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USPTO Patent Rankings Data through Dec 31, 2025
CM

Crucible Materials — 73 Patents

Rank (All Time): #9,155 of 105,732Top 9%
58 inventors
73 Patents All Time

Patents per Year

Patents granted per year, 1985 to 2009Bar chart with a peak of 9 patents in 1986.peak 91985: 2 patents19851986: 9 patents1987: 2 patents1988: 7 patents19881989: 6 patents1990: 5 patents1991: 5 patents19911992: 5 patents1993: 2 patents1994: 2 patents19941995: 2 patents1996: 5 patents1997: 2 patents19971998: 3 patents1999: 5 patents2000: 3 patents20002001: 1 patents2002: 3 patents2003: 1 patents20032004: 1 patents2007: 1 patents2009: 1 patents2009

Top Inventors at Crucible Materials All Time

Showing 1–50 of 58 inventors

RankNamePatents
1 Kenneth E. Pinnow 19
2 William Stasko 14
3 Edward J. Dulis 8
#4 Bao-Min Ma 7
#4 John J. Eckenrod 7
#6 Andrew S. Kim 6
#6 Carl J. Dorsch 6
#6 Floyd E. Camp 6
#6 Frank J. Rizzo 6
#6 Geoffrey O. Rhodes 6
#6 Walter T. Haswell, Jr. 6
#12 Charles F. Yolton 5
#12 Kalatur S. V. L. Narasimhan 5
#12 Kalathur S. Narasimhan 5
#15 John Hauser 4
#15 William B. Eisen 4
#17 Andrzej L. Wojcieszynski 3
#17 David A. Salvatora 3
#17 John H. Moll 3
#17 Joseph F. Perez 3
#17 Karl S. Brosius 3
#17 Michael W. Peretti 3
#17 Scott B. Justus 3
#17 Thomas Lizzi 3
#17 Vijay K. Chandhok 3
#17 William E. Royer 3
#27 Alojz Kajinic 2
#27 Brian Hann 2
#27 Carol J. Willman 2
#27 Francis S. Snyder 2
#27 Henry E. Brinzer, Jr. 2
#27 Jeryl K. Wright 2
#27 John J. DuPlessis 2
#27 John C. Tverberg 2
#27 Kenneth J. Wojslaw 2
#27 Terry C. Rhodes 2
#27 Ulrike Habel 2
#38 Charles D. Preusch 1
#38 Baoquan Huang 1
#38 Benjamin Chao 1
#38 Brian McTiernan 1
#38 Dale Williams 1
#38 Eugene B. Connelly 1
#38 Frederick C. Holtz, Jr. 1
#38 Hans H. Stadelmaier 1
#38 Jason Ting 1
#38 Jocelyne McGeever 1
#38 Maria K. Sawford 1
#38 Michael QUINLAN 1
#38 Nen-Chin Liu 1

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