To; Chun Yuen
Patent Applications and Registrations
Patent applications and USPTO patent grants for To; Chun Yuen.The latest application filed is for "toothbrush".
Company Profile
6.66.59
- To; Chun Yuen - Shatin HK
- To; Chun Yuen - Hong Kong CN
- TO; Chun Yuen - N.T. Hong Kong CN
- To; Chun Yuen - New Territories CN
- To; Chun Yuen - New Territory CN
- To; Chun Yuen - Kauto Shan Shatin HK
- To; Chun Yuen - Shitin HK
- To; Chun Yuen - Kwai Chung HK
- To; Chun Yuen - Kauto Shan Shatin N.T. HK
- To; Chun Yuen - Kauto Shan HK
Patent Activity
| Patent | Date |
|---|---|
| Toothbrush head Grant D943,285 - To February 15, 2 | 2022-02-15 |
| Toothbrush head Grant D943,284 - To February 15, 2 | 2022-02-15 |
| Toothbrush Grant D927,191 - To August 10, 2 | 2021-08-10 |
| Toothbrush App 20210219709 - TO; Chun Yuen | 2021-07-22 |
| Hand-held Hair Styling Device App 20210204669 - To; Chun Yuen | 2021-07-08 |
| Hand-held Hair Styling Device App 20210204668 - To; Chun Yuen | 2021-07-08 |
| Hanger Bar App 20210177140 - To; Chun Yuen | 2021-06-17 |
| Notebook Hanger App 20210162796 - To; Chun Yuen | 2021-06-03 |
| Dental cleaning tool with handle shield Grant 10,932,557 - To March 2, 2 | 2021-03-02 |
| Toothbrush Grant D906,687 - To January 5, 2 | 2021-01-05 |
| Toothbrush Grant D898,372 - To October 13, 2 | 2020-10-13 |
| Toothbrush Grant D898,370 - To October 13, 2 | 2020-10-13 |
| Toothbrush Grant D898,369 - To October 13, 2 | 2020-10-13 |
| Toothbrush Grant D898,371 - To October 13, 2 | 2020-10-13 |
| Toothbrush Grant D897,686 - To October 6, 2 | 2020-10-06 |
| Toothbrush Grant D897,685 - To October 6, 2 | 2020-10-06 |
| Toothbrush Grant D897,684 - To October 6, 2 | 2020-10-06 |
| Toothbrush Grant D897,687 - To October 6, 2 | 2020-10-06 |
| Hand-held Hair Styling Device App 20200245739 - Kind Code | 2020-08-06 |
| Dental Cleaning Tool With Rotatable Cleaning Instrument App 20200197141 - TO; Chun Yuen | 2020-06-25 |
| Dental cleaning tool with secondary cleaning tool and integrated shield for the secondary cleaning tool Grant 10,610,338 - To | 2020-04-07 |
| Toothbrush Grant D878,766 - To | 2020-03-24 |
| Dental Cleaning Tool Including At Least One Moveable Secondary Tool App 20200030066 - TO; Chun Yuen | 2020-01-30 |
| Dental cleaning tool with integrated shield Grant 10,376,346 - To A | 2019-08-13 |
| Dental Cleaning Tool With Secondary Cleaning Tool And Integrated Shield For The Secondary Cleaning Tool App 20190239990 - TO; Chun Yuen | 2019-08-08 |
| Dental Cleaning Tool Including Pivotable Brush App 20190209277 - TO; Chun Yuen | 2019-07-11 |
| Dental Cleaning Tool Including At Least One Moveable Tool App 20190105138 - TO; Chun Yuen | 2019-04-11 |
| Dental Cleaning Tool With Integrated Shield App 20190083213 - TO; Chun Yuen | 2019-03-21 |
| Dental Cleaning Tool With Handle Shield App 20190082821 - TO; Chun Yuen | 2019-03-21 |
| Ring for ring binder mechanism Grant 10,118,431 - To November 6, 2 | 2018-11-06 |
| Ring binder with interlocking ring members Grant 9,895,922 - To February 20, 2 | 2018-02-20 |
| Ring Binder Having Interlocking Ring Tips App 20170291446 - To; Chun Yuen | 2017-10-12 |
| Ring binder mechanism Grant 9,751,356 - Pi , et al. September 5, 2 | 2017-09-05 |
| Ring binder mechanism Grant 9,688,091 - To , et al. June 27, 2 | 2017-06-27 |
| Ring binder mechanism having snap-in ring members Grant 9,656,507 - To May 23, 2 | 2017-05-23 |
| Ring mechanism having elliptical cross sectional ring members Grant D783,092 - To April 4, 2 | 2017-04-04 |
| Ring Binder With Interlocking Ring Members App 20160229216 - TO; Chun Yuen | 2016-08-11 |
