Inventor
Thomas Purcell
Inventor
Del Mar, CA, US
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis62%
A61FFilters implantable into blood vessels21%
A61LMethods or apparatus for sterilising materials or objects in general5%
H04BTransmission5%
H04WWireless communication networks5%
B64CAeroplanes2%
PatentTitleYear
11,039,861Pivotal bone anchor assembly with snap-in-place bushing above a shank head hemisphere202110,980,644Expandable cage202110,952,868Intervertebral device and methods of use202110,932,822Multi-axial occipital plate202110,751,093Pivotal bone anchor assembly with snap-in-place bushing having resilient alignment tabs and shank head engaging slots202010,653,536Minimally invasive intervertebral systems and methods202010,617,448Variable angle spinal screw assembly with press fitment bushing202010,595,906Spinal screw assembly with pressure bushing for pre-lock friction fit202010,595,905Spinal screw assembly with snap-in-place bushing above a shank head hemisphere202010,588,667Top and bottom loadable bone screw assembly with direct pivotal engagement between shank head and receiver202010,537,366Pivotal bone anchor assembly with snap-in-place bushing for pre-lock friction fit202010,537,365Pivotal bone anchor assembly with biased bushing for pre-lock friction fit202010,524,840Variable angle bone anchor assembly having biased bushing press fitment202010,441,433Stand-alone interbody fixation system201910,349,983Pivotal bone anchor assembly with biased bushing for pre-lock friction fit201910,045,858Intervertebral device and methods of use20189,968,347Retractor20189,883,955'Minimally invasive intervertebral systems and methods'20189,757,162'Adjustable occipital plate'20179,737,344'Spinous process device and method of use'20179,408,710'Intervertebral device and methods of use'20169,358,131'Intervertebral device and methods of use'20169,308,028'Polyaxial bone screw with lateral connector'20168,900,276'Adjustable occipital plate'20148,882,661'Retractor'20148,834,540'Polyaxial bone screw with lateral connector'20148,657,832'Method and device for implant deployment'20148,636,773'Spinous process device and method of use'20148,636,775'Variable angle spinal screw assembly'20148,425,602'Curvilinear spinal access method and device'20138,328,870'Stand-alone interbody fixation system'20128,298,265'Variable angle spinal screw assembly'20128,206,420'Spinous process device and method of use'20128,152,714'Curviliner spinal access method and device'20128,092,498'Occipital fixation screw'20128,075,594'Multi-axial transverse rod connector'20117,806,912'Transverse rod connector'20107,485,145'Artificial intervertebral disc assembly'20097,481,813'Securing device and corresponding methods thereof for bone fixation systems'20097,377,923'Variable angle spinal screw assembly'20086,978,970'Aircraft with foldable tail assembly'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005Based in Chapel Hill, NC, US· patent location history
2008–2021Patents assigned to ALPHATEC SPINE INC (30)· patent assignee history
2008–2021Based in Solana Beach, CA, US· patent location history
2009–2021Based in Del Mar, CA, US· patent location history
2011–2018Patents assigned to PURCELL THOMAS (17)· patent assignee history
2012–2014Patents assigned to PATEL NIRALI (3)· patent assignee history
2016–2018Patents assigned to LORIO MORGAN PACKARD (3)· patent assignee history
2016–2021Based in Carlsbad, CA, US· patent location history
2021Patents assigned to Astura Medical Inc (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALPHATEC SPINE INC | 30 | 2008–2021 |
| PURCELL THOMASself | 17 | 2011–2018 |
| LORIO MORGAN PACKARD | 3 | 2016–2018 |
| PATEL NIRALI | 3 | 2012–2014 |
| Astura Medical Inc | 2 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Del Mar, California, US | 23 | 2009–2021 |
| Solana Beach, California, US | 13 | 2008–2021 |
| Carlsbad, California, US | 4 | 2016–2021 |
| Chapel Hill, NC, US | 1 | 2005 |