DD

David M. Dudek

JC John Crane: 5 patents #6 of 77Top 8%
Pfizer: 2 patents #2,078 of 5,153Top 45%
Overall (All Time): #731,905 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9651157 Split seal assembly and method 2017-05-16
8651494 Split seal assembly and method 2014-02-18
5490682 Split mechanical face seal Jon J. Radosav, Orest T. Browar, Angelo G. Ralle 1996-02-13
5199720 Split mechanical face seal Jon J. Radosav, Thomas A. Evans, Russell G. Wieser, Brian J. Atwater, Robert J. Eisbrenner 1993-04-06
5114163 Split mechanical face seal Jon J. Radosav, Thomas A. Evans, Russell G. Wieser, Brian J. Atwater, Robert J. Eisbrenner 1992-05-19
4627961 Calcium-aluminum briquettes 1986-12-09
4450136 Calcium/aluminum alloys and process for their preparation Mark Lambert 1984-05-22