Lau; James Ching Sik
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lau; James Ching Sik.The latest application filed is for "permanent magnet direct current motor and hvac system using the same".
Company Profile
4.78.61
- Lau; James Ching Sik - Hong Kong CN
- LAU; James Ching Sik - Shatin HK
- Lau; James Ching Sik - North Point HK
Patent Activity
| Patent | Date |
|---|---|
| Motor driving assembly Grant 10,693,351 - Lau , et al. | 2020-06-23 |
| Permanent magnet direct current motor and HVAC system using the same Grant 10,566,855 - Li , et al. Feb | 2020-02-18 |
| Driving device having motor and gearbox Grant 10,443,688 - Lau , et al. Oc | 2019-10-15 |
| Electric motor Grant 10,404,129 - Li , et al. Sep | 2019-09-03 |
| Electric motor with reliable wire connection Grant 10,128,715 - Shi , et al. November 13, 2 | 2018-11-13 |
| Motor and Actuator Grant 10,069,381 - Luo , et al. September 4, 2 | 2018-09-04 |
| Electric motor Grant 9,859,767 - Lau , et al. January 2, 2 | 2018-01-02 |
| Permanent Magnet Direct Current Motor And Hvac System Using The Same App 20170366054 - LI; Yue ; et al. | 2017-12-21 |
| Driving Device App 20170254389 - LAU; James Ching Sik ; et al. | 2017-09-07 |
| Motor And Airflow Generating Device App 20170194839 - LAU; James Ching Sik ; et al. | 2017-07-06 |
| Motor Driving Assembly App 20170149314 - LAU; James Ching Sik ; et al. | 2017-05-25 |
| Retainer for a rolling bearing Grant 9,599,165 - Lu , et al. March 21, 2 | 2017-03-21 |
| Electric motor Grant 9,543,798 - Lau , et al. January 10, 2 | 2017-01-10 |
| Commutator Grant 9,502,849 - Cheung , et al. November 22, 2 | 2016-11-22 |
| Brush motor commutator with spark suppression and method for making the same Grant 9,362,698 - Lau , et al. June 7, 2 | 2016-06-07 |
| Thrust bearing assembly Grant 9,337,703 - Lau , et al. May 10, 2 | 2016-05-10 |
| Electric Motor App 20160072356 - LI; Wen Liang ; et al. | 2016-03-10 |
| Retainer For A Rolling Bearing App 20160032980 - LU; MING CEN ; et al. | 2016-02-04 |
| Electric Motor App 20150372569 - LAU; James Ching Sik ; et al. | 2015-12-24 |
| Rotor With Heat Sink App 20150364975 - LAU; James Ching Sik ; et al. | 2015-12-17 |
| Motor and Actuator App 20150357884 - LUO; Qing Bin ; et al. | 2015-12-10 |
| Outer Rotor Brushless Motor App 20150303753 - HUANG; Ning ; et al. | 2015-10-22 |
| Electric motor Grant 9,154,013 - Lau , et al. October 6, 2 | 2015-10-06 |
| Electric Motor App 20150280509 - SHI; Hai Feng ; et al. | 2015-10-01 |
| Fuel pump motor Grant 9,148,038 - Chung , et al. September 29, 2 | 2015-09-29 |
| Power tool Grant 9,132,542 - Lau , et al. September 15, 2 | 2015-09-15 |
| Permanent magnet motor Grant 9,130,442 - Lau , et al. September 8, 2 | 2015-09-08 |
| Permanent magnet motor Grant 9,130,438 - Lau , et al. September 8, 2 | 2015-09-08 |
| Power tool Grant 9,124,145 - Lau September 1, 2 | 2015-09-01 |
| Electric motor with heat dissipating device Grant 9,077,230 - Lau , et al. July 7, 2 | 2015-07-07 |
| Commutator having a plurality of commutator segments and method for making the same Grant 9,035,529 - Mok , et al. May 19, 2 | 2015-05-19 |
| Electric motor Grant D722,560 - Lau , et al. February 17, 2 | 2015-02-17 |
| Electric motor Grant D716,226 - Lau , et al. October 28, 2 | 2014-10-28 |
