Inventor · disambiguated record
Chen Chen
Also filed as: CHEN CHEN F · CHEN CHEN-FEN
22 granted patents·8 pending applications·234 citations·filing 2000–2021
96Inventor score
Files withSMITH INTERNATIONAL14EVERGOOD HARDWARE PRODUCTS CO LTD4CHEN CHEN F1CHEN CHEN FEN1SCHLUMBERGER TECHNOLOGY CORP1
Top patents by PatentIndex Score
30 records- 0196US10287825B2Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elementsSMITH INTERNATIONAL·Filed 2015·Granted May 14, 2019·18 cites·22 claims
- 0294US12031384B2Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Jul 9, 2024·3 cites·19 claims
- 0394US11215012B2Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elementsSMITH INTERNATIONAL·Filed 2019·Granted Jan 4, 2022·8 cites·22 claims
- 0494US9976356B2Rolling cutter with retaining ringSMITH INTERNATIONAL·Filed 2017·Granted May 22, 2018·9 cites·18 claims
- 0594US9605486B2Rolling cutter with close loop retaining ringSMITH INTERNATIONAL·Filed 2013·Granted Mar 28, 2017·18 cites·22 claims
- 0693US10267096B2Drill bit rolling element with retaining ringSMITH INTERNATIONAL·Filed 2018·Granted Apr 23, 2019·7 cites·20 claims
- 0793US9464486B2Rolling cutter with bottom supportSMITH INTERNATIONAL·Filed 2013·Granted Oct 11, 2016·18 cites·18 claims
- 0889US10350770B1Pattern knife assemblyEVERGOOD HARDWARE PRODUCTS CO LTD·Filed 2018·Granted Jul 16, 2019·11 cites·10 claims
- 0989US9328564B2Cutting elements retained within sleevesSMITH INTERNATIONAL·Filed 2013·Granted May 3, 2016·13 cites·18 claims
- 1088US10774596B2Rolling cutter stabilitySMITH INTERNATIONAL·Filed 2016·Granted Sep 15, 2020·7 cites·20 claims
- 1181USD497523SKnife holderFiled 2004·Granted Oct 26, 2004·25 cites·1 claims
- 1277US10119341B2Cutter with support linerSMITH INTERNATIONAL·Filed 2016·Granted Nov 6, 2018·2 cites·19 claims
- 1376US9869133B2Method of using spring loaded blocker to retain rolling cutters or mechanical lock cuttersSMITH INTERNATIONAL·Filed 2013·Granted Jan 16, 2018·5 cites·24 claims
- 1476USD468972SKnife hiltFiled 2002·Granted Jan 21, 2003·21 cites·1 claims
- 1574US10774594B2Rotating cutting structures and structures for retaining the sameSMITH INTERNATIONAL·Filed 2016·Granted Sep 15, 2020·2 cites·17 claims
- 1673USD499301SKnife holderFiled 2003·Granted Dec 7, 2004·18 cites·1 claims
- 1768USD498394SKnife hiltFiled 2003·Granted Nov 16, 2004·15 cites·1 claims
- 1868USD445663SHandle grip with ellipsoidal endFiled 2000·Granted Jul 31, 2001·16 cites·1 claims
- 1955USD874873SKnife handleEVERGOOD HARDWARE PRODUCTS CO LTD·Filed 2018·Granted Feb 11, 2020·6 cites·1 claims
- 2052US2015328781A1Kitchen knife deviceEVERGOOD HARDWARE PRODUCTS CO LTD·Filed 2014·Application pending·0 cites
- 2151USD469666SKnife handleFiled 2002·Granted Feb 4, 2003·7 cites·1 claims
- 2250US2007000135A1Knife structureCHEN CHEN F·Filed 2005·Application pending·0 cites
- 2348US2006101649A1Knife with spaced ceramic tipsCHEN CHEN FEN·Filed 2004·Application pending·0 cites
- 2445US9464490B2Gage cutter protection for drilling bitsSMITH INTERNATIONAL·Filed 2013·Granted Oct 11, 2016·0 cites·14 claims
- 2545USD494441SKnife hiltFiled 2003·Granted Aug 17, 2004·5 cites·1 claims
- 2645US2003101597A1Knife assemblyFiled 2001·Application pending·0 cites
- 2745US2015047910A1Downhole cutting tools having rolling cutters with non-planar cutting surfacesSMITH INTERNATIONAL·Filed 2014·Application pending·0 cites
- 2845US2015047911A1Using magnetic force/field for drill bits and other cutting toolsSMITH INTERNATIONAL·Filed 2014·Application pending·0 cites
- 2943US2003101598A1Knife blade assemblyFiled 2001·Application pending·0 cites
- 3041US2017341244A1Knife with laser engraved fishscale linesEVERGOOD HARDWARE PRODUCTS CO LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →