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

John E. Charchenko — 6 Patents

PLPlattforms: 6 patents #1 of 4Top 25%
West Bountiful, UT: #6 of 25 inventorsTop 25%
Utah: #3,432 of 19,430 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John E. Charchenko has been granted 6 US patents while listed as an inventor at Plattforms. The first was granted in 2012 and the most recent in June 2014. John E. Charchenko ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John E. Charchenko in West Bountiful, UT, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8745930 Precast composite structural floor system David H. Platt, Daryl G. Hodgson, Russell J. Platt 2014-06-10
8499511 Precast composite structural floor system David H. Platt, Daryl G. Hodgson, Russell J. Platt 2013-08-06
8453406 Precast composite structural girder and floor system David H. Platt, Daryl G. Hodgson, Russell J. Platt 2013-06-04
8381485 Precast composite structural floor system David H. Platt, Daryl G. Hodgson, Russell J. Platt 2013-02-26
8297017 Precast composite structural floor system David H. Platt, Daryl G. Hodgson, Russell J. Platt 2012-10-30
8161691 Precast composite structural floor system David H. Platt, Daryl G. Hodgson, Russell J. Platt 2012-04-24