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

Michael Darroch — 3 Patents

CCCrane & Co.: 3 patents #45 of 195Top 25%
CTCrane Security Technologies: 2 patents #2 of 11Top 20%
Dalton, MA: #13 of 53 inventorsTop 25%
Massachusetts: #33,867 of 88,656 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Michael Darroch has been granted 3 US patents while listed as an inventor at Crane & Co.. The first was granted in 2013 and the most recent in July 2019. Michael Darroch ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Michael Darroch in Dalton, MA, US.

Patents per Year

Patents granted per year, 2013 to 2019Bar chart with a peak of 1 patents in 2013.peak 12013: 1 patents20132017: 1 patents20172019: 1 patents2019

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10344431 Security sheet or document having one or more enhanced watermarks William Blake, Jeffrey Boody, Kraig M. Brigham, James Callahan, Paul F. Cote +3 more 2019-07-09 $17,461,000
9708773 Security sheet or document having one or more enhanced watermarks William Blake, Jeffrey Boody, Kraig M. Brigham, James Callahan, Paul F. Cote +3 more 2017-07-18 $23,952,000
8366879 Soil and/or moisture resistant secure document Timothy T. Crane, Tod L. Niedeck, Marco Maraschi, Karin Morck-Hamilton 2013-02-05 $12,532,000