Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HB

Harley Brown — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Bedford, IN: #24 of 93 inventorsTop 30%
Indiana: #13,817 of 33,936 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Harley Brown has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in October 1984. Harley Brown ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Harley Brown in Bedford, IN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4474189 Apparatus incorporating a splashed-liquid, normally-closed check valve 1984-10-02
RE30427 Maximum liquid level control valve 1980-11-04