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

ELElscint: 2 patents #29 of 112Top 30%
GTGt-Devices: 1 patents #7 of 10Top 70%
Boxford, MA: #83 of 245 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 Fleischer has been granted 4 US patents while listed as an inventor at Elscint. The first was granted in 1984 and the most recent in June 1994. David Fleischer ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Fleischer in Boxford, MA, US.

Patents per Year

Patents granted per year, 1984 to 1994Bar chart with a peak of 1 patents in 1984.peak 11984: 1 patents19841986: 1 patents19861991: 1 patents19911994: 1 patents1994

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D347538 Curling iron and hairdryer holder 1994-06-07
5012719 Method of and apparatus for generating hydrogen and projectile accelerating apparatus and method incorporating same Yeshayahu S. A. Goldstein, Derek A. Tidman 1991-05-07
4570106 Plasma electron source for cold-cathode discharge device or the like A. Robert Sohval, Gerald Cooperstein, Shyke A. Goldstein, David R. Hearn 1986-02-11 $489,000
4458180 Plasma electron source for cold-cathode discharge device or the like A. Robert Sohval, Gerald Cooperstein, Shyke A. Goldstein, David R. Hearn 1984-07-03 $1,636,000