Inventor · disambiguated record
Koon For Chung
Also filed as: CHUNG KOON FOR
17 granted patents·11 pending applications·214 citations·filing 2005–2023
92Inventor score
Files withTECHTRONIC CORDLESS GP15EASTWAY FAIR CO LTD5MILWAUKEE ELECTRIC TOOL CORP3TTI MACAO COMMERCIAL OFFSHORE LTD3MYRHUM JR JAMES O1
Top patents by PatentIndex Score
28 records- 0194US9393711B2Hand-held knockout punch driverMYRHUM JR JAMES O·Filed 2012·Granted Jul 19, 2016·18 cites·17 claims
- 0294US7410007B2Impact rotary tool with drill modeEASTWAY FAIR CO LTD·Filed 2005·Granted Aug 12, 2008·85 cites·21 claims
- 0392US7478979B2Rotatable chuckEASTWAY FAIR CO LTD·Filed 2005·Granted Jan 20, 2009·50 cites·25 claims
- 0491US11248620B2Electric blower with an axial fan and motor for sweeping and cleaningTECHTRONIC CORDLESS GP·Filed 2019·Granted Feb 15, 2022·6 cites·20 claims
- 0591US7481608B2Rotatable chuckEASTWAY FAIR CO LTD·Filed 2005·Granted Jan 27, 2009·40 cites·22 claims
- 0687US11701789B2Hand-held knockout punch driverMILWAUKEE ELECTRIC TOOL CORP·Filed 2021·Granted Jul 18, 2023·1 cites·15 claims
- 0785US11185015B2Hedge trimmer with a dual gear settingTTI MACAO COMMERCIAL OFFSHORE LTD·Filed 2015·Granted Nov 30, 2021·6 cites·15 claims
- 0881US12311520B2Long-rod-type electric toolTECHTRONIC CORDLESS GP·Filed 2021·Granted May 27, 2025·1 cites·19 claims
- 0979US11034047B2Hand-held knockout punch driverMILWAUKEE ELECTRIC TOOL CORP·Filed 2019·Granted Jun 15, 2021·1 cites·15 claims
- 1075US10252438B2Hand-held knockout punch driverMILWAUKEE ELECTRIC TOOL CORP·Filed 2016·Granted Apr 9, 2019·1 cites·18 claims
- 1169US7510465B2Sand pad lock for sanderEASTWAY FAIR CO LTD·Filed 2007·Granted Mar 31, 2009·5 cites·16 claims
- 1269US2024188490A1Force Amplified Fastener for Power Tool ImplementsTECHTRONIC CORDLESS GP·Filed 2022·Application pending·0 cites
- 1368US12408585B2Force amplified fastener for power tool implementsTECHTRONIC CORDLESS GP·Filed 2021·Granted Sep 9, 2025·0 cites·24 claims
- 1463US12296424B2Control system for normally-on power toolTECHTRONIC CORDLESS GP·Filed 2022·Granted May 13, 2025·0 cites·15 claims
- 1562US2023345872A1Wheel attachment for garden toolTECHTRONIC CORDLESS GP·Filed 2023·Application pending·0 cites
- 1661US2023276733A1Robotic garden tool with quick change mechanismTECHTRONIC CORDLESS GP·Filed 2023·Application pending·0 cites
- 1760US2023301234A1Garden tool with toollessly interchangeable wheelTECHTRONIC CORDLESS GP·Filed 2023·Application pending·0 cites
- 1856US12270419B2Electric toolTECHTRONIC CORDLESS GP·Filed 2022·Granted Apr 8, 2025·0 cites·20 claims
- 1954US12472611B2Peg driverTECHTRONIC CORDLESS GP·Filed 2022·Granted Nov 18, 2025·0 cites·20 claims
- 2051US2022330481A1Hybrid grass cutting apparatusTECHTRONIC CORDLESS GP·Filed 2022·Application pending·0 cites
- 2150US2022193691A1Shredding deviceTECHTRONIC CORDLESS GP·Filed 2021·Application pending·0 cites
- 2247US2008295918A1Router With Lighted BaseEASTWAY FAIR CO LTD·Filed 2007·Application pending·0 cites
- 2346US12370564B2Outdoor surface cleaning apparatus with spray mechanismTECHTRONIC CORDLESS GP·Filed 2021·Granted Jul 29, 2025·0 cites·20 claims
- 2446US2022193692A1Shredding mechanism, shredding device and control system and method thereofTECHTRONIC CORDLESS GP·Filed 2021·Application pending·0 cites
- 2543US11991952B2Walk-behind electric gardening deviceTTI MACAO COMMERCIAL OFFSHORE LTD·Filed 2019·Granted May 28, 2024·0 cites·13 claims
- 2641US2014208597A1Vegetation trimmerTECHTRONIC OUTDOOR PROD TECH·Filed 2014·Application pending·0 cites
- 2738US2019343039A1Cutting head assemblyTTI MACAO COMMERCIAL OFFSHORE LTD·Filed 2018·Application pending·0 cites
- 2836US2023358101A1Digging apparatus with safety mechanismTECHTRONIC CORDLESS GP·Filed 2020·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Koon For Chung 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 →