Inventor · disambiguated record
Po-Lin Liao
Also filed as: LIAO PO-LIN
68 granted patents·11 pending applications·393 citations·filing 2000–2024
98Inventor score
Top patents by PatentIndex Score
79 records- 0195US8418522B1Hand/pneumatics dual operation vacuum pulling deviceLIAO PO LIN·Filed 2011·Granted Apr 16, 2013·16 cites·7 claims
- 0294US7367366B2Pumping deviceLIH YANN IND CO LTD·Filed 2005·Granted May 6, 2008·34 cites·5 claims
- 0394US7270357B1Distance and orientation adjustable suction deviceLIH YANN IND CO LTD·Filed 2006·Granted Sep 18, 2007·31 cites·5 claims
- 0493US11761436B2Pumping device with suction/injection function for changing fluidLIH YANN IND CO LTD·Filed 2021·Granted Sep 19, 2023·2 cites·7 claims
- 0591US10082281B1Omnidirectional lighting standLIH YANN IND CO LTD·Filed 2017·Granted Sep 25, 2018·7 cites·4 claims
- 0691US9222471B2Structure of pumpLIH YANN IND CO LTD·Filed 2013·Granted Dec 29, 2015·11 cites·6 claims
- 0791USD490201SCombined suction cup grip and lidLIH YANN CO LTD·Filed 2003·Granted May 18, 2004·46 cites·1 claims
- 0889US7887109B2Stepwise powerful suction deviceLIH YANN IND CO LTD·Filed 2008·Granted Feb 15, 2011·17 cites·11 claims
- 0988US10895252B2Fluid pumping deviceLIH YANN IND CO LTD·Filed 2018·Granted Jan 19, 2021·3 cites·8 claims
- 1088US10646988B2Fluid pumping device having a storage structureLIH YANN IND CO LTD·Filed 2018·Granted May 12, 2020·3 cites·7 claims
- 1188US8480044B2Omni-direction rotatable dual-cup suction deviceLIAO PO LIN·Filed 2010·Granted Jul 9, 2013·15 cites·6 claims
- 1287US8651458B2Hand-operating vacuum pulling deviceLIAO PO-LIN·Filed 2011·Granted Feb 18, 2014·6 cites·3 claims
- 1386US7673914B2Automatic alert device for suction cupLIH YANN IND CO LTD·Filed 2007·Granted Mar 9, 2010·19 cites·5 claims
- 1484US8210373B2Structure of parts standLIAO PO-LIN·Filed 2009·Granted Jul 3, 2012·16 cites·14 claims
- 1582US11280330B2Pumping deviceLIH YANN IND CO LTD·Filed 2019·Granted Mar 22, 2022·2 cites·9 claims
- 1682US10641254B2Pumping deviceLIH YANN IND CO LTD·Filed 2018·Granted May 5, 2020·3 cites·8 claims
- 1782US8973625B2Structure of oil filling deviceLIH YANN IND CO LTD·Filed 2013·Granted Mar 10, 2015·6 cites·2 claims
- 1881US7467690B2Lubrication device for bearings and other mechanical partsLIH YANN IND CO LTD·Filed 2005·Granted Dec 23, 2008·7 cites·5 claims
- 1975US9441622B2Structure of trigger-boosting pulling deviceLIH YANN IND CO LTD·Filed 2014·Granted Sep 13, 2016·5 cites·3 claims
- 2074US7707765B2Fishing rod fixing deviceLIH YANN IND CO LTD·Filed 2007·Granted May 4, 2010·13 cites·6 claims
- 2174USD510853SSuction cupLIH YANN IND CO LTD·Filed 2004·Granted Oct 25, 2005·18 cites·1 claims
- 2273USD990627SWater tank testing deviceLIH YANN IND CO LTD·Filed 2020·Granted Jun 27, 2023·5 cites·1 claims
- 2373US10807112B2Filling deviceLIH YANN IND CO LTD·Filed 2018·Granted Oct 20, 2020·1 cites·8 claims
- 2473US10604396B2FunnelLIH YANN IND CO LTD·Filed 2018·Granted Mar 31, 2020·1 cites·9 claims
