Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Smithville, CA ranks #35,140 worldwide for total patents filed all time, with 24 patents from 11 inventors. Leading employers of inventors based in Smithville, CA include Stanpac, Westinghouse Electric, Magna International.

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 Stephen H. Witt Stanpac 9
2 David E. Hojnoski 4
3 Bogdan Z. Charczuk 2
3 James Dickson Westinghouse Electric 2
#5 Leslie George SHUMAN Magna International 1
#5 William Johnson 1
#5 Daniel Shukovitsky 1
#5 Steven Hugh Witt Stanpac 1
#5 Len Sheldrake 1
#5 Denis J Lantin 1
#5 Doug Finch 1