Inventor · disambiguated record
Ni Zhu
Also filed as: ZHU NI
37 granted patents·18 pending applications·802 citations·filing 1999–2025
98Inventor score
Top patents by PatentIndex Score
55 records- 0194US8048031B2IV catheter introducerRETRACTABLE TECHNOLOGIES INC·Filed 2009·Granted Nov 1, 2011·138 cites·11 claims
- 0293US8777504B2Cleaning toolSHAW THOMAS J·Filed 2009·Granted Jul 15, 2014·101 cites·17 claims
- 0392US9138545B2Needle retraction apparatusRETRACTABLE TECHNOLOGIES INC·Filed 2012·Granted Sep 22, 2015·62 cites·28 claims
- 0490US9694139B2Fluid flow control device with retractable cannulaRETRACTABLE TECHNOLOGIES INC·Filed 2016·Granted Jul 4, 2017·8 cites·6 claims
- 0589US9308353B2Needle retraction apparatusRETRACTABLE TECHNOLOGIES INC·Filed 2013·Granted Apr 12, 2016·22 cites·10 claims
- 0688US8469927B2Fluid flow control device with retractable cannulaSHAW THOMAS J·Filed 2012·Granted Jun 25, 2013·18 cites·18 claims
- 0787US9814841B2Medical device with sliding frontal attachment and retractable needleRETRACTABLE TECHNOLOGIES INC·Filed 2013·Granted Nov 14, 2017·17 cites·11 claims
- 0885US11141570B2IV catheter with retractable needle and laterally offset biasing element and needle retraction cavityRETRACTABLE TECHNOLOGIES INC·Filed 2018·Granted Oct 12, 2021·5 cites·10 claims
- 0985US9320469B2Retractable needle for blood gas samplingRETRACTABLE TECHNOLOGIES INC·Filed 2014·Granted Apr 26, 2016·21 cites·5 claims
- 1083US9247899B2Blood draw device with retractable needleSHAW THOMAS J·Filed 2010·Granted Feb 2, 2016·18 cites·9 claims
- 1183US8496600B2Non-reusable collection device for bodily fluidsSHAW THOMAS J·Filed 2010·Granted Jul 30, 2013·17 cites·21 claims
- 1283USD660420SHousing for collection device for bodily fluidsSHAW THOMAS J·Filed 2011·Granted May 22, 2012·33 cites·1 claims
- 1383US6221055B1Retractable dental syringeRETRACTABLE TECHNOLOGIES INC·Filed 1999·Granted Apr 24, 2001·208 cites·25 claims
- 1482US9381309B2Frontal attachment device for syringe with pinch-activated retractionRETRACTABLE TECHNOLOGIES INC·Filed 2013·Granted Jul 5, 2016·12 cites·21 claims
- 1582USD645962SHousing for collection device for bodily fluidsRETRACTABLE TECHNOLOGIES INC·Filed 2010·Granted Sep 27, 2011·30 cites·1 claims
- 1679US10568554B2Blood collection tube holder with slide-activated needle retractionRETRACTABLE TECHNOLOGIES INC·Filed 2016·Granted Feb 25, 2020·3 cites·18 claims
- 1776US9956352B2Combined medical device with sliding frontal attachment and retractable needleRETRACTABLE TECHNOLOGIES INC·Filed 2013·Granted May 1, 2018·6 cites·14 claims
- 1876US9931475B2Frontal attachment device for syringe with pinch-activated needle retractionRETRACTABLE TECHNOLOGIES INC·Filed 2016·Granted Apr 3, 2018·2 cites·3 claims
- 1973US12161851B2Combined medical device with sliding frontal attachment and retractable needleRETRACTABLE TECHNOLOGIES INC·Filed 2018·Granted Dec 10, 2024·1 cites·8 claims
- 2073US9440033B2Fluid flow control device with retractable cannulaRETRACTABLE TECHNOLOGIES INC·Filed 2013·Granted Sep 13, 2016·4 cites·6 claims
- 2171USD823457SBlood collection tube holder with offset needle retraction chamber and frontal attachmentRETRACTABLE TECHNOLOGIES INC·Filed 2016·Granted Jul 17, 2018·13 cites·1 claims
- 2270US9642970B2Syringe with retractable needle and moveable plunger sealSHAW THOMAS J·Filed 2010·Granted May 9, 2017·4 cites·14 claims
- 2368USD751691SHousing for blood collection setRETRACTABLE TECHNOLOGIES INC·Filed 2014·Granted Mar 15, 2016·14 cites·1 claims
- 2468US2025073397A1Combined Medical Device with Sliding Frontal Attachment and Retractable NeedleRETRACTABLE TECHNOLOGIES INC·Filed 2024·Application pending·0 cites
