Kai Li

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Taiyuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Depth limiting device
- Patent number 11,534,840
- Issue date Dec 27, 2022
- Kai Li
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Depth limiting device
- Patent number 10,814,404
- Issue date Oct 27, 2020
- Kai Li
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Depth limiting drill
- Patent number 10,183,339
- Issue date Jan 22, 2019
- Kai Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Automatic-extending and anti-rotation scoliosis correcting system
- Patent number 9,301,784
- Issue date Apr 5, 2016
- Sheng Zhao
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR LIMITING DIFFUSION OF WEAR DEBRIS OF IN VIVO IMPLANT
- Publication number 20220015910
- Publication date Jan 20, 2022
- Kai LI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DEPTH LIMITING DEVICE
- Publication number 20210016369
- Publication date Jan 21, 2021
- Kai LI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
DEPTH LIMITING DEVICE
- Publication number 20190111500
- Publication date Apr 18, 2019
- Kai LI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Depth Limiting Drill
- Publication number 20180169769
- Publication date Jun 21, 2018
- Kai LI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
AUTOMATIC-EXTENDING AND ANTI-ROTATION SCOLIOSIS CORRECTING SYSTEM
- Publication number 20120310285
- Publication date Dec 6, 2012
- Sheng Zhao
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE