Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Michael D. Barber — 12 Patents

CTCts: 2 patents #126 of 352Top 40%
QGQiagen Gmbh: 2 patents #89 of 335Top 30%
Loma Linda, CA: #3 of 98 inventorsTop 4%
California: #50,852 of 386,348 inventorsTop 15%
Overall (All Time): #400,162 of 4,157,543Top 10%
12 Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12416279 Apparatus and method for simultaneous hydrogen production and emission control 2025-09-16
10690020 Vertical sliding valve arm 2020-06-23
10465570 Vertical sliding valve arm 2019-11-05
10058873 Process for safe deconstruction and recycling of catalytic converters 2018-08-28
8940484 Forensic identification Rebecca A. L. Barber, Peter E. Johnson, Sharon M. Gillbard, Marc D. Haywood, Carolyn D. Smith +4 more 2015-01-27
8399191 Forensic identification Rebecca A. L. Barber, Peter E. Johnson, Sharon M. Gillbard, Marc D. Haywood, Carolyn D. Smith +4 more 2013-03-19
7645580 Forensic identification Rebecca A. L. Barber, Peter E. Johnson, Sharon M. Gillbard, Marc D. Haywood, Carolyn D. Smith +4 more 2010-01-12
7087380 Forensic identification Rebecca A. L. Griffiths, Peter E. Johnson, Sharon M. Gillbard, Marc D. Haywood, Carolyn D. Smith +4 more 2006-08-08
5046701 Molded ball/seal 1991-09-10
4649747 Coolant line hydrometer William G. Kipp 1987-03-17
4509716 Electromagnetically operated hydraulic valve device with snap-together valve housing Charles Frederick Lloyd 1985-04-09
4307295 Mass spectrometers Robert D. Sedgwick, Lester C. E. Taylor 1981-12-22