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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PS

Piezo Sona-Tool — 8 Patents

Rank (All Time): #68,589 of 105,732Top 65%
3 inventors
8 Patents All Time

Patents per Year

Patents granted per year, 1987 to 2002Bar chart with a peak of 2 patents in 1987.peak 21987: 2 patents19871988: 2 patents19881992: 1 patents19922001: 1 patents20012002: 2 patents2002

Top Inventors at Piezo Sona-Tool All Time

Showing 1–3 of 3 inventors

RankNamePatents
1 Harry W. Kompanek 5
2 Eric D. Plambeck 3
3 James R. Ligman 1