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

DRDynamics Research: 3 patents #5 of 27Top 20%
UMUniversity Of Massachusetts: 1 patents #755 of 1,810Top 45%
Wilmington, MA: #91 of 314 inventorsTop 30%
Massachusetts: #27,912 of 88,656 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Christopher Liessner has been granted 4 US patents while listed as an inventor at Dynamics Research. The first was granted in 1992 and the most recent in May 2014. Christopher Liessner ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Christopher Liessner in Wilmington, MA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8737698 Circumferential contact-less line scanning of biometric objects Samson Mil'shtein, John F. Palma, Michael J. Baier, Anup Pillai, Ameya Shendye 2014-05-27
5939879 Magnetic encoder for sensing position and direction via a time and space modulated magnetic field Sidney A. Wingate, John Sotir 1999-08-17 $711,000
5430537 Light beam distance encoder Sidney A. Wingate 1995-07-04
5079549 Digital resolver with a synchronous multiple count generation 1992-01-07 $483,000