DM

Darrel Henry Meffert

Caterpillar: 5 patents #1,323 of 8,398Top 20%
📍 Sparland, IL: #4 of 14 inventorsTop 30%
🗺 Illinois: #17,877 of 84,256 inventorsTop 25%
Overall (All Time): #1,004,908 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9102372 Track drive system and method 2015-08-11
8359848 Exhaust treatment device having flow-promoting end caps Philip Stephen Bruza, Michael Pollard, Timothy John Boland, John R. Weber, Ronak Shah +2 more 2013-01-29
7757484 Exhaust treatment device having flow-promoting end caps Philip Stephen Bruza, Michael Pollard, Timothy John Boland, John R. Weber, Ronak Shah +2 more 2010-07-20
7185614 Double bowl piston Roger Urven, Cory A. Brown, Mark Runge 2007-03-06
6604508 Volume reducer for pressurizing engine hydraulic system 2003-08-12