| Electric motor Grant D716,227 - Lau , et al. October 28, 2 | 2014-10-28 |
| Electric Motor App 20140300238 - LAU; James Ching-Sik ; et al. | 2014-10-09 |
| Electric Motor With Cooling Apparatus App 20140292163 - LAU; James Ching Sik ; et al. | 2014-10-02 |
| Dc Electric Motor Having An Insulating Sleeve App 20140285042 - LAU; James Ching Sik ; et al. | 2014-09-25 |
| Cooling system of motor assembly for cleaner Grant 8,823,222 - Lau , et al. September 2, 2 | 2014-09-02 |
| Power tool Grant 8,803,377 - Lau August 12, 2 | 2014-08-12 |
| Electric motor Grant 8,796,896 - Lau , et al. August 5, 2 | 2014-08-05 |
| Electric motor Grant 8,710,707 - Lau , et al. April 29, 2 | 2014-04-29 |
| Permanent magnet rotor Grant 8,692,431 - Lau , et al. April 8, 2 | 2014-04-08 |
| Brush Motor Commutator With Spark Suppression And Method For Making The Same App 20140070660 - LAU; James Ching Sik ; et al. | 2014-03-13 |
| Brush design for electric motor having commutator Grant 8,648,515 - Lau , et al. February 11, 2 | 2014-02-11 |
| Power Tool App 20140034348 - LAU; James Ching Sik | 2014-02-06 |
| Electric motor with heat dissipation structure Grant 8,593,022 - Lau , et al. November 26, 2 | 2013-11-26 |
| Commutator Motor App 20130285503 - LAU; James Ching Sik ; et al. | 2013-10-31 |
| Power tool Grant 8,567,521 - Lau October 29, 2 | 2013-10-29 |
| Multi-Layer Brush App 20130264906 - LAU; James Ching Sik ; et al. | 2013-10-10 |
| Power Tool App 20130241325 - LAU; James Ching-Sik | 2013-09-19 |
| Electric Motor App 20130229071 - LAU; James Ching Sik ; et al. | 2013-09-05 |
| Power Tool App 20130200733 - LAU; James Ching-Sik | 2013-08-08 |
| Lamination Grant 8,492,953 - Lau , et al. July 23, 2 | 2013-07-23 |
| Electric motor Grant 8,471,430 - Lau , et al. June 25, 2 | 2013-06-25 |
| Power tool Grant 8,418,780 - Lau , et al. April 16, 2 | 2013-04-16 |
| Electric motor Grant 8,421,380 - Lau , et al. April 16, 2 | 2013-04-16 |
| Power tool Grant 8,415,842 - Lau April 9, 2 | 2013-04-09 |
| Power tool with a DC brush motor and with a second power source Grant 8,415,911 - Lau , et al. April 9, 2 | 2013-04-09 |
| Power tool Grant 8,410,645 - Lau April 2, 2 | 2013-04-02 |
| Commutator App 20130020892 - CHEUNG; Chun Kit ; et al. | 2013-01-24 |
| Thrust Bearing Assembly App 20120313471 - Lau; James Ching Sik ; et al. | 2012-12-13 |
| Brush gear of a motor Grant 8,294,328 - Lau , et al. October 23, 2 | 2012-10-23 |
| Electric motor Grant 8,288,907 - Qin , et al. October 16, 2 | 2012-10-16 |
| Fuel Pump Motor App 20120219438 - Chung; Chun Yick ; et al. | 2012-08-30 |
| Electric Motor App 20120194022 - LAU; James Ching Sik ; et al. | 2012-08-02 |
| Electric Motor App 20120194023 - LAU; James Ching Sik ; et al. | 2012-08-02 |
| Electric Motor App 20120119627 - LAU; James Ching Sik ; et al. | 2012-05-17 |
| Electric Motor App 20120098382 - LAU; James Ching Sik ; et al. | 2012-04-26 |
| Commutator App 20120007467 - Mok; Raven Wai Kei ; et al. | 2012-01-12 |
| Motor Assembly App 20110277254 - LAU; James Ching Sik ; et al. | 2011-11-17 |
| Electric Motor App 20110278970 - Lau; James Ching Sik ; et al. | 2011-11-17 |
| Electric motor Grant 8,049,391 - Lau , et al. November 1, 2 | 2011-11-01 |
| Rotor core for an electric motor Grant D647,478 - Jiang , et al. October 25, 2 | 2011-10-25 |
