Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Lake Arrowhead, CA ranks #13,317 worldwide for total patents filed all time, with 128 patents from 40 inventors. Leading employers of inventors based in Lake Arrowhead, CA include The Toro, Ladd Furniture, Fata Hunter. That works out to 10.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–40 of 40 inventors

Rank Inventor Primary Company Patents
1 Jeff McKenzie The Toro 20
2 Andreas K. Nielsen Ladd Furniture 14
3 Christopher A. Romanowski Fata Hunter 13
#4 Robert C. Woolley Wind River Systems 11
#5 Robert Elliot Everhart, II James Hardie Technology Limited 6
#5 Ronald D. Drake Oil Sands Underground Mining 6
#7 Louis M. Crain US Air Force 5
#7 Michael John Guidos 5
#9 William J. Madden 4
#9 Susan M. Duthie Dyna 4
#11 Marcelo Pizarro 3
#11 Roy G. Brant Eubanks Engineering 3
#13 Edward Herman Smith Westinghouse Electric 2
#13 David Ross Climax Portable Machine Tools 2
#13 Homer Douglas Hocking 2
#13 Dennis W. Cobb Cymer 2
#13 Jeanne Lincoln 2
#13 Dale Mickelson 2
#19 Clarence W. Neher US Air Force 1
#19 Carole Wall 1
#19 John S. Horger 1
#19 David Forgerson Xtreme Metal Fab. 1
#19 Scott Connolly Verizon 1
#19 Loretta Kay Cummings 1
#19 Robert Elliott Everhart, II James Hardie Technology Limited 1
#19 Tristan Miller-Mansey 1
#19 Jonathan Mansey 1
#19 Steven J. Montoya 1
#19 Valorie L. Montoya 1
#19 Steven S. Pluciennik 1
#19 R. Dennis Gallagher 1
#19 Peter I. Phillips La Gard 1
#19 Richard K. Kuhlemeier 1
#19 Robin J. Cousins 1
#19 Robert C. Barows 1
#19 Madelon L. Scharfy 1
#19 Marc W. Malsby Compagnie Deutsch Gmbh 1
#19 Henry R. Zink 1
#19 Mark W. Murdock 1
#19 Donald R. Finke 1

Part of California