles of manufacture.
35 U.S.C. § 253: Governs disclaimers that may affect the patent term.
Patent Term (Post-May 13, 2015 filing): 15 years from date of grant, pursuant to the Patent Law Treaties Implementation Act.
LOC (14) Classification 15-02: Locarno International Classification for Industrial Designs — Class 15 (Machines not elsewhere specified), Subclass 02 (pumps and compressors).
USPC D15/9: U.S. Patent Classification for the ornamental design of pumps and compressors.
Form PTO-379C (Rev 09/17): Official USPTO design patent grant form used for this certificate.

No maintenance fees are required during the life of this design patent, distinguishing it from utility patents which require periodic maintenance fee payments.

Validity & Certification Body

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

Field	Detail
Granting Authority	United States Patent and Trademark Office (USPTO)
Acting Director	Acting Director of the USPTO (as named on the certificate)
Patent Number	US D1,055,982 S
Date of Grant	December 31, 2024
Validity Period	15 years from December 31, 2024 (expiry: December 31, 2039)
Jurisdiction	United States of America
Foreign Priority Recognized	CN Application 202130858765.X, filed December 25, 2021
Maintenance Fees Required	None

The rights granted under this patent allow the title holder to exclude any third party from making, using, offering for sale, selling, or importing the patented design within the United States for the full 15-year term, subject only to any applicable disclaimer under 35 U.S.C. 253.

Frequently Asked Questions

What does US Design Patent D1,055,982 S protect?: It protects the ornamental (visual) design of an inflator as shown in 8 official drawing sheets. The patent covers the specific appearance and aesthetic of the ETENWOLF inflator, not its functional mechanism. Broken lines in the drawings indicate unclaimed portions.
How long is this design patent valid?: The patent is valid for 15 years from the date of grant (December 31, 2024), making the expiry date December 31, 2039. Since the application was filed on January 18, 2022 — after May 13, 2015 — the 15-year term applies under current U.S. patent law. No maintenance fees are required.
Who is the inventor and applicant of record?: The inventor and applicant are both Wei Zhang, based in Shenzhen, China. A related foreign priority application (CN 202130858765.X) was filed on December 25, 2021, establishing an earlier priority date recognized by the USPTO.
What products does this patented design apply to?: The design is intended for use with an inflator suitable for tires, balls, inflatable pads, kayaks, inflatable beds, inflatable toys, and other inflatable products. You can explore the full range of ETENWOLF inflation tools on the official product store.