Document Overview
Document Overview This page presents the official 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 covers an invention titled Improved Plug Structure for Electronic Tire Pressure Gauge and…
- Document type
- Certification Report
- Prepared by
- Alex Newman
- Published
- Last reviewed
- Topics
- Compliance & Certification
Document Overview
This page presents the official 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 covers an invention titled Improved Plug Structure for Electronic Tire Pressure Gauge and was formally announced on July 15, 2025. The patent right takes effect from the date of the authorization announcement. Legal information regarding patent validity and any changes in patent ownership shall be governed by the entries in the Patent Register.
| Field | Details |
|---|---|
| Document Type | Utility Model Patent Certificate |
| Certificate Number | 第23080528号 |
| Issuing Authority | China National Intellectual Property Administration (CNIPA) |
| Authorization Announcement Date | July 15, 2025 |
| Filing Date | November 20, 2024 |
Product Information
The patented technology is directly applied to the Longde (龙德) series of electronic tire pressure gauges developed and manufactured by ETENWOLF’s partner entity Mozhen Technology (Shenzhen) Co., Ltd. The Longde tire pressure gauge is a precision inflation and measurement tool designed for automotive and consumer use, featuring an upgraded connector plug structure that improves reliability, sealing performance, and ease of use during tire inflation and pressure reading operations.
| Field | Details |
|---|---|
| Product Series | Longde (龙德) Electronic Tire Pressure Gauge |
| Patent Subject | Improved Plug Structure for Electronic Tire Pressure Gauge |
| Patent Holder | Mozhen Technology (Shenzhen) Co., Ltd. (磨针科技（深圳）有限公司) |
| Address | Room 503, Floor 5, Building 4, Phase 2, Tianan Yun Gu Industrial Park, Gangtou Community, Bantian Street, Longgang District, Shenzhen, Guangdong, 518000, China |
| Inventors | Zhong Quanchang; Zhang Wei; Huang Yong |
Key Details
The following table consolidates all key bibliographic and legal data recorded on the patent certificate exactly as issued by CNIPA.
| Item | Value |
|---|---|
| Utility Model Name | Improved Plug Structure for Electronic Tire Pressure Gauge (电子胎压计的改进插头结构) |
| Patent Number (ZL) | ZL 2024 2 2834987.9 |
| Authorization Announcement Number | CN 223107116 U |
| Certificate Number | 第23080528号 |
| Application (Filing) Date | November 20, 2024 |
| Authorization Announcement Date | July 15, 2025 |
| Applicant at Filing Date | Mozhen Technology (Shenzhen) Co., Ltd. |
| Inventors at Filing Date | Zhong Quanchang (钟权昌); Zhang Wei (张卫); Huang Yong (黄勇) |
| Director General Signature | Shen Changyü (申长雨) |
| Barcode / Application Reference | *2024228349879* |
Standards & Compliance
As a utility model patent granted under Chinese intellectual property law, this certificate confirms compliance with the examination requirements set out in the Patent Law of the People’s Republic of China and its implementing regulations administered by CNIPA. Utility model patents in China protect the shape, structure, or combination thereof of a product, and are subject to a substantive examination process prior to grant.
- Governing Law: Patent Law of the People’s Republic of China
- Patent Type: Utility Model (实用新型)
- Examination Body: China National Intellectual Property Administration (CNIPA)
- Publication Number: CN 223107116 U
- Applicable to: Structural and mechanical innovations in electronic measurement tools and inflation equipment
The improved plug structure covered by this patent represents a proprietary mechanical innovation, reinforcing the Longde product line’s commitment to engineering quality and intellectual property protection across its global markets.
Validity & Certification Body
Under Chinese patent law, utility model patents have a statutory protection term of 10 years from the filing date. Based on the filing date of November 20, 2024, the protection term for Patent ZL 2024 2 2834987.9 extends to approximately November 20, 2034, subject to timely payment of annual maintenance fees.
| Item | Details |
|---|---|
| Effective Date | July 15, 2025 (date of authorization announcement) |
| Filing Date | November 20, 2024 |
| Statutory Term | 10 years from filing date |
| Estimated Expiry | November 20, 2034 (subject to annual fee payment) |
| Issuing Authority | China National Intellectual Property Administration (CNIPA) |
| Director General | Shen Changyü (申长雨) |
| Legal Reference | Patent Register of the People’s Republic of China |
Any changes to patent ownership, licensing, or validity status are recorded in the official Patent Register and take precedence over the face of this certificate.
Frequently Asked Questions
- What does Patent ZL 2024 2 2834987.9 protect?
- This utility model patent protects the improved plug structure used in the Longde electronic tire pressure gauge. Specifically, it covers the shape and structural design of the connector plug, which enhances the durability, seal integrity, and user operability of the device.
- Who owns this patent?
- The patent is held by Mozhen Technology (Shenzhen) Co., Ltd. (磨针科技（深圳）有限公司), the manufacturing and R&D partner behind the ETENWOLF Longde product line. The inventors are Zhong Quanchang, Zhang Wei, and Huang Yong.
- When does the patent expire?
- The utility model patent was filed on November 20, 2024, giving it a 10-year statutory term under Chinese patent law. It is therefore valid until approximately November 20, 2034, provided annual maintenance fees are paid as required.
- Is this patent recognized internationally?
- This certificate is granted under Chinese national law by CNIPA. For international protection, a corresponding PCT (Patent Cooperation Treaty) application or regional filings would be required. Customers and business partners outside China should consult the patent register for the relevant jurisdiction.
Related Documents
The following certification and intellectual property documents are recommended complements to this utility model patent for the Longde electronic tire pressure gauge product line:
- Invention Patent Certificate — covering method-based or process innovations related to tire pressure measurement algorithms or inflation control logic.
- Appearance Design Patent Certificate — protecting the industrial design and visual appearance of the Longde gauge housing and UI elements.
- CE Certification — confirming conformity with EU directives for electronic measurement devices sold in European markets, referencing relevant IEC standards.
- FCC Declaration of Conformity — required for electronic devices with wireless or electronic components sold in the United States market.
- RoHS Compliance Report — confirming restriction of hazardous substances in the electronic components of the plug and gauge assembly, per EU RoHS Directive.
- ISO 9001 Quality Management Certificate — verifying the manufacturing quality system applied during production of the Longde gauge at the Shenzhen facility.
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