Dejian Bao

This inventor holds 3 USPTO granted patents. Top assignees: Yantai Jereh Petroleum Equipment & Technologies Co., Ltd., Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.. Active years: 2025-2026.

USPTO Granted Patents = 3

% Patents Active = 66.7

Average Co-Inventor Count = 6.7

ph-index = 1

Company Filing History:

2 out of 17

Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.

patents

1 out of 163

Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.

patents

Years Active: 2025-2026

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12663108 - Flexible pipe end portion connection structure (2026-06-23),

2. 12560279 - Automatic grease injection system and exploitation system (2026-02-24),

3. 12498060 - Fracturing transportation system (2025-12-16),

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