Inventor
Steven R. Jefferies
Inventor
Milford, DE, US
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes31%
A61CDentistry18%
A61LMethods or apparatus for sterilising materials or objects in general14%
A61FFilters implantable into blood vessels11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
C08LCompositions of macromolecular compounds3%
Y10TTechnical subjects covered by former us classification3%
A61QSpecific use of cosmetics or similar toiletry preparations2%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%
PatentTitleYear
9,925,125'Methods of treatment of the dental pulp and filling root canals using water-based material'20189,801,792'Methods of treatment of the dental pulp and filling root canals using water-based material'20178,658,712'Methods of treatment of the dental pulp and filling root canals using water-based material'20148,518,382'Tooth polishing compositions and methods of tooth polishing without mechanical abrasion'20138,047,841'Application dental materials to the oral cavity'20116,696,507'Dental composite restorative material and method of restoring a tooth'20046,575,752'Tooth surface treatment composition and methods'20036,547,566'Method for removal of dental cement'20036,353,040'Dental composite restorative material and method of restoring a tooth'20026,311,690'Bone repair material and delayed drug delivery system'20016,262,142'Translucent wear resistant dental enamel material and method'20016,180,606'Compositions with enhanced osteogenic potential, methods for making the same and uses thereof'20016,093,084'Device and method for dispensing polymerizable compositions'20006,004,390'Tooth surface treatment composition and methods'19995,948,426'Method and article to induce hematopoietic expansion'19995,904,718'Delayed drug delivery system'19995,707,962'Compositions with enhanced osteogenic potential, method for making the same and therapeutic uses thereof'19985,645,429'Method for adhering to tooth structure'19975,478,235'Dental impression tray'19955,369,916'Polishing element'19945,367,002'Dental composition and method'19945,078,754'Finishing/polishing system'19924,961,706'Method for obtaining a band technique dental impression'19904,875,858'Method and composition for detecting dentin'19894,867,682'Dental impression tray'19894,846,165'Wound dressing membrane'19894,814,423'Dual bonding adhesive composition'19894,772,284'Breast prosthesis with improved biocompatibility and method of making the same'19884,472,840'Method of inducing osseous formation by implanting bone graft material'19844,409,332'Collagen-enzyme conjugates that exhibit no inflammatory response and method for making the same'19834,394,370'Bone graft material for osseous defects and method of making same'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–2014Patents assigned to JEFFERIES STEVEN R (5)· patent assignee history
1983–1988Based in Baltimore, MD, US· patent location history
1989–2004Patents assigned to DENTSPLY RES & DEV (14)· patent assignee history
1989–2001Based in Milford, DE, US· patent location history
1999–2003Patents assigned to DENTSPLY DETREY GMBH (2)· patent assignee history
1999–2011Based in York, PA, US· patent location history
2001Patents assigned to GENSCI ORTHOBIOLOGICS INC (2)· patent assignee history
2011–2018Patents assigned to DENTSPLY INT INC (4)· patent assignee history
2013–2018Based in Media, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DENTSPLY RES & DEV | 14 | 1989–2004 |
| JEFFERIES STEVEN Rself | 5 | 1983–2014 |
| DENTSPLY INT INC | 4 | 2011–2018 |
| DENTSPLY DETREY GMBH | 2 | 1999–2003 |
| GENSCI ORTHOBIOLOGICS INC | 2 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Milford, Delaware, US | 14 | 1989–2001 |
| York, Pennsylvania, US | 9 | 1999–2011 |
| Media, Pennsylvania, US | 4 | 2013–2018 |
| Baltimore, Maryland, US | 4 | 1983–1988 |