Inventor · disambiguated record
Haishen Xu
Also filed as: XU HAISHEN
46 granted patents·15 pending applications·276 citations·filing 2009–2025
98Inventor score
Files withNANJING CHERVON IND CO LTD35CHERVON HK LTD16CHERVON IP LTD4CHERVON LTD2NANJING CHEVRON IND CO LTD1
Top patents by PatentIndex Score
61 records- 0198USD987691SMower blade assemblyNANJING CHERVON IND CO LTD·Filed 2022·Granted May 30, 2023·2 cites·1 claims
- 0298US11641795B2Lawn mowerNANJING CHERVON IND CO LTD·Filed 2020·Granted May 9, 2023·6 cites·20 claims
- 0398US11246262B2Operation safety assembly for a lawncare apparatusCHERVON HK LTD·Filed 2021·Granted Feb 15, 2022·6 cites·19 claims
- 0498US11246260B2Lawn mower with blade and mounting assemblyNANJING CHERVON IND CO LTD·Filed 2021·Granted Feb 15, 2022·18 cites·19 claims
- 0598US11122737B2Blade assembly for a lawn mowerNANJING CHERVON IND CO LTD·Filed 2021·Granted Sep 21, 2021·19 cites·17 claims
- 0697US11997944B2Blade assembly for a lawn mowerNANJING CHERVON IND CO LTD·Filed 2022·Granted Jun 4, 2024·1 cites·20 claims
- 0797US11917939B2Blade assembly for a lawn mowerNANJING CHERVON IND CO LTD·Filed 2022·Granted Mar 5, 2024·2 cites·19 claims
- 0897US10070588B2Gardening toolCHERVON HK LTD·Filed 2016·Granted Sep 11, 2018·19 cites·21 claims
- 0997US9986686B2Gardening toolCHERVON HK LTD·Filed 2016·Granted Jun 5, 2018·16 cites·20 claims
- 1097US9826686B2Gardening toolCHERVON IP LTD·Filed 2016·Granted Nov 28, 2017·15 cites·20 claims
- 1196US10485169B2Lawncare apparatusCHERVON HK LTD·Filed 2016·Granted Nov 26, 2019·12 cites·8 claims
- 1296US10485176B2Lawn care apparatusCHERVON HK LTD·Filed 2019·Granted Nov 26, 2019·11 cites·30 claims
- 1396US10477772B2Gardening toolCHERVON HK LTD·Filed 2018·Granted Nov 19, 2019·12 cites·18 claims
- 1496US9060463B2Lawnmower with operation protection and safety switch mechanism thereofCHERVON HK LTD·Filed 2013·Granted Jun 23, 2015·22 cites·20 claims
- 1594US10524420B2Lawncare apparatusCHERVON HK LTD·Filed 2016·Granted Jan 7, 2020·10 cites·15 claims
- 1694US10492365B2Lawncare apparatusCHERVON HK LTD·Filed 2016·Granted Dec 3, 2019·9 cites·9 claims
- 1794US9596806B2Control system for controlling the operation of a gardening toolCHERVON IP LTD·Filed 2014·Granted Mar 21, 2017·17 cites·13 claims
- 1893US9888627B2Lawncare apparatus with a foldable operating armCHERVON HK LTD·Filed 2013·Granted Feb 13, 2018·15 cites·10 claims
- 1991US12144283B2Robotic lawn mower having a height adjustmentNANJING CHERVON IND CO LTD·Filed 2020·Granted Nov 19, 2024·2 cites·20 claims
- 2091US11252867B2Safety assembly for a lawncare apparatusCHERVON HK LTD·Filed 2019·Granted Feb 22, 2022·5 cites·14 claims
- 2191US10111383B2Hand pushed lawn mowerCHERVON HK LTD·Filed 2016·Granted Oct 30, 2018·10 cites·10 claims
- 2291US2024292781A1Blade assembly for a lawn mowerNANJING CHERVON IND CO LTD·Filed 2024·Application pending·0 cites
- 2390US11844305B2Walk-behind self-propelled working machineNANJING CHERVON IND CO LTD·Filed 2022·Granted Dec 19, 2023·1 cites·17 claims
- 2488US11606900B2Gardening toolCHERVON HK LTD·Filed 2019·Granted Mar 21, 2023·5 cites·30 claims