- 2573USD871172SFunnelLIH YANN IND CO LTD·Filed 2018·Granted Dec 31, 2019·13 cites·1 claims
- 2672USD1007329SBlister trayLIH YANN IND CO LTD·Filed 2021·Granted Dec 12, 2023·4 cites·1 claims
- 2767US12504120B2Waste oil recycling deviceLIH YANN IND CO LTD·Filed 2023·Granted Dec 23, 2025·0 cites·10 claims
- 2865USD993362SNegative pressure deviceLIH YANN IND CO LTD·Filed 2020·Granted Jul 25, 2023·3 cites·1 claims
- 2965USD553478SSuction cupLIN YANN IND CO LTD·Filed 2005·Granted Oct 23, 2007·16 cites·1 claims
- 3064US12441598B1Liquid filling deviceLIH YANN IND CO LTD·Filed 2024·Granted Oct 14, 2025·0 cites·9 claims
- 3164US2025074674A1Funnel storage deviceLIH YANN IND CO LTD·Filed 2024·Application pending·0 cites
- 3262US6641375B2Pneumatically operated oil pumpLIH YANN CO LTD·Filed 2002·Granted Nov 4, 2003·7 cites·8 claims
- 3361USD1059193SWater tank detection deviceLIH YANN IND CO LTD·Filed 2021·Granted Jan 28, 2025·2 cites·1 claims
- 3461US2025376340A1Glass carrierLIH YANN IND CO LTD·Filed 2024·Application pending·0 cites
- 3560US12410742B1Liquid filling deviceLIH YANN IND CO LTD·Filed 2024·Granted Sep 9, 2025·0 cites·10 claims
- 3660USD974429SContainerLIH YANN IND CO LTD·Filed 2021·Granted Jan 3, 2023·2 cites·1 claims
- 3759USD844990STool bracketLIH YANN IND CO LTD·Filed 2018·Granted Apr 9, 2019·7 cites·1 claims
- 3858US10837349B2Fluid injection device for vehicle radiator and method to use the sameLIH YANN IND CO LTD·Filed 2019·Granted Nov 17, 2020·0 cites·8 claims
- 3958US10245774B2Blow-molding plastic bubble-generating deviceLIH YANN IND CO LTD·Filed 2017·Granted Apr 2, 2019·0 cites·10 claims
- 4058US2008086971A1Aluminum-extruded frame structureLIH YANN IND CO LTD·Filed 2006·Application pending·0 cites
- 4157USD1040292SAir blow pipeLIH YANN IND CO LTD·Filed 2023·Granted Aug 27, 2024·1 cites·1 claims
- 4257USD947247SPumping deviceLIH YANN IND CO LTD·Filed 2020·Granted Mar 29, 2022·2 cites·1 claims
- 4356USD1098867SSuction cupLIH YANN IND CO LTD·Filed 2022·Granted Oct 21, 2025·1 cites·1 claims
- 4456USD962318SFluid storage receptacleLIH YANN IND CO LTD·Filed 2020·Granted Aug 30, 2022·2 cites·1 claims
- 4556US11173532B2Tube benderLIH YANN IND CO LTD·Filed 2019·Granted Nov 16, 2021·0 cites·2 claims
- 4656USD750677SFunnel structure of an oil caseLIH YANN IND CO LTD·Filed 2014·Granted Mar 1, 2016·8 cites·1 claims
- 4755US12116264B2Fluid filling deviceLIH YANN IND CO LTD·Filed 2022·Granted Oct 15, 2024·0 cites·9 claims
- 4855USD854774SPortion of a tire cartLIH YANN IND CO LTD·Filed 2017·Granted Jul 23, 2019·6 cites·1 claims
- 4954US12296801B2Oil filling deviceLIH YANN IND CO LTD·Filed 2023·Granted May 13, 2025·0 cites·9 claims
- 5051US11359664B2Suction cupLIH YANN IND CO LTD·Filed 2020·Granted Jun 14, 2022·0 cites·6 claims
Showing the top 50 of 79 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Po-Lin Liao files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →