LexDanaLexDanabeta
Inventor

Dick Kwai Chan

Inventor
Hong Kong, CN

Overview

5→
Patents
2017–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F24Dprimary
F24DDomestic- or space-heating systems, e.g. central heating systems13%
G08BSignalling systems, e.g. personal calling systems13%
H01HElectric switches13%
F16KValves7%
F24FAir-conditioning7%
G01RMeasuring electric variables7%
G05DSystems for controlling or regulating non-electric variables7%
H01RElectrically-conductive connections7%
H02JElectric power networks7%
H05KPrinted circuits7%
PatentTitleYear
10,871,293Push pin bearing mechanism for actuators202010,697,650Automatic balance valve control202010,291,065Robust and high current smart-plug20199,959,719Adjustable door sensor20189,761,098'Adjustable building entry sensor'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to SALUS CONTROLS INC (1)· patent assignee history
2017–2020Based in Hong Kong, CN· patent location history
2018Patents assigned to SALUS NORTH AMERICA INC (1)· patent assignee history
2019–2020Patents assigned to COMPUTIME LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COMPUTIME LTD32019–2020
SALUS CONTROLS INC12017
SALUS NORTH AMERICA INC12018
Locations
LocationPatentsSpan
Hong Kong, CN52017–2020