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

Hans Viereck — 1 Patent

LDLogging Development: 1 patents #2 of 3Top 70%
Montréal, CA: #2,648 of 4,862 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Hans Viereck has been granted 1 US patent while listed as an inventor at Logging Development. All of these patents were granted in 1987. Hans Viereck ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Hans Viereck in Montréal, QC, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4690185 Rim driven rotary cutter and tree felling head incorporating the same Douglas D. Hamilton, Robert M. Palfy 1987-09-01