Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
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Robert G. Walker — 4 Patents in 2025

PHPhysio-Control: 4 patents #2 of 59Top 4%
JAJolife Ab: 1 patents #1 of 7Top 15%
Stryker: 1 patents #161 of 449Top 40%
Seattle, WA: #128 of 3,321 inventorsTop 4%
Washington: #395 of 9,973 inventorsTop 4%
Overall (2025): #30,396 of 469,880Top 7%
4 Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12419804 Systems and methods of managing and evaluating emergency medical procedures 2025-09-23
12414721 System and method for electrocardiogram analysis and optimization of cardiopulmonary resuscitation and therapy delivery Joseph L. Sullivan, Ronald E. Stickney, Daniel W. Piraino, Isabelle Banville, Fred W. Chapman 2025-09-16
12369796 Methods and systems for patient parameter fusion and feedback Clinton T. Siedenburg, Tyson G. Taylor, Fred W. Chapman 2025-07-29
12239600 CPR chest compression system periodically reminding attendant to check patient Erik von Schenck, Anders Nilsson, Sara Lindroth, Fred W. Chapman, Krystyna Szul +1 more 2025-03-04