Inventor · disambiguated record
Bach Pangho Chen
Also filed as: CHEN BACH PANGHO
30 granted patents·9 pending applications·80 citations·filing 2009–2023
94Inventor score
Top patents by PatentIndex Score
39 records- 0191US8801506B2Dust collection hood for grinding machine toolsCHEN BACH PANGHO·Filed 2011·Granted Aug 12, 2014·11 cites·16 claims
- 0291US8226454B2Heat dissipating architecture for machine toolsCHEN BACH PANGHO·Filed 2009·Granted Jul 24, 2012·15 cites·8 claims
- 0386US8715039B2Machine tool providing a large grinding areaCHEN BACH PANGHO·Filed 2011·Granted May 6, 2014·7 cites·9 claims
- 0485US9505119B2Electric handheld sanding tool providing improved cooling efficiencyX'POLE PREC TOOLS INC·Filed 2015·Granted Nov 29, 2016·3 cites·12 claims
- 0582US9468348B2Cyclone vacuum cleaner and cyclone separation device thereofX'POLE PREC TOOLS INC·Filed 2014·Granted Oct 18, 2016·6 cites·6 claims
- 0680US8382559B2Negative pressure dust collection structure for power toolsX POLE PREC TOOLS INC·Filed 2010·Granted Feb 26, 2013·4 cites·8 claims
- 0778US8254125B2Machine tool with a heat conduction structureCHEN BACH PANGHO·Filed 2010·Granted Aug 28, 2012·5 cites·10 claims
- 0877US8435096B2Dust-proof structure for machine toolsCHEN BACH PANGHO·Filed 2010·Granted May 7, 2013·9 cites·4 claims
- 0974US8039999B2Heat dissipation structure for sealed machine toolsCHEN BACH PANGHO·Filed 2009·Granted Oct 18, 2011·7 cites·16 claims
- 1072US11007541B2Dust collecting device using multi-cyclone dust filtrationXPOLE PRECISION TOOLS INC·Filed 2018·Granted May 18, 2021·2 cites·13 claims
- 1172US10183725B2Power driving motor for electric bikeXPOLE PRECISION TOOLS INC·Filed 2017·Granted Jan 22, 2019·1 cites·7 claims
- 1272US8689901B2Electric power toolCHEN BACH PANGHO·Filed 2010·Granted Apr 8, 2014·7 cites·7 claims
- 1368US12330264B2Grinding machine tool with grinding disc braking structureXPOLE PRECISION TOOLS INC·Filed 2022·Granted Jun 17, 2025·0 cites·11 claims
- 1467US12508686B2Electric tool grinding machineXPOLE PRECISION TOOLS INC·Filed 2022·Granted Dec 30, 2025·0 cites·13 claims
- 1567US2024342852A1Random orbital sanding toolXPOLE PRECISION TOOLS INC·Filed 2023·Application pending·0 cites
- 1666US12377513B2Electric tool grinding machine and casing thereofXPOLE PRECISION TOOLS INC·Filed 2022·Granted Aug 5, 2025·0 cites·15 claims
- 1765US2024157508A1Electric tool grinding machine and grinding disc cover thereofXPOLE PRECISION TOOLS INC·Filed 2022·Application pending·0 cites
- 1863US2023390880A1Tool grinding machineXPOLE PRECISION TOOLS INC·Filed 2022·Application pending·0 cites
- 1962US12318885B2Sanding disc stabilizing structure of orbital sanderXPOLE PRECISION TOOLS INC·Filed 2021·Granted Jun 3, 2025·0 cites·7 claims
- 2060US8481877B2Dust-proof machine toolsCHEN BACH PANGHO·Filed 2011·Granted Jul 9, 2013·1 cites·4 claims
- 2160US8276684B2Machine tool with auxiliary cushion structureCHEN BACH PANGHO·Filed 2010·Granted Oct 2, 2012·2 cites·7 claims
- 2259US11839946B2Grinding machine tool with random eccentric orbital motion speed detectionXPOLE PRECISION TOOLS INC·Filed 2019·Granted Dec 12, 2023·0 cites·17 claims
- 2357US2022072676A1Electric grinding machine toolXPOLE PRECISION TOOLS INC·Filed 2020·Application pending·0 cites
- 2456US10434628B2Grinding machineXPOLE PRECISION TOOLS INC·Filed 2017·Granted Oct 8, 2019·0 cites·18 claims
- 2555US11849548B2Power supply structure of electric grinding tool machineXPOLE PRECISION TOOLS INC·Filed 2020·Granted Dec 19, 2023·0 cites·16 claims
- 2655US11317772B2Working trolley with built-in dust suction systemXPOLE PRECISION TOOLS INC·Filed 2020·Granted May 3, 2022·0 cites·18 claims
- 2754US11510542B2Exhaust motor of vacuum deviceXPOLE PRECISION TOOLS INC·Filed 2019·Granted Nov 29, 2022·0 cites·12 claims
- 2854US11154873B2Multi-cyclonic dust filter deviceXPOLE PRECISION TOOLS INC·Filed 2019·Granted Oct 26, 2021·0 cites·13 claims
- 2952US9211632B2Waterproof sanderX POLE PREC TOOLS INC·Filed 2013·Granted Dec 15, 2015·0 cites·8 claims
- 3051US11141831B2Grinding machine for grinding non-horizontal grinding surfacesXPOLE PRECISION TOOLS INC·Filed 2018·Granted Oct 12, 2021·0 cites·15 claims
- 3150US11284762B2Dust suction systemXPOLE PRECISION TOOLS INC·Filed 2019·Granted Mar 29, 2022·0 cites·12 claims
- 3250US11253874B2Cyclonic dust filter deviceXPOLE PRECISION TOOLS INC·Filed 2019·Granted Feb 22, 2022·0 cites·9 claims
- 3349US2021086127A1Exhaust filter deviceXPOLE PRECISION TOOLS INC·Filed 2019·Application pending·0 cites
- 3446US8714281B2Bidirectional cross airflow machine toolCHEN BACH PANGHO·Filed 2011·Granted May 6, 2014·0 cites·7 claims
- 3546US2014370790A1Durable sander and oscillation buffer element applied to sanderX POLE PREC TOOLS INC·Filed 2013·Application pending·0 cites
- 3646US2015056897A1Sander providing airflow correctionX POLE PREC TOOLS INC·Filed 2013·Application pending·0 cites
- 3745US10090784B2Electric hand tool and electromagnetic brake control method thereofXPOLE PRECISION TOOLS INC·Filed 2017·Granted Oct 2, 2018·0 cites·7 claims
- 3845US2014179205A1Grinding disc and method for manufacturing the sameCHEN BACH PANGHO·Filed 2012·Application pending·0 cites
- 3942US2013038148A1Hand-held machine tool with improved output efficiencyCHEN BACH PANGHO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →