Inventor
XU XUEFENG
CN21 patents
⚠️ This page may combine multiple inventors who share the name “XU XUEFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NINGBO GEMAY IND CO LTD
7 patentsUSD803449SNov 21, 2017
Floodlight
NINGBO GEMAY IND CO LTD45 citations92
USD779092SFeb 14, 2017
Hand-held lamp
NINGBO GEMAY IND CO LTD24 citations92
USD779097SFeb 14, 2017
Portable work light
NINGBO GEMAY IND CO LTD32 citations92
USD779094SFeb 14, 2017
Portable work light
NINGBO GEMAY IND CO LTD20 citations90
USD779095SFeb 14, 2017
Work light
NINGBO GEMAY IND CO LTD7 citations82
USD779096SFeb 14, 2017
Work light
NINGBO GEMAY IND CO LTD12 citations82
US9498832B2Nov 22, 2016
Reciprocating saw blade assembly
NINGBO GEMAY IND CO LTD0 citations39
UNIV QINGDAO TECHNOLOGY
6 patentsUS12551908B2Feb 17, 2026
Electrostatic nozzle and controllable jet minimal quantity lubrication grinding system
UNIV QINGDAO TECHNOLOGY0 citations61
US12138649B2Nov 12, 2024
Electrostatic nozzle and minimal quantity lubricating and grinding system for controllable jet
UNIV QINGDAO TECHNOLOGY0 citations61
US11898699B2Feb 13, 2024
Oil mist recovery, separation and purification device for minimum quantity lubricant grinding process
UNIV QINGDAO TECHNOLOGY0 citations61
US11441729B2Sep 13, 2022
Device for recovering, separating and purifying oil mist in minimum quantity lubricant grinding process
UNIV QINGDAO TECHNOLOGY0 citations61
US11801613B2Oct 31, 2023
Carbide blade cleaning device and system
UNIV QINGDAO TECHNOLOGY0 citations50
US12202683B2Jan 21, 2025
Process system of follower fixture for tank moving support and automatic processing production line thereof
UNIV QINGDAO TECHNOLOGY0 citations49