Inventor
CHAN CHING
TW26 patents
⚠️ This page may combine multiple inventors who share the name “CHAN CHING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PUC PERFECT UNION CO LTD
13 patentsUSD948460SApr 12, 2022
Electric fan controller
PUC PERFECT UNION CO LTD9 citations85
USD900986SNov 3, 2020
Electric heater
PUC PERFECT UNION CO LTD13 citations85
USD886688SJun 9, 2020
Foldable motorized vehicle
PUC PERFECT UNION CO LTD12 citations85
US10562583B1Feb 18, 2020
Folding electrically powered vehicle
PUC PERFECT UNION CO LTD13 citations85
USD1006204SNov 28, 2023
Wall-mounted electric heater
PUC PERFECT UNION CO LTD2 citations72
US10779674B2Sep 22, 2020
Double tube immersion electronic circulation cooking device
PUC PERFECT UNION CO LTD2 citations72
US10595662B2Mar 24, 2020
Sous-vide immersion electronic circulator cooker
PUC PERFECT UNION CO LTD2 citations72
USD1100752SNov 4, 2025
Mobility scooter
PUC PERFECT UNION CO LTD1 citations63
USD1073041SApr 29, 2025
Mobile fan
PUC PERFECT UNION CO LTD1 citations63
USD1101119SNov 4, 2025
Electric heater
PUC PERFECT UNION CO LTD0 citations62
USD1055244SDec 24, 2024
Electric heater
PUC PERFECT UNION CO LTD1 citations62
USD1055269SDec 24, 2024
Fan blade
PUC PERFECT UNION CO LTD1 citations62
US12104614B1Oct 1, 2024
Quick installation ceiling fan blades
PUC PERFECT UNION CO LTD0 citations51
PERFECT UNION CO LTD
9 patentsUSD452250SDec 18, 2001
MP3 player
PERFECT UNION CO LTD262 citations98
USD809974SFeb 13, 2018
Foldable motorized vehicle
PERFECT UNION CO LTD19 citations94
US9533729B1Jan 3, 2017
Foldable electrically powered vehicle
PERFECT UNION CO LTD37 citations94
USD765559SSep 6, 2016
Foldable motorized vehicle
PERFECT UNION CO LTD19 citations92
USD691250SOct 8, 2013
Electronic heater
PERFECT UNION CO LTD30 citations92
US9339827B2May 17, 2016
Portable misting fan
PERFECT UNION CO LTD11 citations84
USD701950SApr 1, 2014
Ceiling electronic heater
PERFECT UNION CO LTD7 citations84
USD907751SJan 12, 2021
Portable boiling water heater
PERFECT UNION CO LTD5 citations73
US9447981B2Sep 20, 2016
Cooling fan having detachable heater
PERFECT UNION CO LTD2 citations62
FITSON SINGAPORE PTE LTD
4 patentsUSD766451SSep 13, 2016
Feeding bottle
FITSON SINGAPORE PTE LTD8 citations83
US10159628B2Dec 25, 2018
Closure and feeding bottle incorporating it
FITSON SINGAPORE PTE LTD4 citations70
USD1012608SJan 30, 2024
Straw cup attachment
FITSON SINGAPORE PTE LTD3 citations69
US12473125B2Nov 18, 2025
Drinking vessel with straw
FITSON SINGAPORE PTE LTD0 citations57