Inventor · disambiguated record
Ching-Fa Yang
Also filed as: YANG CHING-FA
5 granted patents·4 citations·filing 2015–2022
64Inventor score
Technology areasB21F
Files withPLUSPRINGS MACHINERY CO LTD5
Top patents by PatentIndex Score
5 records- 0174US9796013B1Tool holde panel mounting structure for spring making machinePLUSPRINGS MACHINERY CO LTD·Filed 2016·Granted Oct 24, 2017·3 cites·4 claims
- 0257US9700932B2Wire-forming mechanism for spring making machinePLUSPRINGS MACHINERY CO LTD·Filed 2015·Granted Jul 11, 2017·1 cites·4 claims
- 0355US12208438B2Positioning apparatus for positioning spring product fed from spring coiling machinePLUSPRINGS MACHINERY CO LTD·Filed 2022·Granted Jan 28, 2025·0 cites·12 claims
- 0448US11267039B2Triaxial spring-making machine and method thereofPLUSPRINGS MACHINERY CO LTD·Filed 2019·Granted Mar 8, 2022·0 cites·7 claims
- 0541US11072020B2Spring manufacturing machine with selectable configuration for processing toolsPLUSPRINGS MACHINERY CO LTD·Filed 2019·Granted Jul 27, 2021·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →