Chien; Huan-Jan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chien; Huan-Jan.The latest application filed is for "manufacturing method of 3-dimensional plastic impeller of centrifugal pump and the impeller".
Company Profile
5.28.31
- Chien; Huan-Jan - Tainan TW
- CHIEN; Huan-Jan - Hsinchu County TW
- CHIEN; HUAN-JAN - TAINAN CITY TW
- Chien; Huan-Jan - Zhudong Township Hsinchu County TW
- Chien; Huan-Jan - Zhudong Township, Hsinchu County N/A TW
- Chien; Huan-Jan - Lujhu Township Taoyuan County TW
- CHIEN; HUAN-JAN - LUIHU TOWNSHIP TW
- Chien, Huan-Jan - Hsinchu TW
- Chien, Huan-Jan - ChuTung Town TW
- Chien; Huan-Jan - Hsinchui TW
- Chien; Huan-Jan - Chutung TW
Patent Activity
| Patent | Date |
|---|---|
| Diaphragm valve structure Grant 11,396,955 - Chien , et al. July 26, 2 | 2022-07-26 |
| Diaphragm valve structure Grant 11,391,390 - Chien , et al. July 19, 2 | 2022-07-19 |
| Manufacturing Method Of 3-dimensional Plastic Impeller Of Centrifugal Pump And The Impeller App 20220213897 - SHIH; Chih-Hsien ; et al. | 2022-07-07 |
| Fluororesin Diaphragm Valve App 20220090687 - CHIEN; HUAN-JAN ; et al. | 2022-03-24 |
| Diaphragm Valve Structure App 20210293348 - CHIEN; HUAN-JAN ; et al. | 2021-09-23 |
| Diaphragm Valve Structure App 20210293349 - CHIEN; HUAN-JAN ; et al. | 2021-09-23 |
| Diaphragm Valve Structure App 20210293350 - CHIEN; HUAN-JAN ; et al. | 2021-09-23 |
| Diaphragm valve structure and thermal isolation method thereof Grant 11,067,192 - Chien , et al. July 20, 2 | 2021-07-20 |
| Fluoroplastic butterfly valve structure Grant 11,035,474 - Chien , et al. June 15, 2 | 2021-06-15 |
| Diaphragm valve Grant D917,667 - Chien , et al. April 27, 2 | 2021-04-27 |
| Fluoroplastic Butterfly Valve Structure App 20200072359 - CHIEN; HUAN-JAN ; et al. | 2020-03-05 |
| Diaphragm Valve Structure App 20200072384 - Chien; Huan-Jan ; et al. | 2020-03-05 |
| Magnetic drive pump Grant 10,267,327 - Chien , et al. | 2019-04-23 |
| Magnetic drive pump Grant 10,190,593 - Chien , et al. Ja | 2019-01-29 |
| Permanent magnet motor pump Grant 9,951,778 - Chien , et al. April 24, 2 | 2018-04-24 |
| Structure improvement of pump casing with PFA liner Grant 9,897,102 - Wang , et al. February 20, 2 | 2018-02-20 |
| Method and structure for preventing slipping-off of a tube in a pipe joint made of fluororesin Grant 9,746,118 - Chien , et al. August 29, 2 | 2017-08-29 |
| Magnetic Drive Pump App 20170234327 - CHIEN; Huan-Jan ; et al. | 2017-08-17 |
| Magnetic Drive Pump App 20170234326 - CHIEN; Huan-Jan ; et al. | 2017-08-17 |
| Permanent magnet motor pump Grant 9,702,364 - Chien , et al. July 11, 2 | 2017-07-11 |
| Led Illumination Apparatus And Manufacturing Method Thereof App 20170184282 - CHIEN; HUAN JAN ; et al. | 2017-06-29 |
| Magnetic drive pump Grant 9,670,934 - Chien , et al. June 6, 2 | 2017-06-06 |
| LED 3D curved lead frame of illumination device Grant 9,657,924 - Chien , et al. May 23, 2 | 2017-05-23 |
| LED 3D curved lead frame of illumination device Grant 9,631,799 - Chien , et al. April 25, 2 | 2017-04-25 |
| LED 3D curved lead frame of illumination device Grant 9,557,041 - Chien , et al. January 31, 2 | 2017-01-31 |
| Structure Improvement Of Pump Casing With Pfa Liner App 20160363130 - WANG; CHIN-CHENG ; et al. | 2016-12-15 |
