Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Rob Walker — 3 Patents

PHPhysio-Control: 2 patents #163 of 303Top 55%
VLVolvo Motor Graders Limited: 1 patents #2 of 2Top 100%
Strathroy, CA: #11 of 43 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Rob Walker has been granted 3 US patents while listed as an inventor at Physio-Control. The first was granted in 2004 and the most recent in August 2014. Rob Walker ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Rob Walker in Strathroy, ON, CA.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8795208 Mechanical CPR device with variable resuscitation protocol 2014-08-05
8343081 Mechanical CPR device with variable resuscitation protocol 2013-01-01
6758286 Motorgrader circle drive 2004-07-06 $1,021,000