CHANG; Ching-Shun

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHANG; Ching-Shun.The latest application filed is for "pneumatic tool motor having an internal hammering device".

Company Profile

0.5.17

CHANG; Ching-Shun - Taichung City TW
Chang; Ching-Shun - Taichung N/A TW
Chang; Ching-Shun - Da'an Township, Taichung County N/A 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
Pneumatic Tool Motor Having An Internal Hammering Device App 20170043458 - CHANG; Ching-Shun	2017-02-16
Pneumatic motor with built-in striker mechanism Grant 9,545,708 - Chang January 17, 2	2017-01-17
Reversing Control Mechanism Of Pneumatic Tools App 20160236338 - CHANG; Ching-Shun	2016-08-18
Pneumatic Tool Motor Rotor With Thrust Augmentation Effect App 20150330219 - CHANG; Ching-Shun	2015-11-19
Pneumatic Motor With Built-in Striker Mechanism App 20150014010 - CHANG; Ching-Shun	2015-01-15
Cylinder dividing mechanism of a pneumatic tool Grant 8,647,084 - Chang February 11, 2	2014-02-11
Cylinder Dividing Mechanism Of A Pneumatic Tool App 20130202471 - Chang; Ching-Shun	2013-08-08
Impact hammer with pre-pressing damping and buffering effect Grant 8,196,675 - Chang June 12, 2	2012-06-12
Reciprocating Pneumatic Tool App 20120048583 - CHANG; CHING-SHUN	2012-03-01
Impact Hammer With Pre-pressing Damping And Buffering Effect App 20110232929 - CHANG; Ching-Shun	2011-09-29
Integrated Cylinder And Reversing Assembly Module Of A Reciprocating Pneumatic Tool App 20110232475 - CHANG; Ching-Shun	2011-09-29
Flow control device for pneumatic tool App 20050268778 - Chang, Ching-Shun	2005-12-08
Damping structure for pneumatic tool App 20050263308 - Chang, Ching-Shun	2005-12-01
Air intake control structure for pneumatic tool App 20050257942 - Chang, Ching-Shun	2005-11-24
Shock-absorbing structure for pneumatic tool App 20040094315 - Chang, Ching-Shun	2004-05-20

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