Assignee
CHANG TJER MACHINERY CO LTD
TW·3 granted patents·3 pending applications·4 citations·filing 2015–2020
Top patents by PatentIndex Score
6 records- 0164USD939661SFiltration deviceCHANG TJER MACHINERY CO LTD·Filed 2020·Granted Dec 28, 2021·4 cites·1 claims
- 0255US11564542B2Disassembly mechanism and dust collector including the sameCHANG TJER MACHINERY CO LTD·Filed 2020·Granted Jan 31, 2023·0 cites·2 claims
- 0346US2019232209A1Dust filter barrelCHANG TJER MACHINERY CO LTD·Filed 2019·Application pending·0 cites
- 0442US11371523B2Detachment mechanism for fanCHANG TJER MACHINERY CO LTD·Filed 2020·Granted Jun 28, 2022·0 cites·8 claims
- 0541US2017266599A1Dust filter barrelCHANG TJER MACHINERY CO LTD·Filed 2017·Application pending·0 cites
- 0636US2016030873A1Dust filter barrelCHANG TJER MACHINERY CO LTD·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when CHANG TJER MACHINERY CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →