Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Spellman High Voltage Electronics — 11 Patents

Rank (All Time): #50,023 of 105,732Top 50%
6 inventors
11 Patents All Time

Patents per Year

Patents granted per year, 1981 to 2006Bar chart with a peak of 2 patents in 1982.peak 21981: 1 patents19811982: 2 patents19821984: 1 patents19841987: 1 patents19871989: 1 patents19891997: 1 patents19972002: 1 patents20022005: 2 patents20052006: 1 patents2006

Top Inventors at Spellman High Voltage Electronics All Time

Showing 1–6 of 6 inventors

RankNamePatents
1 S. Merrill Skeist 8
2 Richard H. Baker 4
3 Derek Chambers 3
3 Leo Gross 3
#5 Andrzej Bortkiewicz 1
#5 Cliff Scapellati 1