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

John W. Howanski — 3 Patents

HCHendrix Wire & Cable: 1 patents #4 of 9Top 45%
Windham, NH: #126 of 335 inventorsTop 40%
New Hampshire: #4,183 of 12,181 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John W. Howanski has been granted 3 US patents while listed as an inventor at Hendrix Wire & Cable. The first was granted in 1997 and the most recent in February 1999. John W. Howanski ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John W. Howanski in Windham, NH, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5868528 Clean air bulk material handling method and system Clifford B. Richardson 1999-02-09
5700980 Aerial cable spacer Salvatore Bello 1997-12-23
5639188 Clean air bulk material handling system Clifford B. Richardson 1997-06-17