Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Butte, MT ranks #5,199 worldwide for total patents filed all time, with 507 patents from 139 inventors. Leading employers of inventors based in Butte, MT include Sigma Labs, Battelle Energy Alliance, Milanovich Investments, L.L.C..

Showing 1–50 of 139 inventors

Rank Inventor Primary Company Patents
1 R. Bruce Madigan Sigma Labs 31
2 William H. Morrison Battelle Energy Alliance 28
3 John L. Morrison Battelle Energy Alliance 26
#4 Philip John Milanovich Milanovich Investments, L.L.C. 24
#5 Lawrence C. Farrar Resodyn 19
#6 Stephen L. Galbraith Harley-Davidson Motor Company 17
#6 Peter A. Lucon Resodyn 17
#8 Jack L. Skinner Sandia 13
#9 Melissa D. McIntyre Zaf Energy Systems, Incorporated 12
#10 Sergei Babko-Malyi Cardiofocus 11
#11 Andrea Stierle The Research And Development Institute At Montana State University 10
#11 Harold W. Howe Technetics Group 10
#11 Jerome P. Downey Hazen Research 10
#14 Clifford A. Bradley Montana State University 9
#14 Ronald A. Guidotti Sandia 9
#16 Richard D. Chapman 8
#16 Donald Stierle The Research And Development Institute At Montana State University 8
#18 Stephan Kujawa Fei 7
#18 Albert James Lovshin 7
#18 Hugh Craig Dow Corning 7
#21 Marjory McCaffery 6
#21 Zachary Ruprecht Martineau Resodyn 6
#21 Robert D. Kearns USDA 6
#21 Justin M. Whitney Deka Products Limited Parternship 6
#25 Leif H. Cox Technoimaging 5
#25 John P. Jackam 5
#25 Dan M. Leatzow Protasis 5
#25 Scott L. Coguill Resodyn 5
#25 Pauline P. Wood 5
#25 Ray Miller Unknown 5
#31 David L. Hutchins Unknown 4
#31 Joel M. Pierce 4
#33 David J. Verbael Kimberly-Clark Worldwide 3
#33 Leroy L. McLean 3
#33 Brian A. Smyth Schweitzer Engineering Laboratories 3
#33 Roger B. Malmquist 3
#33 M. Katie Hailer Montana Technological University 3
#33 John C. Tierney 3
#33 Edward L. Rademacher, Jr. Pyrogenesis 3
#33 Jessica M. Gregory 3
#33 Paul J. Miranda Montana Tech Of The University Of Montana 3
#33 Marisa L. Pedulla 3
#33 Neal Rogers 3
#33 Brian Jay Seaholm Resodyn 3
#33 William J. Powell Stauffer Chemical 3
#33 Ronald J. Glovan 3
#47 Marek H. Zaluski Mse Technology Applications 2
#47 Timothy Troutman Rec Silicon 2
#47 Jessica M. Andriolo Montana Technological University 2
#47 Todd A. McAdams 2

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