Membership
Tour
Register
Log in
Qian Yu
Follow
Person
Tianjin, CN
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Mechanism for detecting obstacles and mechanically reversing a dire...
Patent number
11,761,225
Issue date
Sep 19, 2023
WYBOTICS CO., LTD.
Qian Yu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydraulic driven jaw-type clutch impeller combination and swimming...
Patent number
8,555,445
Issue date
Oct 15, 2013
Guilan Fu
E04 - BUILDING
Patents Applications
last 30 patents
Information
Patent Application
UNDERWATER DEBRIS SUCTION APPARATUS
Publication number
20220195745
Publication date
Jun 23, 2022
TIANJIN WANGYUAN ENVIRONMENTAL PROTECTION & TECHNOLOGY CO., LTD
Qian YU
E04 - BUILDING
Information
Patent Application
MECHANISM FOR DETECTING OBSTACLES AND MECHANICALLY REVERSING (A DIR...
Publication number
20210238876
Publication date
Aug 5, 2021
TIANJIN WANGYUAN ENVIRONMENTAL PROTECTION & TECHNOLOGY CO., LTD
Qian YU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
OBSTACLE TOUCHING DETECTING DEVICE OF SWIMMING POOL CLEANER
Publication number
20200150679
Publication date
May 14, 2020
TIANJIN WANGYUAN ENVIRONMENTAL PROTECTION & TECHNOLOGY CO., LTD
Qian YU
E04 - BUILDING
Information
Patent Application
AUTOMATIC CLEANING MACHINE DRIVEN BY HYDRAULIC POWER FROM BOTTOM OF...
Publication number
20120279001
Publication date
Nov 8, 2012
Guilan Fu
E04 - BUILDING