Inventor · disambiguated record
Michael D. Ensign
Also filed as: ENSIGN MICHAEL · ENSIGN MICHAEL D
26 granted patents·21 pending applications·1,469 citations·filing 1999–2021
97Inventor score
Top patents by PatentIndex Score
47 records- 0197US6942475B2Disposable knee moldORTHO DEV CORP·Filed 2003·Granted Sep 13, 2005·205 cites·125 claims
- 0294US7892239B2Pivotable interbody spacer system and methodBEACON BIOMEDICAL LLC·Filed 2008·Granted Feb 22, 2011·92 cites·11 claims
- 0393US8157845B2Pivotable vetrebral spacerWARNICK DAVID R·Filed 2007·Granted Apr 17, 2012·93 cites·16 claims
- 0493US7445627B2Polyaxial pedicle screw assemblyALPINESPINE LLC·Filed 2006·Granted Nov 4, 2008·286 cites·7 claims
- 0593US7429346B2Method of forming a temporary prosthetic joint using a disposable moldORTHO DEV CORP·Filed 2004·Granted Sep 30, 2008·58 cites·35 claims
- 0690US8444650B2Pivotable interbody spacer system and methodWARNICK DAVID R·Filed 2011·Granted May 21, 2013·37 cites·20 claims
- 0789US6379388B1Tibial prosthesis locking system and method of repairing knee jointORTHO DEV CORP·Filed 1999·Granted Apr 30, 2002·413 cites·50 claims
- 0886US8308774B2Spinal rod reducer and cap insertion apparatusHOFFMAN JEFFREY·Filed 2008·Granted Nov 13, 2012·63 cites·18 claims
- 0986US8097025B2Pedicle screw system configured to receive a straight or curved rodHAWKES DAVID T·Filed 2008·Granted Jan 17, 2012·53 cites·16 claims
- 1086US7828829B2Low top bone fixation system and method for using the samePIONEER SURGICAL TECH INC·Filed 2007·Granted Nov 9, 2010·40 cites·28 claims
- 1184US11071569B2Nesting tether clamping assemblies and related methods and apparatusORTHO DEV CORPORATION·Filed 2019·Granted Jul 27, 2021·4 cites·20 claims
- 1283US8100948B2Low profile pedicle screw assemblyENSIGN MICHAEL D·Filed 2008·Granted Jan 24, 2012·35 cites·25 claims
- 1379US8152838B2Orthopedic plate system and method for using the sameENSIGN MICHAEL D·Filed 2006·Granted Apr 10, 2012·23 cites·24 claims
- 1478US10368915B2Press-on pedicle screw assemblyNEXUS SPINE L L C·Filed 2018·Granted Aug 6, 2019·2 cites·18 claims
- 1577US7938044B2Locking screw driver handleALPHATEC SPINE INC·Filed 2008·Granted May 10, 2011·8 cites·18 claims
- 1676US8100947B2Low profile pedicle screw and rod assemblyENSIGN MICHAEL D·Filed 2006·Granted Jan 24, 2012·18 cites·8 claims
- 1773US8016891B2Tibial augment connectorORTHO DEV CORP·Filed 2005·Granted Sep 13, 2011·10 cites·79 claims
- 1873US7727281B2Modular femoral knee stem extenderORTHO DEV CORP·Filed 2005·Granted Jun 1, 2010·9 cites·21 claims
- 1964US11857221B2Nesting tether clamping assemblies and related methods and apparatusORTHO DEV CORPORATION·Filed 2021·Granted Jan 2, 2024·0 cites·20 claims
- 2063US12364511B2Press-on pedicle screw assemblyNEXUS SPINE L L C·Filed 2019·Granted Jul 22, 2025·0 cites·20 claims
- 2163US9867640B2Press-on pedicle screw assemblyENSIGN MICHAEL D·Filed 2007·Granted Jan 16, 2018·2 cites·27 claims
- 2260US8156847B2Undercut screw feature and driverHAWKES DAVID T·Filed 2009·Granted Apr 17, 2012·2 cites·9 claims
- 2355US11819255B2Tether tensioning instrumentation and related methodsORTHO DEV CORPORATION·Filed 2019·Granted Nov 21, 2023·0 cites·13 claims
- 2454US7628793B2Knee balancing blockORTHO DEV CORP·Filed 2003·Granted Dec 8, 2009·16 cites·40 claims
- 2553US2013139658A1Locking screw driver handleALPHATEC SPINE INC·Filed 2013·Application pending·0 cites
- 2653US2009018591A1Polyaxial Pedicle Screw AssemblyHAWKES DAVID T·Filed 2008·Application pending·0 cites
- 2750US8911483B2Compliant cervical screw locking mechanismENSIGN MICHAEL D·Filed 2007·Granted Dec 16, 2014·0 cites·12 claims
- 2850US2011203422A1Locking Screw Driver HandleENSIGN MICHAEL D·Filed 2011·Application pending·0 cites
- 2950US2012216658A1Undercut screw feature and driverHAWKES DAVID T·Filed 2012·Application pending·0 cites
- 3050US2009275802A1Distally Expandable Dilation TubeHAWKES DAVID T·Filed 2009·Application pending·0 cites
- 3148US11051857B2Tether clamping assemblies and related methods and apparatusORTHO DEV CORPORATION·Filed 2017·Granted Jul 6, 2021·0 cites·24 claims
- 3248US2008071274A1Percutaneous Screw Assembly and Placement MethodENSIGN MICHAEL D·Filed 2007·Application pending·0 cites
- 3348US2008234550A1Minimally Traumatic PortalHAWKES DAVID T·Filed 2008·Application pending·0 cites
- 3448US2008215097A1Active Compression Orthopedic Plate System and Method for Using the SameENSIGN MICHAEL D·Filed 2008·Application pending·0 cites
- 3547US2008071273A1Dynamic Pedicle Screw SystemHAWKES DAVID T·Filed 2007·Application pending·0 cites
- 3647US2008015417A1Selectively locking minimally traumatic access portHAWKES DAVID T·Filed 2007·Application pending·0 cites
- 3747US2007225718A1Rotolock cervical plate locking mechanismENSIGN MICHAEL D·Filed 2007·Application pending·0 cites
- 3846US2006195191A1Modular disc deviceALPHASPINE INC·Filed 2006·Application pending·0 cites
- 3946US2006129244A1Expandable intervertebral spacer method and apparatusALPHASPINE INC·Filed 2005·Application pending·0 cites
- 4046US2007135817A1Percutaneous screw assemblyENSIGN MICHAEL D·Filed 2006·Application pending·0 cites
- 4145US2006235279A1Less invasive access port system and method for using the sameHAWKES DAVID T·Filed 2006·Application pending·0 cites
- 4245US2006241600A1Percutaneous pedicle screw assemblyENSIGN MICHAEL D·Filed 2006·Application pending·0 cites
- 4345US2006161153A1Pedicle screw systems and methods of assembling/installing the sameALPHASPINE INC·Filed 2005·Application pending·0 cites
- 4445US2006206114A1Rod coupling assembliesALPHASPINE INC·Filed 2005·Application pending·0 cites
- 4545US2007093826A1Modular pedicle screw systems and methods of intra-operatively assembling the sameHAWKES DAVID T·Filed 2006·Application pending·0 cites
- 4644US2006161152A1Bone fixation systems and methods of assembling and/or installing the sameALPHASPINE INC·Filed 2005·Application pending·0 cites
- 4743US2014194936A1Undercut screw feature and driverHAWKES DAVID T·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →