Inventor · disambiguated record
Zhanzheng Lv
Also filed as: LV ZHANZHENG
4 granted patents·9 pending applications·32 citations·filing 2021–2025
75Inventor score
Technology areasA47C
Top patents by PatentIndex Score
13 records- 0195US11452378B1Mechanical stretching device for movable seat unit and seat unitREMACRO MACH & TECH WUJIANG CO LTD·Filed 2021·Granted Sep 27, 2022·17 cites·19 claims
- 0294US11944199B2Mechanical stretching device for movable seat unit and seat unitREMACRO TECH CO LTD·Filed 2023·Granted Apr 2, 2024·5 cites·20 claims
- 0393US11700942B2Mechanically stretchable apparatus for a sofa and sofa thereofREMACRO TECH CO LTD·Filed 2021·Granted Jul 18, 2023·7 cites·16 claims
- 0489US12239240B2Extendable seating interconnected mechanism and seating supporting frameREMACRO TECH CO LTD·Filed 2023·Granted Mar 4, 2025·3 cites·12 claims
- 0574US2024245217A1Mechanical stretching device for movable seat unit and seat unitREMACRO TECH CO LTD·Filed 2024·Application pending·0 cites
- 0671US2025338963A1Mechanical stretching device for movable seat unit and seat unitREMACRO TECH CO LTD·Filed 2025·Application pending·0 cites
- 0769US2023232983A1Mechanical stretching device for movable seat unit and seat unitREMACRO TECH CO LTD·Filed 2023·Application pending·0 cites
- 0866US2023127846A1Mechanical stretching device for movable seat unit and seat unitREMACRO MACHINERY & TECH CO LTD·Filed 2022·Application pending·0 cites
- 0956US2024172876A1Contractible Sofa Linkage Device, Sofa Support, and SofaREMACRO TECH CO LTD·Filed 2024·Application pending·0 cites
- 1056US2024164527A1Device for Retracting Seat Leg at Angle, Seat Support, and Seat UnitREMACRO TECH CO LTD·Filed 2024·Application pending·0 cites
- 1155US2025049220A1Extendable seat frame and furniture thereofREMACRO TECH CO LTD·Filed 2024·Application pending·0 cites
- 1254US2025040707A1Mechanical Stretching Device for Movable Seat Unit and Seat UnitREMACRO TECH CO LTD·Filed 2024·Application pending·0 cites
- 1353US2025000260A1Movable seating device and mechanical extension device thereofREMACRO TECH CO LTD·Filed 2024·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Zhanzheng Lv 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 →