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USPTO Patent Rankings Data through Dec 31, 2025
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Bell Geospace — 7 Patents

Rank (All Time): #73,691 of 105,917Top 70%
4 inventors
7 Patents All Time

Patents per Year

Patents granted per year, 2006 to 2017Bar chart with a peak of 2 patents in 2006.peak 22006: 2 patents20062007: 1 patents20072008: 1 patents20082009: 1 patents20092010: 1 patents20102017: 1 patents2017

Top Inventors at Bell Geospace All Time

Showing 1–4 of 4 inventors

RankNamePatents
1 James Brewster 5
2 John Brett 4
3 David Humphrey 2
#4 John Macfarlane 1

Most Valuable Patents

PatentEst. ValueYear
Accelerometer and rate sensor package for gravity gradiometer instruments$34M2008
Accelerometer and rate sensor package for gravity gradiometer instruments$8M2010

All 100 most valuable US patents →

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