RK

Ryan C. Keefer

Depuy Synthes Products: 27 patents #38 of 1,658Top 3%
DU Depuy Ireland Unlimited: 13 patents #35 of 395Top 9%
DP Depuy Products: 1 patents #183 of 387Top 50%
📍 Warsaw, IN: #15 of 777 inventorsTop 2%
🗺 Indiana: #439 of 33,936 inventorsTop 2%
Overall (All Time): #75,066 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
D748786 Tibial trial component Darren R. Bailey, Todd A. Kilpela, William R. Macumber, Steven Gowers, Jonathan C. Lee +1 more 2016-02-02
D741487 Base trial component with stem adaptor Shawn Langford, Todd A. Kilpela, Jonathan C. Lee, Darren R. Bailey, William R. Macumber +1 more 2015-10-20
9132013 Dual modulus hip stem John M. Armacost, Jeffrey A. McAnelly 2015-09-15
9113915 Method of surgically preparing a patient's tibia Kyle B. Thomas, Todd A. Kilpela, Steven Gowers, William R. Macumber, Jonathan C. Lee +1 more 2015-08-25
9107757 Tibial trial instruments for setting offset Lisa M. Major, Todd A. Kilpela 2015-08-18
9095356 Tibial trial instruments and method of using same Kyle B. Thomas, Todd A. Kilpela, Lisa M. Major 2015-08-04
9028501 Tibial orthopaedic surgical instruments and method of using same Kyle B. Thomas, Todd A. Kilpela, Steven Gowers, William R. Macumber, Jonathan C. Lee +1 more 2015-05-12
8992538 Customized patient-specific acetabular orthopaedic surgical instrument and method of use and fabrication 2015-03-31
8968414 Self-centering, anti-seizing acetabular liner John M. Armacost, James A. Caywood 2015-03-03
8961521 Reciprocating rasps for use in an orthopaedic surgical procedure Sarah M. Anthony, Conrad Klotz, Kyle E. Lappin, Van A. Flamion, James A. Caywood +4 more 2015-02-24
8906108 Dual modulus hip stem and method of making the same John M. Armacost, Jeffrey A. McAnelly 2014-12-09
8771367 Self centering, anti-seizing acetabular liner John M. Armacost, James A. Caywood 2014-07-08
8535323 Constraining ring inserter Larry G. McCleary, Robert B. Brigham 2013-09-17
8506569 Reciprocating rasps for use in an orthopaedic surgical procedure Sarah M. Anthony, Conrad Klotz, Kyle E. Lappin, Van A. Flamion, James A. Caywood +4 more 2013-08-13
8506643 Acetabular prosthesis system Jeffrey A. Rybolt, Hengda D. Liu, Matthew D. Smith, Gerhard Drescher 2013-08-13
7985260 Acetabular prosthesis system Jeffrey A. Rybolt, Hengda D. Liu, Matthew D. Smith, Gerhard Drescher 2011-07-26