Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hearthstone Builders — 6 Patents

Rank (All Time): #87,431 of 105,732Top 85%
3 inventors
6 Patents All Time

Patents per Year

Patents granted per year, 1989 to 1996Bar chart with a peak of 2 patents in 1989.peak 21989: 2 patents19891990: 2 patents19901991: 1 patents19911996: 1 patents1996

Top Inventors at Hearthstone Builders All Time

Showing 1–3 of 3 inventors

RankNamePatents
1 Randy K. Giles 6
2 Gordon H. Lucas 3
3 Wolfgang Krausslich 1