- 2588US8793886B2Power tool with a rotatable working headYamaoka toshinari·Filed 2009·Granted Aug 5, 2014·17 cites·15 claims
- 2687US8963497B2Cordless tool systemYANG DEZHONG·Filed 2012·Granted Feb 24, 2015·13 cites·14 claims
- 2785US12041874B2Blade assembly for a lawn mowerNANJING CHERVON IND CO LTD·Filed 2023·Granted Jul 23, 2024·0 cites·9 claims
- 2884USD997998SMower bladeNANJING CHERVON IND CO LTD·Filed 2022·Granted Sep 5, 2023·0 cites·1 claims
- 2984USD996470SMower blade assemblyNANJING CHERVON IND CO LTD·Filed 2022·Granted Aug 22, 2023·0 cites·1 claims
- 3084USD996471SMower blade assemblyNANJING CHERVON IND CO LTD·Filed 2022·Granted Aug 22, 2023·0 cites·1 claims
- 3184USD995567SMower blade assemblyNANJING CHERVON IND CO LTD·Filed 2022·Granted Aug 15, 2023·0 cites·1 claims
- 3284USD995568SMower blade assemblyNANJING CHERVON IND CO LTD·Filed 2022·Granted Aug 15, 2023·0 cites·1 claims
- 3384US2025212722A1Blade assembly for a lawn mowerNANJING CHERVON IND CO LTD·Filed 2025·Application pending·0 cites
- 3483US11937545B2Blade assembly for a lawn mowerNANJING CHERVON IND CO LTD·Filed 2022·Granted Mar 26, 2024·0 cites·8 claims
- 3581US12408584B2Dual blade assembly for a lawn mowerNANJING CHERVON IND CO LTD·Filed 2022·Granted Sep 9, 2025·0 cites·19 claims
- 3680US12364192B2Lawncare apparatusCHERVON HK LTD·Filed 2022·Granted Jul 22, 2025·0 cites·20 claims
- 3780US11997945B2Hand push lawn mower with a height adjustment assemblyNANJING CHERVON IND CO LTD·Filed 2020·Granted Jun 4, 2024·1 cites·17 claims
- 3878US10729066B2Handle for a self-propelled machineNANJING CHEVRON IND CO LTD·Filed 2019·Granted Aug 4, 2020·3 cites·15 claims
- 3978US9548614B2Cordless tool systemCHERVON IP LTD·Filed 2015·Granted Jan 17, 2017·3 cites·16 claims
- 4073US12108702B2Gardening tool, particularly a mowerCHERVON HK LTD·Filed 2020·Granted Oct 8, 2024·0 cites·20 claims
- 4173US2025367848A1ChainsawNANJING CHERVON IND CO LTD·Filed 2025·Application pending·0 cites
- 4272US12133483B2Walk-behind self-propelled working machineNANJING CHERVON IND CO LTD·Filed 2022·Granted Nov 5, 2024·0 cites·19 claims
- 4368US2024306540A1MowerNANJING CHERVON IND CO LTD·Filed 2024·Application pending·0 cites
- 4467US12414502B2Lawn mower and cutting bladeNANJING CHERVON IND CO LTD·Filed 2021·Granted Sep 16, 2025·0 cites·19 claims
- 4565US12102037B2Self-propelled machine with grip-mounted starting triggers and speed adjustmentNANJING CHERVON IND CO LTD·Filed 2020·Granted Oct 1, 2024·0 cites·10 claims
- 4665US2024130276A1Riding mowing deviceNANJING CHERVON IND CO LTD·Filed 2023·Application pending·0 cites
- 4765US2025100399A1Electric all-terrain vehicleNANJING CHERVON IND CO LTD·Filed 2024·Application pending·0 cites
- 4865US2024206385A1Rear-moving power toolNANJING CHERVON IND CO LTD·Filed 2023·Application pending·0 cites
- 4964US2025359508A1MowerNANJING CHERVON IND CO LTD·Filed 2025·Application pending·0 cites
- 5064US2024008398A1MowerNANJING CHERVON IND CO LTD·Filed 2023·Application pending·0 cites
Showing the top 50 of 61 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Haishen Xu 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 →