Inventor · disambiguated record
Hung-Jen Tien
Also filed as: TIEN HUNG · TIEN HUNG-JEN
42 granted patents·4 pending applications·459 citations·filing 2006–2022
98Inventor score
Top patents by PatentIndex Score
46 records- 0198US11834889B2Door opener with adjustable screw rodI TEK METAL MFG CO LTD·Filed 2021·Granted Dec 5, 2023·8 cites·15 claims
- 0296US11828097B1Door opener having an anti-loose linking unitI TEK METAL MFG CO LTD·Filed 2022·Granted Nov 28, 2023·4 cites·12 claims
- 0396US11629544B1Door opener with exposed control panelI TEK METAL MFG CO LTD·Filed 2021·Granted Apr 18, 2023·5 cites·7 claims
- 0496US10208508B2Modularized electric door lockI TEK METAL MFG CO LTD·Filed 2017·Granted Feb 19, 2019·15 cites·18 claims
- 0594US10267063B2Electric door lockI TEK METAL MFG CO LTD·Filed 2017·Granted Apr 23, 2019·13 cites·9 claims
- 0694US8702132B2Latch assembly for a passageway door lockTIEN HUNG-JEN·Filed 2011·Granted Apr 22, 2014·23 cites·5 claims
- 0793US11795751B2Driving device for a door openerI TEK METAL MFG CO LTD·Filed 2021·Granted Oct 24, 2023·3 cites·7 claims
- 0893US7634927B1Panic exit door lock allowing locking on both sidesI TEK METAL MFG CO LTD·Filed 2009·Granted Dec 22, 2009·28 cites·11 claims
- 0992US9273495B2Panic exit door lock with an indication of a locking stateI TEK METAL MFG CO LTD·Filed 2014·Granted Mar 1, 2016·17 cites·4 claims
- 1091US9435141B2Panic exit door lock with an indication of a locking stateI-TEK METAL MFG CO LTD·Filed 2013·Granted Sep 6, 2016·14 cites·3 claims
- 1191US8011702B2Outer operational device for panic exit door lockI TEK METAL MFG CO LTD·Filed 2008·Granted Sep 6, 2011·27 cites·11 claims
- 1290US11851935B1Door opener capable of controlling door closing speedI TEK METAL MFG CO LTD·Filed 2022·Granted Dec 26, 2023·2 cites·8 claims
- 1390US8070192B2Dogging device for latch assemblyTIEN HUNG-JEN·Filed 2008·Granted Dec 6, 2011·27 cites·14 claims
- 1489US8523248B2Latch assembly with a safety device for a fireproof door lockTIEN HUNG-JEN·Filed 2011·Granted Sep 3, 2013·16 cites·4 claims
- 1589US8201857B2Adjustable driving mechanism for panic exit door lockTIEN HUNG-JEN·Filed 2010·Granted Jun 19, 2012·17 cites·14 claims
- 1688US8826705B2Outer operational device for a door lockTIEN HUNG-JEN·Filed 2012·Granted Sep 9, 2014·15 cites·6 claims
- 1787US8641104B1Latch device with a clutch functionTIEN HUNG-JEN·Filed 2013·Granted Feb 4, 2014·14 cites·5 claims
- 1886US8042843B2Adjustable driving mechanism for panic door lockI TEK METAL MFG CO LTD·Filed 2008·Granted Oct 25, 2011·19 cites·14 claims
- 1986US7836738B2Mortise lock for ordinary door and panic doorI TEK METAL MFG CO LTD·Filed 2008·Granted Nov 23, 2010·21 cites·11 claims
- 2083US8544897B2Stop device for door lock for panic exit doorTIEN HUNG-JEN·Filed 2011·Granted Oct 1, 2013·8 cites·6 claims
- 2183US8267442B2Outer operational device for panic exit door lockTIEN HUNG-JEN·Filed 2008·Granted Sep 18, 2012·17 cites·8 claims