| Permanent Magnet Motor Pump App 20160348683 - CHIEN; Huan-Jan ; et al. | 2016-12-01 |
| Permanent Magnet Motor Pump App 20160348682 - CHIEN; Huan-Jan ; et al. | 2016-12-01 |
| Integrated illumination part and lead frame of umbrella Grant 9,400,096 - Chien , et al. July 26, 2 | 2016-07-26 |
| Led 3d Curved Lead Frame Of Illumination Device App 20160069545 - CHIEN; Huan-Jan ; et al. | 2016-03-10 |
| Led 3d Curved Lead Frame Of Illumination Device App 20160069544 - CHIEN; Huan-Jan ; et al. | 2016-03-10 |
| Led 3d Curved Lead Frame Of Illumination Device App 20160069546 - CHIEN; Huan-Jan ; et al. | 2016-03-10 |
| Permanent magnet canned motor pump with corrosion-protection housing Grant 9,169,842 - Chien , et al. October 27, 2 | 2015-10-27 |
| Integrated Illumination Part And Lead Frame Of Umbrella App 20150233559 - CHIEN; Huan-Jan ; et al. | 2015-08-20 |
| Integrated illumination part and lead frame of umbrella Grant 9,060,575 - Chien , et al. June 23, 2 | 2015-06-23 |
| Method and Structure for Preventing Slipping-off of a Tube in a Pipe Joint Made of Fluororesin App 20140319827 - CHIEN; Huan-Jan ; et al. | 2014-10-30 |
| Structures of luminous umbrella Grant 8,696,149 - Chien , et al. April 15, 2 | 2014-04-15 |
| Structural improvement of a canned motor pump Grant 8,597,000 - Chien , et al. December 3, 2 | 2013-12-03 |
| Led 3d Curved Lead Frame Of Illumination Device App 20130188369 - CHIEN; Huan-Jan ; et al. | 2013-07-25 |
| Integrated Illumination Part And Lead Frame Of Umbrella App 20130128496 - CHIEN; Huan-Jan ; et al. | 2013-05-23 |
| Magnetic Drive Pump App 20130115053 - Chien; Huan-Jan ; et al. | 2013-05-09 |
| Permanent Magnet Canned Motor Pump With Corrosion-protection Housing App 20130115118 - Chien; Huan-Jan ; et al. | 2013-05-09 |
| Permanent Magnet Motor Pump App 20130108488 - Chien; Huan-Jan ; et al. | 2013-05-02 |
| Structures Of Luminous Umbrella App 20110260655 - CHIEN; Huan-Jan ; et al. | 2011-10-27 |
| Vertical submerged pump for chemical application App 20100284804 - CHIEN; HUAN-JAN ; et al. | 2010-11-11 |
| Structural improvement of a canned motor pump App 20100272592 - Chien; Huan-Jan ; et al. | 2010-10-28 |
| Structural improvement for canned motor-pump App 20050042119 - Chien, Huan-Jan | 2005-02-24 |
| Device of a volute channel of a pump Grant 6,779,974 - Chien August 24, 2 | 2004-08-24 |
| Device of a volute channel of a pump App 20040115049 - Chien, Huan-Jan | 2004-06-17 |
| Structure for an oxygen adding and aeration device Grant 6,736,377 - Chien May 18, 2 | 2004-05-18 |
| Integrally formed stamped sheet-metal blades having 3D structure Grant 6,634,856 - Chien , et al. October 21, 2 | 2003-10-21 |
| Integrated 3-D blade structure Grant 6,619,923 - Chien September 16, 2 | 2003-09-16 |
| Integrally formed stamping sheet-metal blades having 3D structure App 20020119049 - Chien, Huan-Jan ; et al. | 2002-08-29 |
| Pump shell for multistage metal working pump Grant 6,439,835 - Chien , et al. August 27, 2 | 2002-08-27 |
| Integrated 3-D blade structure App 20020064460 - Chien, Huan-Jan | 2002-05-30 |
| Sheet metal pump casing and its fabrication method App 20010005484 - Chien, Huan-Jan ; et al. | 2001-06-28 |
| Ultra-thin low noise axial flow fan for office automation machines Grant 5,320,493 - Shih , et al. June 14, 1 | 1994-06-14 |
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