| Elliptical cross sectional ring member for a ring mechanism Grant D735,808 - To August 4, 2 | 2015-08-04 |
| Ring Binder Mechanism Having Unitary Structure App 20150202909 - To; Chun Yuen | 2015-07-23 |
| Ring binder mechanism having unitary structure Grant 9,067,457 - To June 30, 2 | 2015-06-30 |
| Ring Binder Mechanism Having Retaining System On Ring Members App 20150003892 - To; Chun Yuen | 2015-01-01 |
| Ring Binder Mechanism Having Snap-in Ring Members App 20140369738 - To; Chun Yuen | 2014-12-18 |
| Ring Binder Mechanism App 20140363216 - Pi; Jn Biao ; et al. | 2014-12-11 |
| Ring binder mechanism having retaining system on ring members Grant 8,899,865 - To December 2, 2 | 2014-12-02 |
| Ring binder mechanism having unitary structure Grant 8,899,864 - To December 2, 2 | 2014-12-02 |
| Ring binder mechanism having snap-in ring members Grant 8,851,783 - To October 7, 2 | 2014-10-07 |
| Ring binder mechanism Grant 8,801,317 - Pi , et al. August 12, 2 | 2014-08-12 |
| Ring Binder Mechanism App 20140086664 - TO; Chun Yuen ; et al. | 2014-03-27 |
| Soft close ring binder mechanism with mating ring tips Grant 8,573,876 - Cheng , et al. November 5, 2 | 2013-11-05 |
| Ring Binder Mechanism App 20120155948 - TO; Chun Yuen | 2012-06-21 |
| Ring binder mechanism with polymeric housing and actuator Grant 8,147,160 - To , et al. April 3, 2 | 2012-04-03 |
| Ring Binder Mechanism App 20120051830 - Pi; Jn Biao ; et al. | 2012-03-01 |
| Ring Binder Mechanism Having Snap-in Ring Members App 20110311302 - To; Chun Yuen | 2011-12-22 |
| Ring Binder Mechanism Having Unitary Structure App 20110311300 - To; Chun Yuen | 2011-12-22 |
| Ring Binder Mechanism Having Retaining System On Ring Members App 20110311301 - TO; Chun Yuen | 2011-12-22 |
| Ring Binder Mechanism Having Unitary Structure App 20110305500 - To; Chun Yuen | 2011-12-15 |
| Ring Binder Mechanism App 20110299914 - TO; Chun Yuen | 2011-12-08 |
| Ring binder mechanism Grant 8,047,737 - Pi , et al. November 1, 2 | 2011-11-01 |
| Ring binder mechanism with polymeric housing Grant 7,950,866 - To , et al. May 31, 2 | 2011-05-31 |
| Ring Binder Mechanism App 20100284729 - To; Chun Yuen ; et al. | 2010-11-11 |
| Ring binder mechanism Grant 7,819,602 - To , et al. October 26, 2 | 2010-10-26 |
| Rectilinear binder ring Grant RE41,852 - To October 26, 2 | 2010-10-26 |
| Dual lever ring mechanism with rectilinear binder rings Grant D622,316 - To August 24, 2 | 2010-08-24 |
| Ring binder mechanism Grant 7,726,897 - To , et al. June 1, 2 | 2010-06-01 |
| Single lever ring mechanism having rectilinear binder rings Grant D616,934 - To June 1, 2 | 2010-06-01 |
| Push button ring mechanism having rectilinear binder rings Grant D616,023 - To May 18, 2 | 2010-05-18 |
| Ring binder Grant 7,637,682 - To December 29, 2 | 2009-12-29 |
| Binding ring Grant D598,494 - To August 18, 2 | 2009-08-18 |
| Support Stand For Notebook App 20090140119 - To; Chun Yuen ; et al. | 2009-06-04 |
| Ring Binder Mechanism with Pen Holder App 20090116896 - To; Chun Yuen | 2009-05-07 |
| Ring Binder Mechanism With Polymeric Housing And Actuator App 20090110470 - TO; Chun Yuen ; et al. | 2009-04-30 |
| Ring Binder Mechanism App 20090110469 - To; Chun Yuen ; et al. | 2009-04-30 |
| Support Stand For Structures That Hold Pages And Methods Of Using The Same App 20090072113 - To; Chun Yuen ; et al. | 2009-03-19 |
| Ring Binder App 20090067915 - To; Chun Yuen | 2009-03-12 |
| Ring Binder Mechanism With Polymeric Housing And Travel Bar App 20090060631 - To; Chun Yuen ; et al. | 2009-03-05 |
