DL

David Lange

AH A.L.M. Holding: 2 patents #8 of 25Top 35%
DI Dresser Industries: 2 patents #157 of 787Top 20%
EE Ergon Asphalt & Emulsions: 1 patents #8 of 10Top 80%
📍 La Ronge, CA: #12 of 283 inventorsTop 5%
Overall (All Time): #718,007 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11174603 Process for cold-in-place recycling using foamed asphalt and lubrication additive Gerald H. Reinke, Gaylon L. Baumgardner, Ervin Dukatz 2021-11-16
8962071 Process for cold-in-place recycling using foamed asphalt and lubrication additive Gerald H. Reinke, Gaylon L. Baumgardner, Ervin Dukatz 2015-02-24
8682759 System and method for determining and brokering fuel emission offsets 2014-03-25
7290504 System and method for operating an internal combustion engine with hydrogen blended with conventional fossil fuels 2007-11-06
5904125 Exhaust valve for internal combustion engine Bernard F. Enright 1999-05-18
5655493 Exhaust valve for internal combustion engine Bernard F. Enright 1997-08-12
D274256 End cap for heat exchangers Leland Lange 1984-06-12