Inventor · disambiguated record
Chao Fou Hsu
Also filed as: HSU CHAO F · HSU CHAO FA · HSU CHAO FOU
30 granted patents·15 pending applications·331 citations·filing 1996–2016
96Inventor score
Top patents by PatentIndex Score
45 records- 0195US7887304B2Method and structure of preventing water from leakage for the pressurized pump of diaphragm typeCAI YING LIN·Filed 2006·Granted Feb 15, 2011·29 cites·2 claims
- 0293US8845309B2Vibration reducing device for pump cover body of water shut-off diaphragm pumpCAI YING LIN·Filed 2011·Granted Sep 30, 2014·20 cites·6 claims
- 0391US10124350B2Hand-held shower head capable of measuring and suggesting replacement of filtering core handleCAI YING LIN·Filed 2016·Granted Nov 13, 2018·5 cites·18 claims
- 0491US5865991AMonitoring system for a drinking water purification systemFiled 1996·Granted Feb 2, 1999·96 cites·2 claims
- 0588US8393878B2Structure of preventing water from leakage for the pressurized pump of diaphragm typeCAI YING LIN·Filed 2011·Granted Mar 12, 2013·7 cites·2 claims
- 0686US9989046B2Roundel structure for five-compressing-chamber diaphragm pumpCAI YING LIN·Filed 2015·Granted Jun 5, 2018·4 cites·2 claims
- 0784US9945372B2Compressing diaphragm pump with multiple effectsCAI YING LIN·Filed 2015·Granted Apr 17, 2018·4 cites·23 claims
- 0882US10260494B2Eccentric roundel structure for three-compressing-chamber diaphragm pumpCAI YING LIN·Filed 2015·Granted Apr 16, 2019·3 cites·8 claims
- 0982US9505634B2Warning device dedicated for replacing aged-filter in a handheld showerheadCAI YING LIN·Filed 2015·Granted Nov 29, 2016·2 cites·14 claims
- 1082US7468127B2Hand held shower head with filter replacing pre-alarm assemblyHSU CHAO FOU·Filed 2005·Granted Dec 23, 2008·17 cites·2 claims
- 1179US7762791B2Construction improvement of the piston valve in compressing pumpCAI YING LIN·Filed 2005·Granted Jul 27, 2010·6 cites·1 claims
- 1278US9156051B2Hand held shower head with filter replacing pre-alarm deviceCAI YING LIN·Filed 2012·Granted Oct 13, 2015·5 cites·11 claims
- 1372US8276617B2Piston valve for diaphragm pumpCAI YING LIN·Filed 2009·Granted Oct 2, 2012·3 cites·2 claims
- 1471US9156052B2Hand held shower head with filter replacing pre-display deviceCAI YING LIN·Filed 2012·Granted Oct 13, 2015·3 cites·11 claims
- 1570US8801403B2Compressing diaphragm pump having abnormal pressure preventing features for spray useCAI YING LIN·Filed 2012·Granted Aug 12, 2014·1 cites·2 claims
- 1669US5939644ALight induction flowmeterFiled 1996·Granted Aug 17, 1999·35 cites·7 claims
- 1767US10087922B2Four-compression-chamber diaphragm pump with diaphragm positioning structures to reduce vibrationCAI YING LIN·Filed 2015·Granted Oct 2, 2018·1 cites·26 claims
- 1866US9234617B2Leakage free pipe fitting of quick connection for reverse osmosis membrane (RO) water treatment unit of householdCAI YING LIN·Filed 2012·Granted Jan 12, 2016·2 cites·3 claims
- 1965US8235677B2Compressing diaphragm pump having automatic air expelling and pressure abnormal-preventing features for spray useCAI YING LIN·Filed 2008·Granted Aug 7, 2012·1 cites·2 claims
- 2060US8418712B2Air discharge implement for a portable pressurized sprayerCAI YING LIN·Filed 2010·Granted Apr 16, 2013·1 cites·9 claims
- 2160USD403974SDrinking water purification system monitoring deviceHSU CHAO FOU·Filed 1997·Granted Jan 12, 1999·11 cites·1 claims