| Ring Binder Mechanism With Polymeric Housing App 20090060630 - To; Chun Yuen ; et al. | 2009-03-05 |
| Lever-arch Type File Mechanism App 20090041531 - To; Chun Yuen ; et al. | 2009-02-12 |
| Rectilinear binder ring Grant D585,935 - To February 3, 2 | 2009-02-03 |
| Binding ring Grant D582,477 - To December 9, 2 | 2008-12-09 |
| Page Turning Assist Device with a Holder App 20080298880 - To; Chun Yuen | 2008-12-04 |
| Lever-arch Type File Mechanism App 20080253827 - TO; Chun Yuen ; et al. | 2008-10-16 |
| Ring Binder Mechanism having Plastic Housing App 20080199246 - To; Chun Yuen ; et al. | 2008-08-21 |
| Foot Massaging Treadmill App 20080176719 - To; Chun Yuen | 2008-07-24 |
| Lever-arch Type File Mechanism App 20080166179 - DENG; Xi Tao ; et al. | 2008-07-10 |
| Ring binder mechanism Grant 7,360,962 - To April 22, 2 | 2008-04-22 |
| Ring Binder Mechanism Having Plastic Housing App 20080085145 - To; Chun Yuen ; et al. | 2008-04-10 |
| Ring Binder Mechanism App 20080075527 - Pi; Jn Biao ; et al. | 2008-03-27 |
| Ring for Ring Binder Mechanism App 20080008519 - To; Chun Yuen | 2008-01-10 |
| Ring Binder Mechanism App 20070160415 - To; Chun Yuen ; et al. | 2007-07-12 |
| Fastening system for a ring binder mechanism App 20070048076 - To; Chun Yuen | 2007-03-01 |
| Ring binder mechanism App 20070048072 - To; Chun Yuen ; et al. | 2007-03-01 |
| Fastening binder ring mechanisms to binders Grant 7,073,968 - To , et al. July 11, 2 | 2006-07-11 |
| Soft close ring binder mechanism with mating ring tips App 20050207826 - Cheng, Hung Yu ; et al. | 2005-09-22 |
| Ring binder Grant RE38,731 - To May 3, 2 | 2005-05-03 |
| Ring binder mechanism Grant 6,758,621 - To July 6, 2 | 2004-07-06 |
| Ring binder mechanism App 20040013463 - To, Chun Yuen | 2004-01-22 |
| Housing for a ring binder mechanism and a ring binder formed of same App 20030113156 - To, Chun Yuen | 2003-06-19 |
| Clasp App 20030088950 - To, Chun Yuen ; et al. | 2003-05-15 |
| Fastening binder ring mechanisms to binders App 20030053849 - To, Chun Yuen ; et al. | 2003-03-20 |
| Binder device with linked arches App 20030044221 - To, Chun Yuen ; et al. | 2003-03-06 |
| Ring binder mechanism App 20030026643 - To, Chun Yuen | 2003-02-06 |
| Ring binder having actuating lever with cushion member Grant 6,474,897 - To November 5, 2 | 2002-11-05 |
| Ring binder having actuating lever with cushion member Grant 6,467,984 - To October 22, 2 | 2002-10-22 |
| Ring binder housing cover App 20020076262 - To, Chun-Yuen | 2002-06-20 |
| Ring binder Grant D457,559 - To May 21, 2 | 2002-05-21 |
| Ring Binder mechanism App 20020051674 - To, Chun Yuen | 2002-05-02 |
| Ring binder having actuating lever with cushion member Grant 6,364,558 - To April 2, 2 | 2002-04-02 |
| Ring mechanism for a binder having a plastic top section Grant 6,328,497 - To December 11, 2 | 2001-12-11 |
| Ring binder having actuating lever with cushion member App 20010026726 - To, Chun Yuen | 2001-10-04 |
| Ring binder Grant D434,071 - To November 21, 2 | 2000-11-21 |
| Ring binder Grant D426,571 - To June 13, 2 | 2000-06-13 |
| Ring binder mechanism Grant 6,033,144 - Ng , et al. March 7, 2 | 2000-03-07 |
| Fastener for a ring binder and method of producing a binder assembly Grant 6,007,266 - Cheng , et al. December 28, 1 | 1999-12-28 |
| Assembling and disassembling device for ring binders Grant 5,924,811 - To , et al. July 20, 1 | 1999-07-20 |
| Ring binder Grant 5,755,513 - To May 26, 1 | 1998-05-26 |
| Ring binder Grant D382,593 - To August 19, 1 | 1997-08-19 |
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