| Bearing Assembly App 20110249925 - LAU; James Ching Sik ; et al. | 2011-10-13 |
| Electric Motor App 20110156511 - LAU; James Ching Sik ; et al. | 2011-06-30 |
| Electric Motor App 20110156526 - LAU; JAMES CHING SIK ; et al. | 2011-06-30 |
| Power Tool App 20110012550 - Lau; James Ching Sik ; et al. | 2011-01-20 |
| Electric Motor App 20110012549 - LAU; James Ching Sik ; et al. | 2011-01-20 |
| Power Tool App 20110006621 - LAU; James Ching Sik | 2011-01-13 |
| Power Tool App 20110000696 - LAU; James Ching Sik | 2011-01-06 |
| Power Tool App 20110001368 - LAU; James Ching Sik | 2011-01-06 |
| Permanent Magnet Rotor App 20100289367 - LAU; James Ching Sik ; et al. | 2010-11-18 |
| Electric Motor App 20100225198 - LAU; James Ching Sik ; et al. | 2010-09-09 |
| Electric Motor App 20100176678 - LAU; James Ching Sik ; et al. | 2010-07-15 |
| Power Tool App 20100071920 - LAU; James Ching Sik ; et al. | 2010-03-25 |
| Brush Gear Of A Motor App 20100045136 - LAU; James Ching Sik ; et al. | 2010-02-25 |
| Electric Motor App 20100045135 - LAU; James Ching Sik ; et al. | 2010-02-25 |
| Electric Motor App 20100013337 - QIN; Rui Feng ; et al. | 2010-01-21 |
| Power Tool App 20090245958 - LAU; James Ching Sik ; et al. | 2009-10-01 |
| Power Tool App 20090145621 - LAU; James Ching Sik ; et al. | 2009-06-11 |
| Electric motor Grant D579,869 - Lau , et al. November 4, 2 | 2008-11-04 |
| Lamination App 20080001496 - Lau; James Ching Sik ; et al. | 2008-01-03 |
| Brush assembly Grant 7,298,065 - Lau November 20, 2 | 2007-11-20 |
| Thrust cap Grant 7,189,004 - Lau March 13, 2 | 2007-03-13 |
| Method of making a miniature electric motor Grant 7,159,295 - Lau January 9, 2 | 2007-01-09 |
| Brush assembly App 20050242683 - Lau, James Ching Sik | 2005-11-03 |
| Permanent electric motor with a speed sensor Grant 6,954,012 - Lau October 11, 2 | 2005-10-11 |
| Electric motor Grant 6,888,276 - Lau May 3, 2 | 2005-05-03 |
| Electric motor Grant 6,867,519 - Lau March 15, 2 | 2005-03-15 |
| Electric motor Grant 6,861,775 - Lau March 1, 2 | 2005-03-01 |
| End cap assembly Grant 6,858,955 - Lau February 22, 2 | 2005-02-22 |
| Electric motor App 20050029884 - Lau, James Ching Sik | 2005-02-10 |
| Method of measuring motor speed Grant 6,850,023 - Lau February 1, 2 | 2005-02-01 |
| Electric motor Grant 6,806,607 - Lau October 19, 2 | 2004-10-19 |
| Thrust cap App 20040146230 - Lau, James Ching Sik | 2004-07-29 |
| Thrust cap Grant 6,698,933 - Lau March 2, 2 | 2004-03-02 |
| Star connected rotor Grant 6,617,742 - Lau September 9, 2 | 2003-09-09 |
| Electric motor App 20030111922 - Lau, James Ching Sik | 2003-06-19 |
| Electric motor App 20030111919 - Lau, James Ching Sik | 2003-06-19 |
| Method of measuring motor speed App 20030113105 - Lau, James Ching Sik | 2003-06-19 |
| Electric motor App 20030111920 - Lau, James Ching Sik | 2003-06-19 |
| Electric motor App 20030102743 - Lau, James Ching Sik | 2003-06-05 |
| Electric motor App 20030102744 - Lau, James Ching Sik | 2003-06-05 |
| Thrust cap App 20020141672 - Lau, James Ching Sik | 2002-10-03 |
| Star connected rotor App 20020000760 - Lau, James Ching Sik | 2002-01-03 |
| Noise suppression capacitor arrangement on a rotor of an electric motor Grant 5,717,270 - Lau , et al. February 10, 1 | 1998-02-10 |
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