Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10260494 | Eccentric roundel structure for three-compressing-chamber diaphragm pump | Ying Lin Cai | 2019-04-16 |
| 10233916 | Eccentric roundel structure for four-booster chamber diaphragm pump | Ying Lin Cai | 2019-03-19 |
| 10124350 | Hand-held shower head capable of measuring and suggesting replacement of filtering core handle | Ying Lin Cai | 2018-11-13 |
| 10087922 | Four-compression-chamber diaphragm pump with diaphragm positioning structures to reduce vibration | Ying Lin Cai | 2018-10-02 |
| 9989046 | Roundel structure for five-compressing-chamber diaphragm pump | Ying Lin Cai | 2018-06-05 |
| 9945372 | Compressing diaphragm pump with multiple effects | Ying Lin Cai | 2018-04-17 |
| 9651316 | Thermal energy exchanger for bathing shower water | Ying Lin Cai | 2017-05-16 |
| 9505634 | Warning device dedicated for replacing aged-filter in a handheld showerhead | Ying Lin Cai | 2016-11-29 |
| 9464744 | Leakage-proof pipe fitting of quick connection for reverse osmosis membrane (RO) water treatment unit of household | Ying Lin Cai | 2016-10-11 |
| 9234617 | Leakage free pipe fitting of quick connection for reverse osmosis membrane (RO) water treatment unit of household | Ying Lin Cai | 2016-01-12 |
| 9156051 | Hand held shower head with filter replacing pre-alarm device | Ying Lin Cai | 2015-10-13 |
| 9156052 | Hand held shower head with filter replacing pre-display device | Ying Lin Cai | 2015-10-13 |
| 8845309 | Vibration reducing device for pump cover body of water shut-off diaphragm pump | Ying Lin Cai | 2014-09-30 |
| 8801403 | Compressing diaphragm pump having abnormal pressure preventing features for spray use | Ying Lin Cai | 2014-08-12 |
| 8418712 | Air discharge implement for a portable pressurized sprayer | Ying Lin Cai | 2013-04-16 |
| 8393878 | Structure of preventing water from leakage for the pressurized pump of diaphragm type | Ying Lin Cai | 2013-03-12 |
| 8276617 | Piston valve for diaphragm pump | Ying Lin Cai | 2012-10-02 |
| 8235677 | Compressing diaphragm pump having automatic air expelling and pressure abnormal-preventing features for spray use | Ying Lin Cai | 2012-08-07 |
| 7887304 | Method and structure of preventing water from leakage for the pressurized pump of diaphragm type | Ying Lin Cai | 2011-02-15 |
| 7762791 | Construction improvement of the piston valve in compressing pump | Ying Lin Cai | 2010-07-27 |
| 7468127 | Hand held shower head with filter replacing pre-alarm assembly | — | 2008-12-23 |
| 6518740 | Alternating current meter with photoelectric digital counter structure | — | 2003-02-11 |
| 6448753 | Digital meter for measuring alternating current | Wei-Jen Lin | 2002-09-10 |
| 5939644 | Light induction flowmeter | — | 1999-08-17 |
| 5871639 | Impurity filtration system for drinking water and monitoring device therefor | — | 1999-02-16 |