Inventor · disambiguated record
Hao Chang
Also filed as: CHANG HAO · CHANG HAO-CHIN
13 granted patents·1 pending application·14 citations·filing 2007–2024
84Inventor score
Top patents by PatentIndex Score
14 records- 0187US11555497B2Quick startup device for centrifugal pumpUNIV JIANGSU·Filed 2022·Granted Jan 17, 2023·2 cites·10 claims
- 0280US11480180B2Self-priming starting device for centrifugal pumpUNIV JIANGSU·Filed 2019·Granted Oct 25, 2022·3 cites·9 claims
- 0379US2024408730A1Fastener driving device with mechanisms to limit movement of nailsSTANLEY FASTENING SYS LP·Filed 2024·Application pending·0 cites
- 0469US12083656B2Fastener driving device with mechanisms to limit movement of nailsSTANLEY FASTENING SYS LP·Filed 2021·Granted Sep 10, 2024·0 cites·24 claims
- 0567US11161230B2Fastener driving device with mechanisms to limit movement of nailsSTANLEY FASTENING SYS LP·Filed 2014·Granted Nov 2, 2021·2 cites·25 claims
- 0664US8684245B2Fastener driving device with mechanisms to limit movement of nailsCANLAS JR PRUDENCIO S·Filed 2007·Granted Apr 1, 2014·7 cites·8 claims
- 0754US11754095B2Pump front chamber automatic compensation device for improving closed impeller backflowUNIV JIANGSU·Filed 2021·Granted Sep 12, 2023·0 cites·12 claims
- 0852US12158166B2Self-priming apparatus for quick no-water startupUNIV JIANGSU·Filed 2021·Granted Dec 3, 2024·0 cites·10 claims
- 0952US11739755B2Pneumatic type water-free starting self-priming deviceUNIV JIANGSU·Filed 2021·Granted Aug 29, 2023·0 cites·10 claims
- 1048US12146509B2Driven gas-liquid separation starting deviceUNIV JIANGSU·Filed 2022·Granted Nov 19, 2024·0 cites·10 claims
- 1147US11766679B2Flow self-adjusting type mine diameter grading apparatus applied to tailings recoveryUNIV JIANGSU·Filed 2021·Granted Sep 26, 2023·0 cites·10 claims
- 1242US11078914B2Hemispherical entrainment-type high-flow self-priming centrifugal pumpUNIV JIANGSU·Filed 2018·Granted Aug 3, 2021·0 cites·10 claims
- 1339US11905976B2Quick no-water startup apparatus for centrifugal pumpUNIV JIANGSU·Filed 2021·Granted Feb 20, 2024·0 cites·7 claims
- 1438US9689896B2Separating device for electronic componentsLITE ON TECHNOLOGY CORP·Filed 2016·Granted Jun 27, 2017·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Hao Chang 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 →