Mark A. Lehrer has been granted 4 US patents while listed as an inventor at IBM . The first was granted in 2003 and the most recent in February 2025. Mark A. Lehrer ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Mark A. Lehrer in Poughkeepsie, NY, US.
Patents per Year Patents granted per year, 2003 to 2025 Bar chart with a peak of 1 patents in 2003. peak 1 2003: 1 patents 2003 2012: 1 patents 2012 2021: 1 patents 2021 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–4 of 4 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12235775 Using a transient cache list and prolonged cache list to manage tracks in cache based on a demotion hint with a track access request Beth A. Peterson , Lokesh M. Gupta , Kyler A. Anderson , Christopher D. Filachek 2025-02-25
11132306 Stale message removal in a multi-path lock facility Beth A. Peterson , Christopher D. Filachek 2021-09-28
$6,479,000
8301609 Collision detection and data corruption protection during an on-line database reorganization Robert O. Dryfoos , Christopher D. Filachek , Steven Edwin Roach , Michael J. Shershin 2012-10-30
6658513 Managing locks affected by planned or unplanned reconfiguration of locking facilities Mark A. Boonie , George Edward Graffius, III , Peter Lemieszewski , Susan A. Pavlakis , Steven Edwin Roach +3 more 2003-12-02
$4,756,000
