Inventor · disambiguated record
Hongjuan Zheng
Also filed as: ZHENG HONGJUAN
11 granted patents·5 pending applications·52 citations·filing 2014–2023
86Inventor score
Top patents by PatentIndex Score
16 records- 0190US9421850B2Folding tonneau cover system secondary hinge assemblySHI HANG·Filed 2014·Granted Aug 23, 2016·24 cites·13 claims
- 0286US11148512B2Truck bed cover locking device, truck bed and truckCHANGZHOU SUNWOOD INT TRADING CO LTD·Filed 2019·Granted Oct 19, 2021·6 cites·17 claims
- 0383US9610831B2Tonneau cover internal frame mounting systemSHI HANG·Filed 2015·Granted Apr 4, 2017·6 cites·17 claims
- 0472US11180011B2Truck bed cover locking device, truck bed and truckCHANGZHOU SUNWOOD INT TRADING CO LTD·Filed 2020·Granted Nov 23, 2021·1 cites·19 claims
- 0571USD907563SCarriage covering lockCHANGZHOU SUNWOOD INT TRADING CO LTD·Filed 2019·Granted Jan 12, 2021·13 cites·1 claims
- 0657US11820213B2Foldable support structure for soft high top of pickup truckCHANGZHOU SUNWOOD INT TRADING CO LTD·Filed 2022·Granted Nov 21, 2023·0 cites·6 claims
- 0757US2025135851A1Inflatable topper structure for pickup truck bedCHANGZHOU SUNWOOD INT TRADING CO LTD·Filed 2023·Application pending·0 cites
- 0856US11623503B2Locking structure for a truck bed cover and a truckCHANGZHOU SUNWOOD INT TRADING CO LTD·Filed 2020·Granted Apr 11, 2023·0 cites·14 claims
- 0954US11919377B2Overturning and tensioning mechanism for convertible soft top of vehicleCHANGZHOU SUNWOOD INT TRADING CO LTD·Filed 2022·Granted Mar 5, 2024·0 cites·7 claims
- 1051US11427059B2Soft tonneau cover with supporting cross barSHI HANG·Filed 2019·Granted Aug 30, 2022·0 cites·22 claims
- 1144US2020324633A1Tonneau cover latch and side rail systemSHI HANG·Filed 2020·Application pending·0 cites
- 1243US2015145277A1Tonneau cover latching systemSUNWOOD IND CO LTD·Filed 2014·Application pending·0 cites
- 1338US2018147926A1Tonneau cover with watertight and flat-surface hingesSHI HANG·Filed 2017·Application pending·0 cites
- 1434US2016107515A1Tonneau cover hidden snap systemSHI HANG·Filed 2015·Application pending·0 cites
- 1531USD918120SWatertight side-rail for tonneau coverSHI HANG·Filed 2018·Granted May 4, 2021·1 cites·1 claims
- 1631USD915267STonneau cover side-rail locking deviceSHI HANG·Filed 2018·Granted Apr 6, 2021·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →