Inventor · York, PA, US

Steven R. Jefferies

31Patents
17h-index
27Co-inventors
81Inventor score

Filing activity: Sep 21, 1981 → Oct 22, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US4394370A Bone graft material for osseous defects and method of making same Emerging Cross-Sectional Technologies 486 Expired
US4472840A Method of inducing osseous formation by implanting bone graft material Human Necessities 290 Expired
US6180606A Compositions with enhanced osteogenic potential, methods for making the same and uses thereof Emerging Cross-Sectional Technologies 200 Expired
US5707962A Compositions with enhanced osteogenic potential, method for making the same and therapeutic uses thereof Emerging Cross-Sectional Technologies 187 Expired
US6311690A Bone repair material and delayed drug delivery system Emerging Cross-Sectional Technologies 110 Expired
US4846165A Wound dressing membrane Emerging Cross-Sectional Technologies 110 Expired
US5367002A Dental composition and method Human Necessities 107 Expired
US5904718A Delayed drug delivery system Human Necessities 91 Expired
US4409332A Collagen-enzyme conjugates that exhibit no inflammatory response and method for making the same Human Necessities 80 Expired
US5948426A Method and article to induce hematopoietic expansion Human Necessities 60 Expired
US4772284A Breast prosthesis with improved biocompatibility and method of making the same Emerging Cross-Sectional Technologies 50 Expired
US4867682A Dental impression tray Human Necessities 44 Expired
US8047841B2 Application dental materials to the oral cavity Human Necessities 37 Active
US5478235A Dental impression tray Human Necessities 33 Expired
US5369916A Polishing element Human Necessities 23 Expired
US6004390A Tooth surface treatment composition and methods Human Necessities 19 Expired
US5645429A Method for adhering to tooth structure Human Necessities 18 Expired
US6262142A Translucent wear resistant dental enamel material and method Human Necessities 17 Expired
US6696507B2 Dental composite restorative material and method of restoring a tooth Emerging Cross-Sectional Technologies 15 Expired
US4814423A Dual bonding adhesive composition Human Necessities 15 Expired
US6353040B1 Dental composite restorative material and method of restoring a tooth Emerging Cross-Sectional Technologies 14 Expired
US6093084A Device and method for dispensing polymerizable compositions Human Necessities 13 Expired
US4961706A Method for obtaining a band technique dental impression Human Necessities 13 Expired
US8518382B2 Tooth polishing compositions and methods of tooth polishing without mechanical abrasion Human Necessities 11 Active
US5078754A Finishing/polishing system Human Necessities 11 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.