Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Bernhardt — 4 Patents

ATAxcelis Technologies: 4 patents #61 of 300Top 25%
Hudson, MA: #103 of 327 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
David Bernhardt has been granted 4 US patents while listed as an inventor at Axcelis Technologies. The first was granted in 2008 and the most recent in December 2017. David Bernhardt ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Bernhardt in Hudson, MA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9842752 Optical heat source with restricted wavelengths for process heating W. Davis Lee, William F. DiVergilio, Marvin Farley 2017-12-12 $8,813,000
7924159 Remote wafer presence detection with passive RFID Kan Ota, Michael Chen 2011-04-12 $3,847,000
7402821 Application of digital frequency and phase synthesis for control of electrode voltage phase in a high-energy ion implantation machine, and a means for accurate calibration of electrode voltage phase 2008-07-22 $6,083,000
7321299 Workpiece handling alignment system Kevin Verrier, Jerry Negrotti, Donald N. Polner 2008-01-22 $4,152,000