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USPTO Patent Rankings Data through Dec 31, 2025
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Fred W. Chapman — 86 Patents

PHPhysio-Control: 61 patents #1 of 303Top 1%
Stryker: 6 patents #269 of 1,405Top 20%
WHWest Affum Holdings: 5 patents #26 of 56Top 50%
Medtronic: 3 patents #2,706 of 6,367Top 45%
JAJolife Ab: 3 patents #5 of 24Top 25%
TFThe Uab Research Foundation: 3 patents #127 of 813Top 20%
DMDennison Manufacturing: 2 patents #35 of 152Top 25%
PMPhysio-Control Manufacturing: 1 patents #12 of 38Top 35%
WDWest Affum Holdings Dac: 1 patents #45 of 62Top 75%
Newcastle, WA: #4 of 254 inventorsTop 2%
Washington: #383 of 76,902 inventorsTop 1%
Overall (All Time): #19,585 of 4,157,543Top 1%
86 Patents All Time
Fred W. Chapman has been granted 86 US patents while listed as an inventor at Physio-Control. The first was granted in 1988 and the most recent in December 2025. Fred W. Chapman ranks #19,585 of 4,157,543 US inventors in our database (top 0.47%). Patent records list Fred W. Chapman in Newcastle, WA, US.

Issued Patents All Time

Showing 1–25 of 86 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12485065 Mechanical CPR device with active backboard Tyson G. Taylor, Sara Lindroth, Alexey Titov, Anders Nilsson, Steven Chester +9 more 2025-12-02
12446818 Techniques for identifying and analyzing events-of-interest indicated by physiological parameters Robert G. Walker 2025-10-21
12414721 System and method for electrocardiogram analysis and optimization of cardiopulmonary resuscitation and therapy delivery Joseph L. Sullivan, Ronald E. Stickney, Robert G. Walker, Daniel W. Piraino, Isabelle Banville 2025-09-16
12369796 Methods and systems for patient parameter fusion and feedback Clinton T. Siedenburg, Tyson G. Taylor, Robert G. Walker 2025-07-29
12362064 Systems enabling doctors to access medical device data Carrie Smith, Kirill Ubozhenko 2025-07-15
12350506 Up-to-date defibrillation recommendations based on continuous ECG analysis during cardiopulmonary resuscitation Steven B. Duke, Robert P. Marx, Daniel W. Piraino, Tyson G. Taylor 2025-07-08
12350505 Defibrillators with enhanced functionality during cardiopulmonary resuscitation periods Ryan W. Apperson, Dale R. Beuning, Steven B. Duke, Thangeswaran Natarajan, Daniel W. Piraino +3 more 2025-07-08
12329714 Mechanical cardio pulmonary resuscitation device having a contact member Anders Jeppsson 2025-06-17
12257206 CPR chest compression machine adjusting motion-time profile in view of detected force Anders Nilsson, Jonas Lagerstrom, Bo Mellberg, Anders Jeppsson, Marcus Ehrstedt +10 more 2025-03-25
12245983 Cardio-pulmonary resuscitation device for compressing and decompressing the chest of a patient Gregory T. Kavounas 2025-03-11
12239600 CPR chest compression system periodically reminding attendant to check patient Erik von Schenck, Anders Nilsson, Sara Lindroth, Robert G. Walker, Krystyna Szul +1 more 2025-03-04
12214213 Medical device with modifiable view of an electrocardiogram Blaine Krusor, Tyson G. Taylor 2025-02-04
12102301 Laryngoscope with handle-grip activated recording Robert G. Walker 2024-10-01
12070613 Determining post-shock treatment based on heart viability Joseph L. Sullivan 2024-08-27
12004870 Physiological feedback systems and methods Robert G. Walker 2024-06-11
11998340 System and method for electrocardiogram analysis and optimization of cardiopulmonary resuscitation and therapy delivery Joseph L. Sullivan, Ronald E. Stickney, Robert G. Walker, Daniel W. Piraino, Isabelle Banville 2024-06-04
11844607 Capnograph system further detecting spontaneous patient breaths — 2023-12-19
11832914 Methods and systems for patient parameter fusion and feedback Clinton T. Siedenburg, Tyson G. Taylor, Robert G. Walker 2023-12-05
11806544 Medical device with modifiable view of an electrocardiogram Blaine Krusor, Tyson G. Taylor 2023-11-07 $50,766,000
11723834 CPR chest compression machine adjusting motion-time profile in view of detected force Anders Nilsson, Jonas Lagerstrom, Bo Mellberg, Anders Jeppsson, Marcus Ehrstedt +10 more 2023-08-15
11666773 Wearable cardioverter defibrillator (WCD) system using sensor modules with reassurance code for confirmation before shock Gregory T. Kavounas 2023-06-06
11660249 CPR chest compression machine stopping to detect patient recovery Isabelle Banville, Joseph L. Sullivan, Steven B. Duke 2023-05-30
11642541 System for multiple defibrillation therapies Gary Debardi, Tyson G. Taylor, Ronald E. Stickney 2023-05-09
11406839 Systems and methods for double sequential defibrillation Robert G. Walker, Mitchell A. Smith, Blaine Krusor, William E. Crone, David J. Linville +2 more 2022-08-09
11389660 Defibrillator that monitors CPR treatment and adjusts protocol Robert G. Walker, Ronald E. Stickney 2022-07-19

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