Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JM

J. Patrick McMahon — 3 Patents

BABarker: 3 patents #1 of 6Top 20%
Fairfield, IA: #25 of 108 inventorsTop 25%
Iowa: #4,706 of 15,303 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
J. Patrick McMahon has been granted 3 US patents while listed as an inventor at Barker. The first was granted in 1985 and the most recent in January 2004. J. Patrick McMahon ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list J. Patrick McMahon in Fairfield, IA, US.

Patents per Year

Patents granted per year, 1985 to 2004Bar chart with a peak of 1 patents in 1985.peak 11985: 1 patents19851987: 1 patents19872004: 1 patents2004

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6683282 Food merchandiser and temperature control system Timothy L. McMahon, William Carter, Robert Nai Hon Mak 2004-01-27
D289834 Refrigerated display stand John McMahon 1987-05-19
D280476 Refrigerated display case John McMahon 1985-09-10