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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Edna S. Walker — 9 Patents

Abbott: 9 patents #804 of 5,509Top 15%
Chicago, IL: #1,396 of 13,327 inventorsTop 15%
Illinois: #10,163 of 84,256 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Edna S. Walker has been granted 9 US patents while listed as an inventor at Abbott. The first was granted in 1994 and the most recent in June 1998. Edna S. Walker ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Edna S. Walker in Chicago, IL, US.

Patents per Year

Patents granted per year, 1994 to 1998Bar chart with a peak of 3 patents in 1996.peak 31994: 2 patents19941995: 1 patents19951996: 3 patents19961997: 2 patents19971998: 1 patents1998

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5762878 Sample container segment assembly Frederick L. Clark, Kendall B. Hendrick, Richard R. Martin, Larry W. Moore, William J. Raymoure +26 more 1998-06-09 $271,147,000
5635364 Assay verification control for an automated analytical system Frederick L. Clark, Kendall B. Hendrick, Richard R. Martin, Larry W. Moore, William J. Raymoure +26 more 1997-06-03 $37,004,000
5610069 Apparatus and method for washing clinical apparatus Frederick L. Clark, Kendall B. Hendrick, Richard R. Martin, Larry W. Moore, William J. Raymoure +26 more 1997-03-11 $43,505,000
5578494 Cap actuator for opening and closing a container Frederic L. Clark, Kendall B. Hendrick, Richard R. Martin, Larry W. Moore, William J. Raymoure +26 more 1996-11-26 $36,147,000
5575978 Sample container segment assembly Frederick L. Clark, Kendall B. Hendrick, Richard R. Martin, Larry W. Moore, William J. Raymoure +26 more 1996-11-19 $44,740,000
5482861 Automated continuous and random access analytical system Frederic L. Clark, Gilbert Clift, Kendall B. Hendrick, William J. Kanewske, III, Peter A. Lagocki +8 more 1996-01-09 $176,020,000
5451528 Methods for providing homogeneous reagents William J. Raymoure, Frederic L. Clark, Gibert Clift, Kendall B. Hendrick, William J. Kanewske, III +9 more 1995-09-19 $42,703,000
5376313 Injection molding a plastic assay cuvette having low birefringence William J. Kanewske, III, James A. Vaught, Richard L. Vickstrom, Frederic L. Clark, Gilbert Clift +9 more 1994-12-27 $35,106,000
5358691 Automated continuous and random access analytical system Frederic L. Clark, Gilbert Clift, Kendall B. Hendrick, William J. Kanewske, III, Peter A. Lagocki +8 more 1994-10-25 $26,702,000