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USPTO Patent Rankings Data through Dec 31, 2025
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John Palker — 2 Patents

EMEmc: 2 patents #1,324 of 3,345Top 40%
Grafton, MA: #123 of 223 inventorsTop 60%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John Palker has been granted 2 US patents while listed as an inventor at Emc. The first was granted in 2007 and the most recent in April 2008. John Palker ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Palker in Grafton, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7350884 Tray with integrated rail guides for facilitating installation of equipment units into a cabinet rack Melissa Silvestro, Joseph P. DeYesso, Albert F. Beinor, Jr. 2008-04-01 $70,527,000
7258569 Connector-alignment collar for blind mating electrical connectors Keith C. Johnson, Robert P. Wierzbicki 2007-08-21 $53,871,000