- 2260US5814212AMonitoring process and device for an activated carbon filtration system of drinking waterFiled 1996·Granted Sep 29, 1998·28 cites·2 claims
- 2357US2010129234A1Shock damper for outlet pipe of diaphragm pumpCAI YING LIN·Filed 2009·Application pending·0 cites
- 2457US2010068082A1Leakage-Proof Contrivance for Upper Hood of Diaphragm PumpCAI YING LIN·Filed 2009·Application pending·0 cites
- 2556US5871639AImpurity filtration system for drinking water and monitoring device thereforFiled 1996·Granted Feb 16, 1999·22 cites·24 claims
- 2656USD396088SWater filterHSU CHAO FOU·Filed 1997·Granted Jul 14, 1998·9 cites·1 claims
- 2755US2014306591A1Wall-mounted kitchen-cabinet with storage of non-potable water out of reverse osmosis (RO) water treating machineCAI YING LIN·Filed 2014·Application pending·0 cites
- 2854US2015198154A1Vibration-reducing structure for compressing diaphragm pumpCAI YING LIN·Filed 2014·Application pending·0 cites
- 2954US2015198155A1Vibration-reducing structure for compressing diaphragm pumpCAI YING LIN·Filed 2014·Application pending·0 cites
- 3052US2012125587A1Heat exchanger for bathing showerCAI YING LIN·Filed 2011·Application pending·0 cites
- 3150US2007201985A1Diaphragm pump of constant pressure typeYING LIN CAI·Filed 2006·Application pending·0 cites
- 3246US9464744B2Leakage-proof pipe fitting of quick connection for reverse osmosis membrane (RO) water treatment unit of householdCAI YING LIN·Filed 2012·Granted Oct 11, 2016·0 cites·4 claims
- 3345US5853599AMonitoring process for a reverse osmosis purification system of drinking waterFiled 1996·Granted Dec 29, 1998·14 cites·1 claims
- 3444US9651316B2Thermal energy exchanger for bathing shower waterCAI YING LIN·Filed 2015·Granted May 16, 2017·0 cites·12 claims
- 3542US2011042487A1Discharge Implement of Reservoir for Portable Pressurized SprayerCAI YING LIN·Filed 2010·Application pending·0 cites
- 3641US10233916B2Eccentric roundel structure for four-booster chamber diaphragm pumpCAI YING LIN·Filed 2015·Granted Mar 19, 2019·0 cites·8 claims
- 3741US6448753B1Digital meter for measuring alternating currentFiled 2000·Granted Sep 10, 2002·2 cites·3 claims
- 3839US2015337817A1Roundel structure for four-compression-chamber diaphragm pump with multiple effectsCAI YING LIN·Filed 2015·Application pending·0 cites
- 3939US2015337816A1Eccentric roundel structure for compressing diaphragm pump with multiple effectsCAI YING LIN·Filed 2015·Application pending·0 cites
- 4039US2015337832A1Vibration-reducing structure for four-compression-chamber diaphragm pumpCAI YING LIN·Filed 2015·Application pending·0 cites
- 4139US2015337820A1Five-compressing-chamber diaphragm pump with multiple effectsCAI YING LIN·Filed 2015·Application pending·0 cites
- 4239US2015337818A1Vibration-reducing structure for five-compressing-chamber diaphragm pumpCAI YING LIN·Filed 2015·Application pending·0 cites
- 4338US2005226305A1Laser beam projection device having a rotary locking structureHSU CHAO F·Filed 2004·Application pending·0 cites
- 4434US6518740B1Alternating current meter with photoelectric digital counter structureFiled 2000·Granted Feb 11, 2003·0 cites·2 claims
- 4522US2002066191A1Light or laser indicatorFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →