Inventor · disambiguated record
Chuan-Ching Cheng
Also filed as: CHENG CHUAN C · CHENG CHUAN-CHING
18 granted patents·12 pending applications·328 citations·filing 2001–2011
95Inventor score
Files withSUN YUNG-YUNG11STORM PNEUMTIC TOOL CO LTD10STORM PNEUMATIC TOOL CO LTD1STORM PNEUMTIC CO LTD1
Top patents by PatentIndex Score
30 records- 0196US7635293B2Grinding machine with a length-adjustable dust collecting structureSTORM PNEUMTIC TOOL CO LTD·Filed 2008·Granted Dec 22, 2009·30 cites·9 claims
- 0294US7300337B1Grinding machine with a dust collectorSTORM PNEUMTIC TOOL CO LTD·Filed 2006·Granted Nov 27, 2007·26 cites·6 claims
- 0392US7238095B1Pneumatic grinder with improved muffling structureSTORM PNEUMTIC TOOL CO LTD·Filed 2006·Granted Jul 3, 2007·39 cites·4 claims
- 0492US7144315B1Grinding wheelSTORM PNEUMATIC TOOL CO LTD·Filed 2005·Granted Dec 5, 2006·24 cites·6 claims
- 0589US7273412B1Abrasive wheel with improved composing structureSTORM PNEUMTIC TOOL CO LTD·Filed 2003·Granted Sep 25, 2007·44 cites·3 claims
- 0688US7465222B1Grinding wheelSTORM PNEUMTIC TOOL CO LTD·Filed 2007·Granted Dec 16, 2008·17 cites·5 claims
- 0788US6616719B1Air-liquid separating method and apparatus for compressed airFiled 2002·Granted Sep 9, 2003·47 cites·10 claims
- 0882US7530885B2Pneumatic grinder with improved handle structureSTORM PNEUMTIC TOOL CO LTD·Filed 2006·Granted May 12, 2009·9 cites·2 claims
- 0982US7118467B2Pneumatic buffing machineSUN YUNG-YUNG·Filed 2005·Granted Oct 10, 2006·10 cites·2 claims
- 1071USD494434SHandheld pneumatic burnish deviceFiled 2003·Granted Aug 17, 2004·17 cites·1 claims
- 1170US7878886B2Pneumatic grinder with an improved air intake control apparatusSTORM PNEUMTIC TOOL CO LTD·Filed 2007·Granted Feb 1, 2011·4 cites·9 claims
- 1270US6932165B1Controlling mechanism of pneumatic toolFiled 2004·Granted Aug 23, 2005·22 cites·1 claims
- 1366US6616518B2Dust collector of a grinding deviceFiled 2001·Granted Sep 9, 2003·11 cites·5 claims
- 1464US8074736B2Pneumatic tool with an improved soundproof deviceSUN YUNG-YUNG·Filed 2009·Granted Dec 13, 2011·7 cites·8 claims
- 1562US6901665B2Pneumatic pruning hook with a telescopic shankFiled 2003·Granted Jun 7, 2005·5 cites·8 claims
- 1652USD544890SGrinding wheelSTORM PNEUMTIC TOOL CO LTD·Filed 2006·Granted Jun 19, 2007·8 cites·1 claims
- 1752US2010275448A1Pneumatic saw power transmission structureSTORM PNEUMTIC TOOL CO LTD·Filed 2009·Application pending·0 cites
- 1849US2010323594A1Grinding disc structureSUN YUNG-YUNG·Filed 2008·Application pending·0 cites
- 1948US2008029281A1Pneumatic toolSUN YUNG-YUNG·Filed 2007·Application pending·0 cites
- 2047US2008173460A1Air tool with double exhaust pipesSUN YUNG-YUNG·Filed 2007·Application pending·0 cites
- 2146US2007251709A1Pneumatic toolSUN YUNG-YUNG·Filed 2006·Application pending·0 cites
- 2245US2013075123A1Forward/reverse rotation control device of pneumatic toolSUN YUNG-YUNG·Filed 2011·Application pending·0 cites
- 2345US2012318544A1Rotation speed control device for air tools and rotation speed control method thereofSUN YUNG-YUNG·Filed 2011·Application pending·0 cites
- 2444US2012054984A1Air tool handleSUN YUNG-YUNG·Filed 2010·Application pending·0 cites
- 2544US2012325510A1Impact wrench with improved redirection switchSUN YUNG-YUNG·Filed 2011·Application pending·0 cites
- 2643US6793701B2Air-liquid separating apparatus for compressed airFiled 2003·Granted Sep 21, 2004·5 cites·9 claims
- 2743US2012138329A1Structure of pneumatic impact wrenchSUN YUNG-YUNG·Filed 2010·Application pending·0 cites
- 2839US2010095879A1Pressure Display Device For CompressorsSTORM PNEUMTIC CO LTD·Filed 2008·Application pending·0 cites
- 2938USD592480SBent head of a pneumatic toolSTORM PNEUMTIC TOOL CO LTD·Filed 2008·Granted May 19, 2009·3 cites·1 claims
- 3038US2005090191A1Pneumatic handheld grinding apparatusFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →