Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Christopher Ludlow — 4 Patents

MTMide Technology: 4 patents #6 of 30Top 20%
Melrose, MA: #151 of 446 inventorsTop 35%
Massachusetts: #27,912 of 88,656 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Christopher Ludlow has been granted 4 US patents while listed as an inventor at Mide Technology. The first was granted in 2013 and the most recent in May 2018. Christopher Ludlow ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Christopher Ludlow in Melrose, MA, US.

Patents per Year

Patents granted per year, 2013 to 2018Bar chart with a peak of 2 patents in 2017.peak 22013: 1 patents20132017: 2 patents20172018: 1 patents2018

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9970545 Stern tube seal system Andrew Cutler, Stephen Hanly, Steven A. Klepper, Mark Spadafora, Marthinus van Schoor 2018-05-15
9798902 Self-powered anti-tamper sensors Stephen Hanly, Michael Motola-Barnes, Jeffrey Richard Court, Mark Spadafora 2017-10-24
9762150 Self-powered sensor system Timothy R. Gipson 2017-09-12
8419020 Fluid activated shaft seal Marthinus van Schoor, Steven A. Klepper, Andrew Cutler 2013-04-16