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

Charles E. Kirk — 3 Patents

QDQuantum Devices: 1 patents #7 of 15Top 50%
Middleton, WI: #207 of 564 inventorsTop 40%
Wisconsin: #13,370 of 40,088 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Charles E. Kirk has been granted 3 US patents while listed as an inventor at Quantum Devices. The first was granted in 2004 and the most recent in March 2023. Charles E. Kirk ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Charles E. Kirk in Middleton, WI, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11608685 Cutting head and method for horizontal directional tunneling 2023-03-21
6796994 Device for the treatment of mucositis Ronald W. Ignatius, Todd S. Martin 2004-09-28
6776380 Method and apparatus for adjustably mounting a furniture leg on an article of furniture Joy B. Kirk 2004-08-17