- 2567US12491319B2Universal dosage verification system and method for medical syringeRETRACTABLE TECHNOLOGIES INC·Filed 2024·Granted Dec 9, 2025·0 cites·11 claims
- 2667USD829891SSyringe with offset needle retraction chamber and frontal attachmentRETRACTABLE TECHNOLOGIES INC·Filed 2016·Granted Oct 2, 2018·11 cites·1 claims
- 2767USD823461SSlimline syringe with offset needle retraction chamber and frontal attachmentRETRACTABLE TECHNOLOGIES INC·Filed 2016·Granted Jul 17, 2018·11 cites·1 claims
- 2865US12458761B2Dosage verification system and method for safety syringeRETRACTABLE TECHNOLOGIES INC·Filed 2022·Granted Nov 4, 2025·0 cites·41 claims
- 2965USD823463SFrontal attachment for medical deviceRETRACTABLE TECHNOLOGIES INC·Filed 2016·Granted Jul 17, 2018·10 cites·1 claims
- 3065US9302055B2Frontal attachment device for syringe with rotationally activated retractable needleRETRACTABLE TECHNOLOGIES INC·Filed 2013·Granted Apr 5, 2016·2 cites·3 claims
- 3164USD838842SSyringe with barrel having flat top and bottom surface portionsRETRACTABLE TECHNOLOGIES INC·Filed 2018·Granted Jan 22, 2019·9 cites·1 claims
- 3264US2024165341A1Universal Dosage Verification System and Method for Medical SyringeSHAW THOMAS J·Filed 2024·Application pending·0 cites
- 3364US2025229030A1Universal Dosage Verification System and Method for Medical SyringeRETRACTABLE TECHNOLOGIES INC·Filed 2025·Application pending·0 cites
- 3461US9295790B2Syringe with recessed nose and protective guard for use with frontal attachmentsSHAW THOMAS J·Filed 2008·Granted Mar 29, 2016·2 cites·14 claims
- 3561US2024238534A1Smallpox vaccination deviceSHAW THOMAS J·Filed 2023·Application pending·0 cites
- 3661US2025339623A1Universal Dosage Verification System and Method for Medical SyringeRETRACTABLE TECHNOLOGIES INC·Filed 2025·Application pending·0 cites
- 3755US2009306601A1Fluid Flow Control Device with Retractable CannulaSHAW THOMAS J·Filed 2008·Application pending·0 cites
- 3854US2023148921A1Blood Collection DeviceSHAW THOMAS J·Filed 2021·Application pending·0 cites
- 3953US11607504B2Syringe exchange deviceRETRACTABLE TECHNOLOGIES INC·Filed 2019·Granted Mar 21, 2023·0 cites·11 claims
- 4051US12285253B2Blood collection tube holder with single needleRETRACTABLE TECHNOLOGIES INC·Filed 2018·Granted Apr 29, 2025·0 cites·19 claims
- 4151US10342929B2Frontal attachment device for syringe with rotationally activated retractable needleRETRACTABLE TECHNOLOGIES INC·Filed 2016·Granted Jul 9, 2019·0 cites·33 claims
- 4251US2011230844A1Glass Syringe with Retractable NeedleSHAW THOMAS J·Filed 2009·Application pending·0 cites
- 4351US2017239426A1Medical Device with Retractable Needle and Moveable Plunger SealSHAW THOMAS J·Filed 2017·Application pending·0 cites
- 4450US2011125097A1Catheter Introducer with Hub Seal and Removal TabSHAW THOMAS J·Filed 2009·Application pending·0 cites
- 4549US2023034986A1Safety Syringe and Dosage Verification SystemSHAW THOMAS J·Filed 2022·Application pending·0 cites
- 4649US2010000040A1Cleaning Tool for Attachment SurfacesSHAW THOMAS J·Filed 2008·Application pending·0 cites
- 4748US2016199584A1Syringe with Recessed Nose and Protective Guard for Use with Frontal AttachmentsRETRACTABLE TECHNOLOGIES INC·Filed 2016·Application pending·0 cites
- 4847US2007260189A1Syringe with Recessed Nose for Use with Frontal AttachmentsSHAW THOMAS J·Filed 2007·Application pending·0 cites
- 4946US12268848B2Syringe with flat indicia display surfaceRETRACTABLE TECHNOLOGIES INC·Filed 2018·Granted Apr 8, 2025·0 cites·41 claims
- 5046US2015283328A1Needle Holder AssemblySHAW THOMAS J·Filed 2014·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →