Inventor · disambiguated record
Erik Emstad
Also filed as: EMSTAD ERIK · EMSTAD ERIK E · EMSTAD ERIK EARL
10 granted patents·9 pending applications·667 citations·filing 1998–2025
92Inventor score
Files withWENZEL SPINE INC7ELEVATION SPINE INC3SULZER SPINE TECH INC2ZIMMER SPINE INC2BRUFFEY JAMES1
Top patents by PatentIndex Score
19 records- 0197US9314348B2Bilaterally expanding intervertebral body fusion deviceWENZEL SPINE INC·Filed 2015·Granted Apr 19, 2016·75 cites·25 claims
- 0295US6036290ASeismic subframe for electrical enclosureHOFFMAN ENCLOSURES INC·Filed 1998·Granted Mar 14, 2000·207 cites·23 claims
- 0390US9707095B2Bilaterally expanding intervertebral body fusion deviceWENZEL SPINE INC·Filed 2016·Granted Jul 18, 2017·12 cites·19 claims
- 0489US8864829B1Spinal cage having deployable memberBRUFFEY JAMES·Filed 2012·Granted Oct 21, 2014·33 cites·8 claims
- 0587US10098756B2Bilaterally expanding intervertebral body fusion deviceWENZEL SPINE INC·Filed 2017·Granted Oct 16, 2018·7 cites·20 claims
- 0686US10945857B2Bilaterally expanding intervertebral body fusion deviceWENZEL SPINE INC·Filed 2018·Granted Mar 16, 2021·5 cites·20 claims
- 0782US11219531B2Rotatable intervertebral spacing implantWENZEL SPINE INC·Filed 2019·Granted Jan 11, 2022·5 cites·16 claims
- 0881US6524318B1Spinal surgery instruments and methodsSULZER SPINE TECH INC·Filed 2000·Granted Feb 25, 2003·124 cites·16 claims
- 0979US7108698B2Combined distractor and retractor instrument and methodsZIMMER SPINE INC·Filed 2004·Granted Sep 19, 2006·109 cites·11 claims
- 1075US7641659B2Spinal access instrumentZIMMER SPINE INC·Filed 2003·Granted Jan 5, 2010·90 cites·16 claims
- 1169US2021196468A1Methods and devices for bilaterally expanding intervertebral body fusion devicesWENZEL SPINE INC·Filed 2021·Application pending·0 cites
- 1262US2025120824A1Implant inserter assemblyELEVATION SPINE INC·Filed 2024·Application pending·0 cites
- 1356US2025107902A1Expandable intervertebral implantELEVATION SPINE INC·Filed 2024·Application pending·0 cites
- 1447US2008077156A1Surgical distractor and delivery instrumentEMSTAD ERIK·Filed 2007·Application pending·0 cites
- 1547US2025268722A1Expandable intervertebral implantELEVATION SPINE INC·Filed 2025·Application pending·0 cites
- 1646US2007093824A1Pedicle fixation rod alignment systemHESTAD HUGH D·Filed 2006·Application pending·0 cites
- 1745US2007260260A1Sizing instrument for a bodily joint such as an intervertebral disc spaceHAHN MICHAEL R·Filed 2007·Application pending·0 cites
- 1844US2019046165A1Method and Device for Concentration of Cellular SuspensionsWENZEL SPINE INC·Filed 2018·Application pending·0 cites
- 1941US2003216744A1Spinal surgery instruments and methodsSULZER SPINE TECH INC·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →