Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Eureka, CA ranks #8,254 worldwide for total patents filed all time, with 265 patents from 69 inventors. Leading employers of inventors based in Eureka, CA include Hilfiker Pipe Co., Idatech, Nuon. That works out to 10.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 69 inventors

Rank Inventor Primary Company Patents
1 William K. Hilfiker Hilfiker Pipe Co. 34
2 Thomas G. Herron Idatech 19
2 David A. Daniel Nuon 19
2 Kendall Roger Swenson GE 19
#5 Michael Flashman Zymergen 18
#6 Harold K. Hilfiker Hilfiker Pipe Co. 12
#6 William B. Hilfiker Hilfiker Pipe Co. 12
#8 Will Robert Nielsen Hippen Borgwarner 8
#9 Garrie Stephen Cox 7
#9 Joel V. Risch 7
#9 Judith Lynne Carter Lipton, Division Of Conopco 7
#9 George A. Cooney, Jr. S-Matrix 7
#13 Edward Joseph Stockton 5
#13 James R. Trimble 5
#15 Talbot Harty Network Equipment Technologies 4
#15 Lindsey Blevin 4
#17 George Cornelius National Research Development 3
#17 Whitney G. McLeod 3
#17 Forrest D. Smith 3
#17 Doran Spencer Biomerieux 3
#17 Harold O. Hilfiker Hilfiker Pipe Co. 3
#17 Bruce Remington 3
#17 Don Allen Harwood Lsi 3
#24 Robert McGuiness 2
#24 Michael Kroemer 2
#24 Melvin Hubbard 2
#24 Arthur L. Hilfiker Hilfiker Pipe Co. 2
#24 Dusty Titus 2
#24 Brent A. Cartwright 2
#24 Kenneth Dewane Owens, Jr. 2
#24 Andrew P. Gordon 2
#24 Hank E. Pierson 2
#24 Keith Allen Harwood 2
#24 Gary E. Schurb 2
#35 Ken Wahlund 1
#35 Farrell W. Purcell 1
#35 Carl Parimuha 1
#35 Lina J. BUTLER Apple 1
#35 Stacy Ann McNeil 1
#35 Aaron Tempelaere 1
#35 Rand E. Eads USDA 1
#35 Hurshel A. Fields 1
#35 Melody A. Rane 1
#35 Albert H. Brigance 1
#35 Monte B. Provolt 1
#35 Irving H. Wrigley 1
#35 Johnny Vanelli 1
#35 Stephan J. Jacobs 1
#35 Earl E. Horn 1
#35 Delbert L. Criner 1

Part of California