Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
GK

Gregory J. Kaufmann — 34 Patents

Caterpillar: 34 patents #73 of 8,398Top 1%
Metamora, IL: #8 of 208 inventorsTop 4%
Illinois: #1,627 of 84,256 inventorsTop 2%
Overall (All Time): #103,204 of 4,157,543Top 3%
34 Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
D727974 Undercarriage track roller for mobile earthmoving machine Robert L. Meyer, Mark S. Diekevers, Timothy A. Thorson 2015-04-28
9004619 Mobile machine track shoe Robert L. Meyer, Mark S. Diekevers, William Jay Ulrich, IV 2015-04-14
D719588 Undercarriage track system for mobile earthmoving machine Robert L. Meyer, Mark S. Diekevers, Timothy A. Thorson 2014-12-16
8876227 Mobile machine track shoe Robert L. Meyer, Mark S. Diekevers, William Jay Ulrich, IV 2014-11-04
D712935 Undercarriage track shoe for mobile earthmoving machine Robert L. Meyer, Mark S. Diekevers, William Jay Ulrich, IV 2014-09-09
D709527 Undercarriage track idler for mobile earthmoving machine Robert L. Meyer 2014-07-22
7997659 Rotary cutter for tunnel boring machine Thomas E. Oertley, Robert L. Meyer, Dennis R. Shookman 2011-08-16
7481048 Regeneration assembly Michael P. Harmon, Cho Y. Liang, Mari Balmer-Millar 2009-01-27
6647770 Apparatus and method for testing internal combustion engine valves Mysore S. Satish, Timothy Edward McGreevy, James J. Buettner, David A. Cusac, Ronald P. Maloney +8 more 2003-11-18