Chang; En-Sheng

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; En-Sheng.The latest application filed is for "working trough and method for maintaining uniform temperature of working fluid".

Company Profile

0.14.11

Chang; En-Sheng - Hsinchu Hsien TW
Chang; En-Sheng - Hsinchu N/A TW
Chang; En-Sheng - Taichung TW
Chang; En-Sheng - Taichung City TW
Chang; En-Sheng - Taiping TW
Chang, En-Sheng - Taiping City TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Working trough and method for maintaining uniform temperature of working fluid Grant 8,899,822 - Luo , et al. December 2, 2	2014-12-02
Working Trough And Method For Maintaining Uniform Temperature Of Working Fluid App 20140177381 - LUO; Tzuo-Liang ; et al.	2014-06-26
Working trough and method for maintaining uniform temperature of working fluid Grant 8,696,191 - Luo , et al. April 15, 2	2014-04-15
Supporting bearing Grant 8,523,442 - Chen , et al. September 3, 2	2013-09-03
Reducing mechanism and harmonic drive thereof Grant 8,516,924 - Pen , et al. August 27, 2	2013-08-27
Wrist structure of robot arm Grant 8,210,069 - Chen , et al. July 3, 2	2012-07-03
Supporting Bearing App 20120141054 - CHEN; Shang-Te ; et al.	2012-06-07
Moving Beam Type Machine Tool App 20120134762 - Wang; Jen-Ji ; et al.	2012-05-31
Reducing Mechanism And Harmonic Drive Thereof App 20120118092 - Pen; Dar-Jen ; et al.	2012-05-17
Wire electrical discharge machining Grant 7,973,260 - Luo , et al. July 5, 2	2011-07-05
Wrist Structure Of Robot Arm App 20110120255 - Chen; Jan Hao ; et al.	2011-05-26
Swivel Spindle Head With Gear Device Driven By Multiple Torque Motors App 20110076108 - Hsu; Chin-Mou ; et al.	2011-03-31
Swivel spindle head with gear device driven by multiple torque motors Grant 7,909,550 - Hsu , et al. March 22, 2	2011-03-22
Working Trough And Method For Maintaining Uniform Temperature Of Working Fluid App 20100103764 - LUO; Tzuo-Liang ; et al.	2010-04-29
Wire Electrical Discharge Machining App 20090194511 - LUO; TZUO-LIANG ; et al.	2009-08-06
Closed box structure of the horizontal linear motor machine tool Grant 6,930,412 - Chang , et al. August 16, 2	2005-08-16
Structure for symmetrically disposed linear motor operated tool machine Grant 6,798,088 - Hsu , et al. September 28, 2	2004-09-28
Closed box structure of the horizontal linear motor machine tool App 20040140721 - Chang, En-Sheng ; et al.	2004-07-22
Transporting and positioning device for tool magazine of machine tool Grant 6,740,839 - Kung , et al. May 25, 2	2004-05-25
Structure for symmetrically disposed linear motor operated tool machine App 20040090126 - Hsu, Chin-Mou ; et al.	2004-05-13
Cutter releasing mechanism for direct connected spindle of machine tool Grant 6,675,683 - Tsai , et al. January 13, 2	2004-01-13
Cutter releasing mechanism for direct connected spindle of machine tool App 20030097919 - Tsai, Kun-Kong ; et al.	2003-05-29

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