Inventor
CHIEN HUAN-JAN
TW40 patents
⚠️ This page may combine multiple inventors who share the name “CHIEN HUAN-JAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BUENO TECH CO LTD
12 patentsUSD1054534SDec 17, 2024
Diaphragm valve
BUENO TECH CO LTD12 citations84
USD917667SApr 27, 2021
Diaphragm valve
BUENO TECH CO LTD6 citations83
USD1054535SDec 17, 2024
Diaphragm valve
BUENO TECH CO LTD2 citations71
US11391390B2Jul 19, 2022
Diaphragm valve structure
BUENO TECH CO LTD1 citations71
US11835142B2Dec 5, 2023
Buffer valve
BUENO TECH CO LTD1 citations62
US11585460B2Feb 21, 2023
Diaphragm valve structure
BUENO TECH CO LTD0 citations60
US11396955B2Jul 26, 2022
Diaphragm valve structure
BUENO TECH CO LTD0 citations60
US11067192B2Jul 20, 2021
Diaphragm valve structure and thermal isolation method thereof
BUENO TECH CO LTD0 citations60
US11898660B2Feb 13, 2024
Fluororesin diaphragm valve
BUENO TECH CO LTD0 citations51
US11873914B2Jan 16, 2024
Buffer valve
BUENO TECH CO LTD0 citations51
US11035474B2Jun 15, 2021
Fluoroplastic butterfly valve structure
BUENO TECH CO LTD0 citations51
US9746118B2Aug 29, 2017
Method and structure for preventing slipping-off of a tube in a pipe joint made of fluororesin
BUENO TECH CO LTD1 citations51
ASSOMA INC
9 patentsUS9670934B2Jun 6, 2017
Magnetic drive pump
ASSOMA INC2 citations70
US9169842B2Oct 27, 2015
Permanent magnet canned motor pump with corrosion-protection housing
ASSOMA INC4 citations70
US9897102B2Feb 20, 2018
Structure improvement of pump casing with PFA liner
ASSOMA INC2 citations65
US9951778B2Apr 24, 2018
Permanent magnet motor pump
ASSOMA INC0 citations50
US9702364B2Jul 11, 2017
Permanent magnet motor pump
ASSOMA INC0 citations50
US9599113B2Mar 21, 2017
Permanent magnet motor pump
ASSOMA INC1 citations50
US10267327B2Apr 23, 2019
Magnetic drive pump
ASSOMA INC0 citations49
US10190593B2Jan 29, 2019
Magnetic drive pump
ASSOMA INC0 citations49
US11739642B2Aug 29, 2023
Manufacturing method of 3-dimensional plastic impeller of centrifugal pump and the impeller
ASSOMA INC0 citations44
IND TECH RES INST
8 patentsUS5320493AJun 14, 1994
Ultra-thin low noise axial flow fan for office automation machines
IND TECH RES INST81 citations91
US6220819B1Apr 24, 2001
Centrifugal pump impeller
IND TECH RES INST50 citations90
US6398493B1Jun 4, 2002
Floatable impeller for multistage metal working pump
IND TECH RES INST17 citations82
US6619923B2Sep 16, 2003
Integrated 3-D blade structure
IND TECH RES INST12 citations74
US6267555B1Jul 31, 2001
Sheet metal casing for multistage pump and method for manufacturing the same
IND TECH RES INST10 citations71
US6506023B1Jan 14, 2003
Integrally formed stamping sheet-metal blades having 3D structure
IND TECH RES INST10 citations70
US6200090B1Mar 13, 2001
Pump casing for sheet metal pump
IND TECH RES INST7 citations65
US6537024B2Mar 25, 2003
Method for fabricating sheet metal pump casing
IND TECH RES INST5 citations54
LONGWIDE TECH INC
4 patentsUS9657924B2May 23, 2017
LED 3D curved lead frame of illumination device
LONGWIDE TECH INC3 citations70
US9631799B2Apr 25, 2017
LED 3D curved lead frame of illumination device
LONGWIDE TECH INC2 citations70
US9557041B2Jan 31, 2017
LED 3D curved lead frame of illumination device
LONGWIDE TECH INC3 citations70
US9400096B2Jul 26, 2016
Integrated illumination part and lead frame of umbrella
LONGWIDE TECH INC2 citations59