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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Joseph A. Walker — 5 Patents

FIFike: 5 patents #11 of 83Top 15%
Kansas City, MO: #265 of 1,876 inventorsTop 15%
Missouri: #4,311 of 23,789 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Joseph A. Walker has been granted 5 US patents while listed as an inventor at Fike. The first was granted in 2012 and the most recent in November 2017. Joseph A. Walker ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Joseph A. Walker in Kansas City, MO, US.

Patents per Year

Patents granted per year, 2012 to 2017Bar chart with a peak of 2 patents in 2013.peak 22012: 1 patents20122013: 2 patents20132017: 2 patents2017

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9821412 Reverse-acting rupture disc with buckling-control feature Michael D. Krebill, Bon F. Shaw 2017-11-21
9551429 Rupture disc having laser-defined reversal initiation and deformation control features Tom Farrell 2017-01-24
8393347 Pressure relief device having support member with recessed areas Bradford T. Stilwell, Bon F. Shaw, E. Dean Miller 2013-03-12
8354934 Burst indicator Bon F. Shaw 2013-01-15
8181663 Pressure relief device having support member with recessed areas Bradford T. Stilwell, Bon F. Shaw, E. Dean Miller 2012-05-22