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

Spruce Environmental Technologies — 5 Patents

Rank (All Time): #92,279 of 105,732Top 90%
4 inventors
5 Patents All Time

Patents per Year

Patents granted per year, 1997 to 2024Bar chart with a peak of 1 patents in 1997.peak 11997: 1 patents19972001: 1 patents20012022: 1 patents20222023: 1 patents20232024: 1 patents2024

Top Inventors at Spruce Environmental Technologies All Time

Showing 1–4 of 4 inventors

RankNamePatents
1 Mark David Fearis 3
2 David P. Kapturowski 2
2 John Patrick DeChristopher 2
#4 Paul Owens 1