Chuan-Ching Cheng

Person

Taiping City, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Pneumatic tool with an improved soundproof device
- Patent number 8,074,736
- Issue date Dec 13, 2011
- Storm Pneumtic Tool Co., Ltd.
- Yung-yung Sun
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Pneumatic grinder with an improved air intake control apparatus
- Patent number 7,878,886
- Issue date Feb 1, 2011
- Storm Pneumtic Tool Co., Ltd.
- Yung-yung Sun
- B24 - GRINDING POLISHING
Information Patent Grant
Grinding machine with a length-adjustable dust collecting structure
- Patent number 7,635,293
- Issue date Dec 22, 2009
- Storm Pneumtic Tool Co., Ltd.
- Yung-yung Sun
- B24 - GRINDING POLISHING
Information Patent Grant
Bent head of a pneumatic tool
- Patent number D592480
- Issue date May 19, 2009
- Storm Pneumtic Tool Co., Ltd.
- Yung-yung Sun
- D08 - Tools and hardware
Information Patent Grant
Pneumatic grinder with improved handle structure
- Patent number 7,530,885
- Issue date May 12, 2009
- Storm Pneumtic Tool Co., Ltd.
- Yung-yung Sun
- B24 - GRINDING POLISHING
Information Patent Grant
Grinding wheel
- Patent number 7,465,222
- Issue date Dec 16, 2008
- Storm Pneumtic Tool Co., Ltd.
- Yung-yung Sun
- B24 - GRINDING POLISHING
Information Patent Grant
Grinding machine with a dust collector
- Patent number 7,300,337
- Issue date Nov 27, 2007
- Storm Pneumtic Tool Co., Ltd.
- Yung-yung Sun
- B24 - GRINDING POLISHING
Information Patent Grant
Abrasive wheel with improved composing structure
- Patent number 7,273,412
- Issue date Sep 25, 2007
- Storm Pneumtic Tool Co., Ltd.
- Yung-yung Sun
- B24 - GRINDING POLISHING
Information Patent Grant
Pneumatic grinder with improved muffling structure
- Patent number 7,238,095
- Issue date Jul 3, 2007
- Storm Pneumtic Tool Co., Ltd.
- Yung-yung Sun
- B24 - GRINDING POLISHING
Information Patent Grant
Grinding wheel
- Patent number D544890
- Issue date Jun 19, 2007
- Storm Pneumtic Tool Co., Ltd.
- Yung-yung Sun
- D15 - Machines not elsewhere specified
Information Patent Grant
Grinding wheel
- Patent number 7,144,315
- Issue date Dec 5, 2006
- Storm Pneumatic Tool Co., Ltd.
- Yung-yung Sun
- B24 - GRINDING POLISHING
Information Patent Grant
Pneumatic buffing machine
- Patent number 7,118,467
- Issue date Oct 10, 2006
- Yung-Yung Sun
- B24 - GRINDING POLISHING
Information Patent Grant
Controlling mechanism of pneumatic tool
- Patent number 6,932,165
- Issue date Aug 23, 2005
- Yung Yung Sun
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pneumatic pruning hook with a telescopic shank
- Patent number 6,901,665
- Issue date Jun 7, 2005
- Yung Yung Sun
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Air-liquid separating apparatus for compressed air
- Patent number 6,793,701
- Issue date Sep 21, 2004
- Yung-Yung Sun
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Handheld pneumatic burnish device
- Patent number D494434
- Issue date Aug 17, 2004
- Yung-Yung Sun
- D08 - Tools and hardware
Information Patent Grant
Air-liquid separating method and apparatus for compressed air
- Patent number 6,616,719
- Issue date Sep 9, 2003
- Yung Yung Sun
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Dust collector of a grinding device
- Patent number 6,616,518
- Issue date Sep 9, 2003
- Yung Yung Sun
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
FORWARD/REVERSE ROTATION CONTROL DEVICE OF PNEUMATIC TOOL
- Publication number 20130075123
- Publication date Mar 28, 2013
- STORM PNEUMATIC TOOL CO., LTD.
- YUNG-YUNG SUN
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
IMPACT WRENCH WITH IMPROVED REDIRECTION SWITCH
- Publication number 20120325510
- Publication date Dec 27, 2012
- STORM PNEUMATIC TOOL CO., LTD.
- YUNG-YUNG SUN
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
ROTATION SPEED CONTROL DEVICE FOR AIR TOOLS AND ROTATION SPEED CONT...
- Publication number 20120318544
- Publication date Dec 20, 2012
- STORM PNEUMATIC TOOL CO., LTD.
- YUNG-YUNG SUN
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
STRUCTURE OF PNEUMATIC IMPACT WRENCH
- Publication number 20120138329
- Publication date Jun 7, 2012
- STORM PNEUMATIC TOOL CO., LTD.
- YUNG-YUNG SUN
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
AIR TOOL HANDLE
- Publication number 20120054984
- Publication date Mar 8, 2012
- STORM PNEUMTIC TOOL CO., LTD.
- YUNG-YUNG SUN
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Grinding disc structure
- Publication number 20100323594
- Publication date Dec 23, 2010
- Yung-yung Sun
- B24 - GRINDING POLISHING
Information Patent Application
Pneumatic tool with an improved soundproof device
- Publication number 20100288522
- Publication date Nov 18, 2010
- Storm Pneumtic Tool Co. Ltd
- Yung-Yung Sun
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Pneumatic saw power transmission structure
- Publication number 20100275448
- Publication date Nov 4, 2010
- STORM PNEUMTIC TOOL CO., LTD
- Yung-Yung Sun
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Pneumatic grinder with an improved air intake control apparatus
- Publication number 20100255763
- Publication date Oct 7, 2010
- Yung-yung Sun
- B24 - GRINDING POLISHING
Information Patent Application
Pressure Display Device For Compressors
- Publication number 20100095879
- Publication date Apr 22, 2010
- Storm Pneumtic Co. Ltd.
- Yung-yung Sun
- G01 - MEASURING TESTING
Information Patent Application
Grinding machine with a length-adjustable dust collecting structure
- Publication number 20090215364
- Publication date Aug 27, 2009
- Yung-yung Sun
- B24 - GRINDING POLISHING
Information Patent Application
Air tool with double exhaust pipes
- Publication number 20080173460
- Publication date Jul 24, 2008
- Yung-yung Sun
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Pneumatic grinder with improved handle structure
- Publication number 20080102739
- Publication date May 1, 2008
- Yung-yung Sun
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Pneumatic tool
- Publication number 20080029281
- Publication date Feb 7, 2008
- Yung-yung Sun
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Pneumatic tool
- Publication number 20070251709
- Publication date Nov 1, 2007
- Yung-yung Sun
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Pneumatic buffing machine
- Publication number 20050170763
- Publication date Aug 4, 2005
- Yung-Yung Sun
- B24 - GRINDING POLISHING
Information Patent Application
Pneumatic handheld grinding apparatus
- Publication number 20050090191
- Publication date Apr 28, 2005
- Yung Yung Sun
- B24 - GRINDING POLISHING
Information Patent Application
PNEUMATIC PRUNING HOOK WITH A TELESCOPIC SHANK
- Publication number 20050081387
- Publication date Apr 21, 2005
- Yung Yung Sun
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Air-liquid separating apparatus for compressed air
- Publication number 20040007133
- Publication date Jan 15, 2004
- Yung-Yung Sun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Dust collector of a grinding device
- Publication number 20030013396
- Publication date Jan 16, 2003
- Yung Yung Sun
- B24 - GRINDING POLISHING

