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USPTO Patent Rankings Data through Dec 31, 2025
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Semi-Bulk Systems — 10 Patents

Rank (All Time): #55,222 of 105,732Top 55%
3 inventors
10 Patents All Time

Patents per Year

Patents granted per year, 1980 to 2001Bar chart with a peak of 2 patents in 1989.peak 21980: 1 patents19801985: 1 patents19851989: 2 patents19891993: 1 patents19931994: 1 patents19941996: 2 patents19961997: 1 patents19972001: 1 patents2001

Top Inventors at Semi-Bulk Systems All Time

Showing 1–3 of 3 inventors

RankNamePatents
1 Charles S. Alack 7
2 Avrom R. Handleman 4
3 Benjamin Allan Wanner 2

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