- 2281US12291916B2Easy-to-install door openerI TEK METAL MFG CO LTD·Filed 2021·Granted May 6, 2025·1 cites·12 claims
- 2378US11753848B2Door lock with reinforced fireproof functionI TEK METAL MFG CO LTD·Filed 2021·Granted Sep 12, 2023·1 cites·5 claims
- 2477USD623499SCover for a fireproof door lockI TEK METAL MFG CO LTD·Filed 2010·Granted Sep 14, 2010·22 cites·1 claims
- 2576US8979140B2Latch with an automatic locking function for a double doorI TEK METAL MFG CO LTD·Filed 2013·Granted Mar 17, 2015·7 cites·8 claims
- 2675US7281738B2Interchangeable handle assembly for lockI TEK METAL MFG CO LTD·Filed 2006·Granted Oct 16, 2007·7 cites·4 claims
- 2768US8029027B2Latch device for panic door lock with anti-picking functionI TEK METAL MFG CO LTD·Filed 2008·Granted Oct 4, 2011·5 cites·13 claims
- 2867USD669334SPassageway door lockTIEN HUNG-JEN·Filed 2011·Granted Oct 23, 2012·14 cites·1 claims
- 2967USD669336SPassageway door lockTIEN HUNG-JEN·Filed 2011·Granted Oct 23, 2012·14 cites·1 claims
- 3066USD915178SLatch stopper for a double doorI TEK METAL MFG CO LTD·Filed 2018·Granted Apr 6, 2021·9 cites·1 claims
- 3165USD669337SPassageway door lockTIEN HUNG-JEN·Filed 2011·Granted Oct 23, 2012·13 cites·1 claims
- 3265USD669335SPassageway door lockTIEN HUNG-JEN·Filed 2011·Granted Oct 23, 2012·13 cites·1 claims
- 3363USD669333SPassageway door lockTIEN HUNG-JEN·Filed 2011·Granted Oct 23, 2012·12 cites·1 claims
- 3461US9145712B1Lock cylinder for a door lockI TEK METAL MFG CO LTD·Filed 2014·Granted Sep 29, 2015·1 cites·4 claims
- 3561USD669338SPassageway door lockTIEN HUNG-JEN·Filed 2011·Granted Oct 23, 2012·11 cites·1 claims
- 3659US10274443B2Urea concentration identification methodIND TECH RES INST·Filed 2017·Granted Apr 30, 2019·0 cites·10 claims
- 3758US9145709B2Driving member for an outer operational device of a door lockI TEK METAL MFG CO LTD·Filed 2012·Granted Sep 29, 2015·2 cites·2 claims
- 3857USD897818SLatch coupling deviceI TEK METAL MFG CO LTD·Filed 2018·Granted Oct 6, 2020·6 cites·1 claims
- 3957US9766193B2Liquid concentration detecting deviceIND TECH RES INST·Filed 2014·Granted Sep 19, 2017·1 cites·20 claims
- 4048US9353547B2Outer operating device for a door lockI TEK METAL MFG CO LTD·Filed 2014·Granted May 31, 2016·0 cites·5 claims
- 4148USD668930SEnd cap for a touch bar for a passageway door lockTIEN HUNG-JEN·Filed 2011·Granted Oct 16, 2012·6 cites·1 claims
- 4247US2016313268A1Urea concentration identification device and urea concentration identification methodIND TECH RES INST·Filed 2015·Application pending·0 cites
- 4341US2020131801A1Latch Guiding And Coupling DeviceI TEK METAL MFG CO LTD·Filed 2018·Application pending·0 cites
- 4440US2013001960A1Operative Member for a Door LockTIEN HUNG-JEN·Filed 2011·Application pending·0 cites
- 4538US2011248518A1Clutch Mechanism for Outer Handle Device of Door LockTIEN HUNG-JEN·Filed 2010·Application pending·0 cites
- 4636USD897817SStopper for a top or bottom latchI TEK METAL MFG CO LTD·Filed 2018·Granted Oct 6, 2020·1 cites·1 claims
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