Inventor
Steven Ludwig
Inventor
Baltimore, MD, US
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis83%
A61FFilters implantable into blood vessels13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
10,765,525Interbody cage with spill-free biological material compartment202010,441,430Expandable spinal implants201910,363,142Expandable spinal implants20199,629,663'Rod attachment for head to head cross connector'20179,486,247'Rod attachment for head to head cross connector'20169,387,014'Systems and methods for decompressing a spinal canal'20169,375,238'Rotatable bone plate'20169,179,926'Minimally invasive spinal fixation guide systems and methods'20158,920,469'Rod attachment for head to head cross connector'20148,920,470'Rod attachment for head to head cross connector'20148,900,237'Minimally invasive guide system'20148,894,690'Offset connection bone anchor assembly'20148,834,528'Spinal fixation device and technique for expansion of the spinal canal'20148,591,550'Rod attachement for head to head connector'20138,556,937'Rod attachment for head to head cross connector'20138,192,471'Rod attachment for head to head cross connector'20128,075,591'Minimally invasive spinal fixation guide systems and methods'20118,062,341'Rotatable bone plate'20118,025,682'Method and system for securing a rod to a bone anchor with a connector'20117,967,845'Head-to-head connector spinal fixation system'20117,717,939'Rod attachment for head to head cross connector'20107,645,294'Head-to-head connector spinal fixation system'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2013Patents assigned to DEPUY SPINE INC (7)· patent assignee history
2010–2020Based in Baltimore, MD, US· patent location history
2010Based in Severna Park, MD, US· patent location history
2011–2016Patents assigned to LUDWIG STEVEN (6)· patent assignee history
2011–2015Patents assigned to ANDERSON DAVID GREG (3)· patent assignee history
2013–2014Patents assigned to DEPUY SYNTHES PRODUCTS LLC (5)· patent assignee history
2015–2017Patents assigned to DEPUY SYNTHES PRODUCTS INC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEPUY SPINE INC | 7 | 2010–2013 |
| LUDWIG STEVENself | 6 | 2011–2016 |
| DEPUY SYNTHES PRODUCTS LLC | 5 | 2013–2014 |
| DEPUY SYNTHES PRODUCTS INC | 4 | 2015–2017 |
| ANDERSON DAVID GREG | 3 | 2011–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Baltimore, Maryland, US | 21 | 2010–2020 |
| Severna Park, Maryland, US | 1 | 2010 |