Inventor
LIU ZHIFENG
CN19 patents
⚠️ This page may combine multiple inventors who share the name “LIU ZHIFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV HEFEI TECHNOLOGY
6 patentsUS11518131B2Dec 6, 2022
Press machine execution system
UNIV HEFEI TECHNOLOGY0 citations59
US11186057B2Nov 30, 2021
Press machine and press machine execution system
UNIV HEFEI TECHNOLOGY0 citations59
US11803167B2Oct 31, 2023
Energy service system of multi-machine production line and design method of shared drive system
UNIV HEFEI TECHNOLOGY0 citations49
US11214029B2Jan 4, 2022
Energy-saving double-motor double-station screw press
UNIV HEFEI TECHNOLOGY0 citations49
US12276031B2Apr 15, 2025
Device and method for fabricating ceramic reinforced composite coating based on plasma remelting and injection
UNIV HEFEI TECHNOLOGY0 citations42
US11890661B2Feb 6, 2024
Electromagnetic stamping method and device
UNIV HEFEI TECHNOLOGY0 citations41
UNIV BEIJING TECHNOLOGY
3 patentsUS11428625B2Aug 30, 2022
Device for measuring friction coefficient under the condition of material periodic deformation
UNIV BEIJING TECHNOLOGY5 citations67
US10088386B2Oct 2, 2018
Device and method for measuring three-dimensional contact stiffness of spur gear based on rough surface
UNIV BEIJING TECHNOLOGY1 citations47
US10859535B2Dec 8, 2020
Detecting device and method for acoustic emission on high-frequency motion rubbing pair surface
UNIV BEIJING TECHNOLOGY0 citations34
BEIJING QIHOO TECHNOLOGY CO
2 patentsUS9830452B2Nov 28, 2017
Scanning device, cloud management device, method and system for checking and killing malicious programs
BEIJING QIHOO TECHNOLOGY CO3 citations68
US9948670B2Apr 17, 2018
Cloud security-based file processing by generating feedback message based on signature information and file features
BEIJING QIHOO TECHNOLOGY CO0 citations36