Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Michael Lanktree — 16 Patents

RTX (Raytheon): 16 patents #614 of 15,912Top 4%
Kirk Street, CA: #5 of 62 inventorsTop 9%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Michael Lanktree has been granted 16 US patents while listed as an inventor at RTX (Raytheon). The first was granted in 2014 and the most recent in March 2022. Michael Lanktree ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Michael Lanktree in Kirk Street, QC, CA.

Patents per Year

Patents granted per year, 2014 to 2022Bar chart with a peak of 6 patents in 2020.peak 62014: 1 patents20142017: 2 patents20172018: 3 patents20182019: 1 patents20192020: 6 patents20202021: 2 patents20212022: 1 patents2022

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
11261781 Rotary internal combustion engine with unequal volumetric ratios Serge Dussault, Andre Julien, Edwin Schulz 2022-03-01
11187143 Engine assembly with intercooler Andre Julien, Edwin Schulz, Serge Dussault 2021-11-30
10920656 Internal combustion engine cooling system Andre Julien, Serge Dussault 2021-02-16
10823097 Method and system for non-functional combustion chamber detection David Gagnon-Martin, Bruno Villeneuve 2020-11-03
10801394 Rotary engine with pilot subchambers Serge Dussault, Andre Julien, Edwin Schulz 2020-10-13
10557407 Rotary internal combustion engine with pilot subchamber Serge Dussault, Andre Julien, Edwin Schulz, Jean Thomassin, Nigel Davenport +1 more 2020-02-11
10539065 Engine assembly with intercooler Andre Julien, Edwin Schulz, Serge Dussault 2020-01-21
10533486 Method of operating an engine having a pilot subchamber at partial load conditions Edwin Schulz 2020-01-14
10526961 Rotary internal combustion engine with unequal volumetric ratios Serge Dussault, Andre Julien, Edwin Schulz 2020-01-07
10514017 Internal combustion engine with igniter cooling sleeve Edwin Schulz 2019-12-24
10138804 Rotary internal combustion engine Jean Thomassin, Andre Julien, Edwin Schulz 2018-11-27
10072559 Method of operating an engine having a pilot subchamber at partial load conditions Edwin Schulz 2018-09-11
10041402 Internal combustion engine with split pilot injection Edwin Schulz, Jean Thomassin 2018-08-07
9828906 Rotary internal combustion engine with variable volumetric compression ratio Jean Thomassin, Andre Julien, Edwin Schulz 2017-11-28
9540992 Rotary internal combustion engine with variable volumetric compression ratio Jean Thomassin, Andre Julien, Edwin Schulz 2017-01-10
8656888 Rotary internal combustion engine with variable volumetric compression ratio Jean Thomassin, Andre Julien, Edwin Schulz 2014-02-25