Yufei Ren

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Walk-behind self-propelled working machine
- Patent number 11,844,305
- Issue date Dec 19, 2023
- Nanjing Chevron Industry Co., Ltd.
- Yufei Ren
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
WALK-BEHIND ELECTRIC DEVICE
- Publication number 20240099185
- Publication date Mar 28, 2024
- Nanjing Chervon Industry Co., Ltd.
- Yiwen Xia
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
REAR-MOVING SELF-PROPELLED WORKING MACHINE
- Publication number 20230037664
- Publication date Feb 9, 2023
- Nanjing Chervon Industry Co., Ltd.
- Ronggen Zhu
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
WALK-BEHIND SELF-PROPELLED WORKING MACHINE
- Publication number 20220361401
- Publication date Nov 17, 2022
- Nanjing Chervon Industry Co., Ltd.
- Yufei Ren
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
WALK-BEHIND SELF-PROPELLED WORKING MACHINE
- Publication number 20220132732
- Publication date May 5, 2022
- Nanjing Chervon Industry Co., Ltd.
- Yufei Ren
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING