Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Dennis C. Nagle — 47 Patents

Lockheed Martin: 29 patents #16 of 6,507Top 1%
CSCadence Design Systems: 9 patents #141 of 2,263Top 7%
MSMartin Marietta Magnesia Specialties: 1 patents #10 of 23Top 45%
SESiemens Energy: 1 patents #497 of 1,016Top 50%
The Johns Hopkins University: 1 patents #1,892 of 4,416Top 45%
Arnold, MD: #2 of 183 inventorsTop 2%
Maryland: #275 of 35,612 inventorsTop 1%
Overall (All Time): #59,412 of 4,157,543Top 2%
47 Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
4917964 Porous metal-second phase composites William C. Moshier, John M. Brupbacher, Leontios Christodoulou 1990-04-17
4916029 Composites having an intermetallic containing matrix John M. Brupbacher, Leontios Christodoulou 1990-04-10
4916030 Metal-second phase composites Leontios Christodoulou, John M. Brupbacher 1990-04-10
4915908 Metal-second phase composites by direct addition John M. Brupbacher, Leontios Christodoulou 1990-04-10
4915905 Process for rapid solidification of intermetallic-second phase composites Stephen L. Kampe, John M. Brupbacher, Leontios Christodoulou 1990-04-10
4915903 Process for forming composites having an intermetallic containing matrix John M. Brupbacher, Leontios Christodoulou 1990-04-10
4915902 Complex ceramic whisker formation in metal-ceramic composites John M. Brupbacher, Leontios Christodoulou 1990-04-10
4836982 Rapid solidification of metal-second phase composites John M. Brupbacher, Leontios Christodoulou 1989-06-06
4800065 Process for making ceramic-ceramic composites and products thereof Leontios Christodoulou, John M. Brupbacher 1989-01-24
4774052 Composites having an intermetallic containing matrix John M. Brupbacher, Leontios Christodoulou 1988-09-27
4772452 Process for forming metal-second phase composites utilizing compound starting materials John M. Brupbacher, Leontios Christodoulou 1988-09-20
4751048 Process for forming metal-second phase composites and product thereof Leontios Christodoulou, John M. Brupbacher 1988-06-14
4738389 Welding using metal-ceramic composites William C. Moshier, John M. Brupbacher, Leontios Christodoulou 1988-04-19
4710348 Process for forming metal-ceramic composites John M. Brupbacher, Leontios Christodoulou 1987-12-01
4624766 Aluminum wettable cathode material for use in aluminum reduction cell Larry G. Boxall, William M. Buchta, Arthur V. Cooke, Douglas W. Townsend 1986-11-25
4544469 Aluminum cell having aluminum wettable cathode surface Larry G. Boxall, William M. Buchta, Arthur V. Cooke, Douglas W. Townsend 1985-10-01
4526911 Aluminum cell cathode coating composition Larry G. Boxall, William M. Buchta, Arthur V. Cooke, Douglas W. Townsend 1985-07-02
4481052 Method of making refractory hard metal containing tiles for aluminum cell cathodes William M. Buchta 1984-11-06
4466996 Aluminum cell cathode coating method Larry G. Boxall, William M. Buchta, Arthur V. Cooke, Douglas W. Townsend 1984-08-21
4428847 Anode stud coatings for electrolytic cells Larry G. Boxall 1984-01-31
4383045 Magnesia refractories bonded with sulfamic acid Myron T. McCall, In Heon Kim 1983-05-10
4354918 Anode stud coatings for electrolytic cells Larry G. Boxall 1982-10-19