Assignee
CMECH (GUANGZHOU) LTD
CN·31 granted patents·2 pending applications·77 citations·filing 2013–2025
Top patents by PatentIndex Score
33 records- 0196US11572706B2Handle-locking mechanism and door lock using such mechanismCMECH GUANGZHOU LTD·Filed 2021·Granted Feb 7, 2023·7 cites·7 claims
- 0292US9822569B2Pneumatic door closerCMECH (GUANGZHOU) LTD·Filed 2016·Granted Nov 21, 2017·9 cites·10 claims
- 0390US11661763B2Anti-unlatched mechanism and a door lock thereofCMECH GUANGZHOU LTD·Filed 2021·Granted May 30, 2023·2 cites·22 claims
- 0488US10006237B1Automatic door stopping-closing device and doorCMECH GUANGZHOU LTD·Filed 2017·Granted Jun 26, 2018·7 cites·14 claims
- 0586US11039685B2Transmission assembly, power unit and lifting cabinetCMECH GUANGZHOU LTD·Filed 2019·Granted Jun 22, 2021·2 cites·20 claims
- 0686US10844633B2Push-pull passage lock mounting device adapted to doors in various sizesCMECH GUANGZHOU LTD·Filed 2017·Granted Nov 24, 2020·7 cites·26 claims
- 0784US9637966B1Cupboard with up-down louvered doorCMECH (GUANGZHOU) LTD·Filed 2016·Granted May 2, 2017·11 cites·22 claims
- 0881US9637964B1Cupboard with up-down louvered door and balance systemCMECH (GUANGZHOU) LTD·Filed 2016·Granted May 2, 2017·11 cites·24 claims
- 0976US12404697B2Latch bolt installation structure and door lock using such structureCMECH GUANGZHOU LTD·Filed 2023·Granted Sep 2, 2025·0 cites·22 claims
- 1076US2024337143A1Hydraulic door closer capable of reducing oil-pressure therein in high temperatureCMECH GUANGZHOU LTD·Filed 2024·Application pending·0 cites
- 1175US12523061B2Door lock with handleCMECH GUANGZHOU LTD·Filed 2024·Granted Jan 13, 2026·0 cites·16 claims
- 1274US10844628B2Push-pull passage lock housingCMECH GUANGZHOU LTD·Filed 2017·Granted Nov 24, 2020·3 cites·20 claims
- 1373US10024100B2Magnetically actuated door sealCMECH GUANGZHOU LTD·Filed 2016·Granted Jul 17, 2018·3 cites·16 claims
- 1472US9009917B2Bracket door closerCMECH GUANGZHOU LTD·Filed 2013·Granted Apr 21, 2015·6 cites·27 claims
- 1568US12180745B2Door lock with handleCMECH GUANGZHOU LTD·Filed 2021·Granted Dec 31, 2024·0 cites·6 claims
- 1668US12024919B2Latch bolt installation structure and door lock using such structureCMECH GUANGZHOU LTD·Filed 2021·Granted Jul 2, 2024·0 cites·20 claims
- 1768US9920561B2Combination hydraulic and pneumatic door closerCMECH GUANGZHOU LTD·Filed 2016·Granted Mar 20, 2018·4 cites·15 claims
- 1868US9151100B2Bracket door closerCMECH GUANGZHOU LTD·Filed 2015·Granted Oct 6, 2015·3 cites·16 claims
- 1967US10352079B2Pneumatic door closerCMECH GUANGZHOU LTD·Filed 2017·Granted Jul 16, 2019·1 cites·12 claims
- 2066US12071805B2Hydraulic door closer capable of reducing oil-pressure therein in high temperatureCMECH GUANGZHOU LTD·Filed 2021·Granted Aug 27, 2024·0 cites·14 claims
- 2161US10641026B2Automatic door stopping-closing device and doorCMECH GUANGZHOU LTD·Filed 2018·Granted May 5, 2020·1 cites·13 claims
- 2257US10995532B2Pneumatic door closerCMECH GUANGZHOU LTD·Filed 2019·Granted May 4, 2021·0 cites·10 claims
- 2357US10961759B2Pneumatic door closerCMECH GUANGZHOU LTD·Filed 2019·Granted Mar 30, 2021·0 cites·10 claims
- 2453US11375807B2Lifting cabinetCMECH GUANGZHOU LTD·Filed 2019·Granted Jul 5, 2022·0 cites·7 claims
- 2553US11096484B2Lifting cabinet and device thereofCMECH GUANGZHOU LTD·Filed 2019·Granted Aug 24, 2021·0 cites·16 claims
- 2653US11096485B2Steel cable steering device, steel cable steering system and lifting cabinetCMECH GUANGZHOU LTD·Filed 2019·Granted Aug 24, 2021·0 cites·17 claims
- 2750US11091948B2Hydraulic door closer capable of reducing oil-pressure therein in high temperatureCMECH GUANGZHOU LTD·Filed 2019·Granted Aug 17, 2021·0 cites·18 claims
- 2849US11091947B2Hydraulic door closer capable of reducing oil-pressure therein in high temperatureCMECH GUANGZHOU LTD·Filed 2019·Granted Aug 17, 2021·0 cites·7 claims
- 2947US10871021B2Cupboard door balance systemCMECH GUANGZHOU LTD·Filed 2017·Granted Dec 22, 2020·0 cites·19 claims
- 3044US11242702B2Push-pull passage lockCMECH GUANGZHOU LTD·Filed 2017·Granted Feb 8, 2022·0 cites·24 claims
- 3144US10633902B2Hydraulic door closer capable of reducing oil-pressure therein in high temperatureCMECH GUANGZHOU LTD·Filed 2016·Granted Apr 28, 2020·0 cites·16 claims
- 3241US2017183901A1Cupboard door balance systemCMECH (GUANGZHOU) LTD·Filed 2016·Application pending·0 cites
- 3337USD1119514SPatio door handleCMECH GUANGZHOU LTD·Filed 2025·Granted Mar 24, 2026·0 cites·1 claims
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