Membership
Tour
Register
Log in
Zhaorong BING
Follow
Person
Qingdao, CN
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Width-adjustable packaging bag shaper, bag maker, packaging machine...
Patent number
11,472,588
Issue date
Oct 18, 2022
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe Li
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Continuous supply precision minimum quantity lubrication pump suppo...
Patent number
10,969,058
Issue date
Apr 6, 2021
Qingdao University of Technology
Changhe Li
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
WIDTH-ADJUSTABLE PACKAGING BAG SHAPER, BAG MAKER, PACKAGING MACHINE...
Publication number
20210403191
Publication date
Dec 30, 2021
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
NANOFLUID MINIMUM QUANTITY LUBRICATION GRINDING DEVICE OF ULTRASONI...
Publication number
20200023485
Publication date
Jan 23, 2020
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B24 - GRINDING POLISHING
Information
Patent Application
CONTINUOUS SUPPLY PRECISION MINIMUM QUANTITY LUBRICATION PUMP SUPPO...
Publication number
20190301673
Publication date
Oct 3, 2019
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...