BB

Boyd L. Butler

📍 Cottonwood Heights, UT: #10 of 104 inventorsTop 10%
🗺 Utah: #1,123 of 19,430 inventorsTop 6%
Overall (All Time): #298,238 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
9341095 Frequency-modifying muffler 2016-05-17
8869932 Crossover muffler Trent V. Bray 2014-10-28
8746401 Frequency-modifying muffler 2014-06-10
8474252 Oval-to-round exhaust collector system 2013-07-02
8256571 Frequency-modifying muffler 2012-09-04
8186386 Modular exhaust tube system 2012-05-29
8181671 Anti-resonant pulse diffuser 2012-05-22
8181732 Y splitter for exhaust systems 2012-05-22
8104572 Spin muffler 2012-01-31
8083026 Diffuser muffler 2011-12-27
6622821 Thin acoustic muffler exhaust pipes, method of sheet metal construction thereof, and exhaust systems which utilize such exhaust pipes for increased ground clearance on race cars 2003-09-23
6478340 Y-pipe for thin boom tube exhaust pipes providing increased ground clearance on race cars 2002-11-12
6460248 Method of sheet metal construction for thin boom tube exhaust pipes 2002-10-08
6283162 Thin boom tube exhaust pipes, method of sheet metal construction thereof, and exhaust systems which utilize such exhaust pipes for increased ground clearance on race cars 2001-09-04
5951030 Spindle length extender for double wishbone suspension systems of motor vehicles 1999-09-14
5824972 Acoustic muffler 1998-10-20