Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chadwick M. Dunn — 13 Patents

Abbott: 13 patents #475 of 5,509Top 9%
Vernon Hills, IL: #82 of 549 inventorsTop 15%
Illinois: #6,713 of 84,256 inventorsTop 8%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Chadwick M. Dunn has been granted 13 US patents while listed as an inventor at Abbott. The first was granted in 1993 and the most recent in September 2021. Chadwick M. Dunn ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Chadwick M. Dunn in Vernon Hills, IL, US.

Patents per Year

Patents granted per year, 1993 to 2021Bar chart with a peak of 2 patents in 1994.peak 21993: 1 patents19931994: 2 patents19941998: 1 patents19981999: 1 patents19992003: 1 patents20032010: 2 patents20102012: 1 patents20122013: 2 patents20132014: 1 patents20142021: 1 patents2021

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11130983 Sample preparation cartridges and methods for using same Timothy P. Henning, Joseph P. Skinner, Jody L. Keck, Wesley W. Addison, II, Timothy J. Patno +5 more 2021-09-28
8728311 Structure and method for handling magnetic particles in biological assays Scott G. Safar, Charles M. Galitz, Stephen L. Herchenbach, Larry L. McDowell 2014-05-20 $21,000,000
8409528 Apparatus and method for handling fluids for analysis Scott G. Safar, Stephen L. Herchenbach, Charles M. Galitz, Julius J. Toth, Ronald E. Kukla +2 more 2013-04-02 $38,179,000
8357543 Apparatus and method for handling fluids for analysis Scott G. Safar, Stephen L. Herchenbach, Charles M. Galitz, Julius J. Toth, Ronald E. Kukla +2 more 2013-01-22 $19,091,000
8211301 Structure and method for handling magnetic particles in biological assays Scott G. Safar, Charles M. Galitz, Stephen L. Herchenbach, Larry L. McDowell 2012-07-03 $26,033,000
7815866 Apparatus and method for handling fluids for analysis Scott G. Safar, Stephen L. Herchenbach, Charles M. Galitz, Julius J. Toth, Ronald E. Kukla +2 more 2010-10-19 $48,242,000
7718072 Structure and method for handling magnetic particles in biological assays Scott G. Safar, Charles M. Galitz, Stephen L. Herchenbach, Larry L. McDowell 2010-05-18 $94,662,000
6562298 Structure for determination of item of interest in a sample David C. Arnquist, Grady Barnes, Richard D. Button, Richard C. East, Jr., Patrick P. Fritchie +13 more 2003-05-13 $122,696,000
5856194 Method for determination of item of interest in a sample David C. Arnquist, Grady Barnes, Richard D. Button, Richard C. East, Jr., Patrick P. Fritchie +13 more 1999-01-05 $355,450,000
5795784 Method of performing a process for determining an item of interest in a sample David C. Arnquist, Grady Barnes, Richard C. East, Jr., Patrick P. Fritchie, Gregory E. Gardner +9 more 1998-08-18 $100,917,000
5324481 Carousel for assay specimen carrier Cass J. Grandone, Stephen L. Herchenbach, Robert J. Nelson, James T. Tyranski, Gary Zuck 1994-06-28 $42,991,000
5320809 Retrofit kit for changing single immunoassay instrument to flexible multiple immunoassay instrument Cass J. Grandone, Stephen L. Herchenbach, Robert J. Nelson, James T. Tyranski, Gary Zuck 1994-06-14 $44,987,000
5246665 Heat and air flow control for assay carrier James T. Tyranski, Cass J. Grandone, Kris T. Ludington 1993-09-21 $56,741,000