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

Brett Birschbach

BSBriggs & Stratton: 4 patents #132 of 490Top 30%
Wauwatosa, WI: #206 of 672 inventorsTop 35%
Wisconsin: #10,776 of 40,088 inventorsTop 30%
Overall (All Time): #1,144,685 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11377996 Muffler with baffle defining multiple chambers Steve Gleixner, Robert S. Johnson, Patrick J. Crowley 2022-07-05
10167766 Reverse fin cooling fan Rodney Balzar, Jeffery P. Feist, Casey Groh, Brian Johnson, Randall J. Klotka +4 more 2019-01-01
9926832 Reverse fin cooling fan Rodney Balzar, Jeffrey P. Feist, Casey Groh, Brian Johnson, Randall J. Klotka +1 more 2018-03-27
9888626 Noise-reducing mower blade Richard J. Gilpatrick, Ryan Jaskowiak, Jacob A. Matznick, Tom Lanser, Gary J. Gracyalny 2018-02-13