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Forward Citations = 2

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3 inventors (with patents filed for the assignee):

Jingwei Zhao (11 out of 13 patents)

Jun Zhang (9 out of 30 patents)

Jun Zhang (2 out of 9 patents)

11 patents: Sort by Forward Citations

1. 12638083 - Cartridge sealing device with semi-solid mud filler and configured to be mounted to fluid equipment (2026-05-26),

2. 12560238 - Split oil seal composed of double springs and double rings (2026-02-24),

3. 12516693 - Pre-tightening disc spring, assembly comprising the pre-tightening disc spring, and method for manufacturing the pre-tightening disc spring (2026-01-06),

4. 12510161 - Mechanical sealing device for sealing liquid (2025-12-30),

5. 12449037 - Dual sealing ring connectors (2025-10-21),

6. 12366293 - Mechanical sealing device for sealing liquid (2025-07-22),

7. 12305762 - Sealing packing (2025-05-20),

8. 12169024 - Cartridge type mechanical sealing device for sealing liquid (2024-12-17),

9. 11603935 - Mechanical seal for liquid with an axially floating tray sleeve inside (2023-03-14),

10. 11268617 - Mechanical seal for liquid with an axially floating tray sleeve inside (2022-03-08),

11. 11054038 - Mechanical seal with outer forwardly-inclined rim for liquids (2021-07-06),

Aigi Environmental Inc. is a leading environmental services company specializing in waste management, recycling, and sustainability solutions. With a focus on innovation and technology, we are committed to helping businesses reduce their environmental footprint and meet their sustainability goals. Our comprehensive services include waste audits, recycling programs, landfill diversion, and more. Contact us today to learn how we can help your business go green.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

11 Patents

#58 in Jiangsu

#2,539 in China

#51,671 in the World

Jiangsu, China

Aigi Environmental Inc.

Forward Citations = 2

3 inventors:

Jingwei Zhao (11 out of 13 patents)

Jun Zhang (9 out of 30 patents)

Jun Zhang (2 out of 9 patents)

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