Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CB

Christopher Martin Baumbach

SPSpringfield: 11 patents #4 of 16Top 25%
Eldridge, IA: #8 of 62 inventorsTop 15%
Iowa: #1,336 of 15,303 inventorsTop 9%
Overall (All Time): #438,529 of 4,157,543Top 15%
11 Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
D1086349 Firearm Benjamin Boyd McKelvain, Stephen H. McKelvain, Charles David Williams, Nick Ballard, Peter J. Leach +1 more 2025-07-29
12104878 Rifle stock Nick Ballard, Charles David Williams 2024-10-01
D1024252 Rifle Peter J. Leach, Stephen H. McKelvain, Charles David Williams 2024-04-23
11959714 Bolt assembly Nick Ballard, Charles David Williams 2024-04-16
11946714 Bolt assembly with clip 2024-04-02
D987011 Firearm receiver Charles David Williams 2023-05-23
11624568 Bolt assembly Nick Ballard, Charles David Williams 2023-04-11
D963099 Rifle Peter J. Leach, Stephen H. McKelvain, Charles David Williams 2022-09-06
D944351 Firearm receiver Charles David Williams 2022-02-22
D875870 Firearm receiver Charles David Williams 2020-02-18
D865897 Pistol Dennis J. Reese, Charles David Williams, Nick Ballard 2019-11-05