Chuan-Ching Cheng

Person

Patents Grantslast 30 patents

Pneumatic tool with an improved soundproof device

Pneumatic grinder with an improved air intake control apparatus

Grinding machine with a length-adjustable dust collecting structure

Bent head of a pneumatic tool

Pneumatic grinder with improved handle structure

Grinding wheel

Grinding machine with a dust collector

Abrasive wheel with improved composing structure

Pneumatic grinder with improved muffling structure

Grinding wheel

Grinding wheel

Pneumatic buffing machine

Controlling mechanism of pneumatic tool

Pneumatic pruning hook with a telescopic shank

Air-liquid separating apparatus for compressed air

Handheld pneumatic burnish device

Air-liquid separating method and apparatus for compressed air

Dust collector of a grinding device

Patents Applicationslast 30 patents

FORWARD/REVERSE ROTATION CONTROL DEVICE OF PNEUMATIC TOOL

IMPACT WRENCH WITH IMPROVED REDIRECTION SWITCH

ROTATION SPEED CONTROL DEVICE FOR AIR TOOLS AND ROTATION SPEED CONT...

STRUCTURE OF PNEUMATIC IMPACT WRENCH

AIR TOOL HANDLE

Grinding disc structure

Pneumatic tool with an improved soundproof device

Pneumatic saw power transmission structure

Pneumatic grinder with an improved air intake control apparatus

Pressure Display Device For Compressors

Grinding machine with a length-adjustable dust collecting structure

Air tool with double exhaust pipes

Pneumatic grinder with improved handle structure

Pneumatic tool

Pneumatic tool

Pneumatic buffing machine

Pneumatic handheld grinding apparatus

PNEUMATIC PRUNING HOOK WITH A TELESCOPIC SHANK

Air-liquid separating apparatus for compressed air

Dust collector of a grinding device