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

Servo Products — 6 Patents

Rank (All Time): #88,054 of 105,732Top 85%
6 inventors
6 Patents All Time

Patents per Year

Patents granted per year, 1980 to 1991Bar chart with a peak of 3 patents in 1990.peak 31980: 2 patents19801990: 3 patents19901991: 1 patents1991

Top Inventors at Servo Products All Time

Showing 1–6 of 6 inventors

RankNamePatents
1 Edward T. Liljenwall 3
1 S. Stanley Mintz 3
1 Tsu-Hsun Ku 3
#4 Glenn R. Whiteley 2
#4 Michael F. Bent 2
#6 Bogdan A. Ghibu 1