TOPLENS HANGZHOU INC.

Follow

Organization

Hangzhou, CN

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Automatic pouring device and pouring method for lens monomer
- Patent number 11,400,670
- Issue date Aug 2, 2022
- TOPLENS HANGZHOU INC.
- Hongxiang Meng
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Revolving drum type digital lens printing device
- Patent number 11,141,993
- Issue date Oct 12, 2021
- TOPLENS HANGZHOU INC.
- Donghui Chen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Handheld apparatus for measuring lens surface power
- Patent number 9,835,519
- Issue date Dec 5, 2017
- TOPLENS HANGZHOU INC.
- Hongxiang Meng
- G02 - OPTICS

Please log in for detailed analytics

Patents Applicationslast 30 patents

Information Patent Application
REVOLVING DRUM TYPE DIGITAL LENS PRINTING DEVICE
- Publication number 20210146699
- Publication date May 20, 2021
- TOPLENS HANGZHOU INC.
- Donghui CHEN
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
AUTOMATIC POURING DEVICE AND POURING METHOD FOR LENS MONOMER
- Publication number 20210078270
- Publication date Mar 18, 2021
- TOPLENS HANGZHOU INC.
- Hongxiang MENG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
HANDHELD APPARATUS FOR MEASURING LENS SURFACE POWER
- Publication number 20150330865
- Publication date Nov 19, 2015
- TOPLENS HANGZHOU INC.
- Hongxiang Meng
- G02 - OPTICS