Document Overview
Document Overview This is a Utility Model Patent Certificate issued by the China National Intellectual Property Administration (CNIPA) under the Patent Law of the People’s Republic of China. The certificate confirms that the invention has been examined and the patent right has been granted and…
- Document type
- Certification Report
- Prepared by
- Alex Newman
- Published
- Last reviewed
- Topics
- Compliance & Certification
Document Overview
This is a Utility Model Patent Certificate issued by the China National Intellectual Property Administration (CNIPA) under the Patent Law of the People’s Republic of China. The certificate confirms that the invention has been examined and the patent right has been granted and publicly announced.
| Field | Detail |
|---|---|
| Document Type | Utility Model Patent Certificate |
| Certificate Number | No. 23321331 |
| Issuing Authority | China National Intellectual Property Administration (CNIPA) |
| Application Date | January 24, 2025 |
| Authorization Announcement Date | September 16, 2025 |
| Scope | Structural design of a tire inflator housing |
Product Information
The patented invention covers the housing structure of a tire inflator associated with the Longde product line manufactured by ETENWOLF. The utility model specifically addresses the mechanical and structural design of the enclosure used in portable tire inflation devices, reflecting ETENWOLF’s ongoing commitment to product innovation and intellectual property protection.
| Field | Detail |
|---|---|
| Product Name (CN) | 一种轮胎充气机壳体 |
| Product Name (EN) | A Tire Inflator Housing |
| Associated Model | Longde |
| Patent Holder | Monzhen Technology (Shenzhen) Co., Ltd. (磨针科技（深圳）有限公司) |
| Product Category | Tire Inflation Tools — Housing / Enclosure Component |
Key Details
The following table summarizes all key legal and bibliographic information as recorded on the official patent certificate.
| Field | Detail |
|---|---|
| Utility Model Name | A Tire Inflator Housing (一种轮胎充气机壳体) |
| Patent Holder | Monzhen Technology (Shenzhen) Co., Ltd. |
| Holder Address | Room 503, Floor 5, Building 4, Phase 2, Tianan Yun Valley Industrial Park, Gangtou Community, Bantian Street, Longgang District, Shenzhen, Guangdong Province, 518000, China |
| Inventors | Zhong Quanchang; Zhou Zhang; Tian Yingming |
| Patent Number | ZL 2025 2 0167836.4 |
| Authorization Announcement Number | CN 223344228 U |
| Patent Application Date | January 24, 2025 |
| Authorization Announcement Date | September 16, 2025 |
| Applicant at Filing Date | Monzhen Technology (Shenzhen) Co., Ltd. |
| Inventors at Filing Date | Zhong Quanchang; Zhou Zhang; Tian Yingming |
| Director General Signature | Shen Changyu (申长雨) |
Standards & Compliance
As a utility model patent granted under the Patent Law of the People’s Republic of China, this certificate reflects compliance with the applicable national patent examination standards. Utility model patents in China protect the shape, structure, or combination thereof of a product, and are examined for novelty and practical applicability.
- Governing Law: Patent Law of the People’s Republic of China
- Patent Type: Utility Model (实用新型) — protects the structural and functional design of the tire inflator housing
- Examination Standard: Preliminary examination by CNIPA confirming novelty and industrial applicability
- Legal Basis: Patent rights take effect from the date of the authorization announcement (September 16, 2025)
- Record of Rights: The validity of the patent right and any changes to the patent holder are governed by the Patent Register maintained by CNIPA
The Longde tire inflator housing design is protected intellectual property. Any reproduction or imitation of the patented housing structure without authorization may constitute patent infringement under Chinese law.
Validity & Certification Body
The patent right becomes effective on the authorization announcement date and remains valid for the statutory term applicable to utility model patents in China, which is 10 years from the application date, subject to the timely payment of annual maintenance fees.
| Field | Detail |
|---|---|
| Effective Date | September 16, 2025 (Authorization Announcement Date) |
| Application Date | January 24, 2025 |
| Statutory Validity Term | 10 years from the application date (until approximately January 24, 2035) |
| Issuing Authority | China National Intellectual Property Administration (CNIPA) |
| Director General | Shen Changyu (申长雨) |
| Certificate Number | No. 23321331 |
| Legal Status Reference | CNIPA Patent Register (patent validity and ownership changes governed by register records) |
For the most current legal status of this patent, including any ownership transfers or licensing arrangements, please consult the official CNIPA patent register.
Frequently Asked Questions
- What does Patent ZL 2025 2 0167836.4 protect?
- Patent ZL 2025 2 0167836.4 is a utility model patent that protects the structural design of the tire inflator housing used in the Longde tire inflator. It covers the shape, structure, and combination of components that form the outer enclosure of the device.
- Who owns this patent and when was it granted?
- The patent is held by Monzhen Technology (Shenzhen) Co., Ltd. (磨针科技（深圳）有限公司), the manufacturing entity behind the ETENWOLF Longde product line. The patent was granted and announced on September 16, 2025, by the China National Intellectual Property Administration (CNIPA).
- How long is this utility model patent valid?
- Under Chinese patent law, utility model patents are valid for 10 years from the application date. Since this patent was filed on January 24, 2025, it is valid until approximately January 24, 2035, provided annual maintenance fees are paid on time.
- What is the authorization announcement number for this patent?
- The authorization announcement number is CN 223344228 U. This number, along with the patent number ZL 2025 2 0167836.4 and certificate number 23321331, can be used to look up the patent’s current legal status in the official CNIPA database.
Related Documents
The following certification and documentation types are relevant for the Longde tire inflator and are recommended to support a complete compliance and intellectual property portfolio:
- Appearance / Design Patent: Protects the ornamental and aesthetic design of the tire inflator exterior, complementing this utility model patent on structural housing design.
- CE Declaration of Conformity: Required for sale in European markets, covering safety, EMC, and relevant directives for portable inflation tools.
- FCC Declaration of Conformity: Required for the US market, certifying electromagnetic compatibility of the tire inflator’s electronic components.
- RoHS Compliance Certificate: Confirms restriction of hazardous substances in the product’s materials, required for EU market entry.
- UN 38.3 Battery Test Report: If the Longde model includes a lithium battery, a UN 38.3 transport test report is required for international shipping compliance.
- ISO 9001 Quality Management Certificate: Documents the manufacturing quality management system of the production facility.
- Invention Patent Application: For deeper protection of any novel technical methods or processes used in the tire inflator mechanism, an invention patent application may be pursued alongside this utility model registration.
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