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USPTO Patent Rankings Data through Dec 31, 2025
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Crathern Engineering Co. — 10 Patents

Rank (All Time): #55,324 of 105,732Top 55%
6 inventors
10 Patents All Time

Patents per Year

Patents granted per year, 1982 to 2000Bar chart with a peak of 2 patents in 1982.peak 21982: 2 patents19821986: 1 patents19861987: 2 patents19871989: 1 patents19891992: 1 patents19921995: 1 patents19951999: 1 patents19992000: 1 patents2000

Top Inventors at Crathern Engineering Co. All Time

Showing 1–6 of 6 inventors

RankNamePatents
1 Thomas Porat 5
2 John Mims 2
2 Leland F. Mills 2
2 Ronald Henry Boucher 2
#5 John Duquette 1
#5 Ronald I. Fowler 1

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