DH

David J. Hilbert

BR Brunswick: 12 patents #92 of 1,301Top 8%
Overall (All Time): #414,926 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10174656 Exhaust systems and methods of assembling exhaust systems for marine propulsion devices Gregg D. Langenfeld, Ryan E. Mueller 2019-01-08
10059417 Marine propulsion device with hydrolock and stall prevention Brian J. Fregonese, Christopher R. Jenks 2018-08-28
10048690 Method and system for controlling two or more propulsion devices on a marine vessel Brian J. Fregonese, Christopher R. Jenks 2018-08-14
10018136 Method and control system for controlling a marine internal combustion engine Steven M. Anschuetz, Michael A. Purdy, Robert R. Osthelder 2018-07-10
9840955 Exhaust systems and methods of assembling exhaust systems for marine propulsion devices Gregg D. Langenfeld, Ryan E. Mueller 2017-12-12
9758228 Exhaust manifolds for outboard marine engines Gregg D. Langenfeld, Steven W. Habeck, Jeffrey J. Broman, Ryan E. Mueller 2017-09-12
9644514 Exhaust systems for marine propulsion devices having sealing arrangements Gregg D. Langenfeld, Timothy S. Reid 2017-05-09
9551264 Exhaust arrangements for marine propulsion devices Gregg D. Langenfeld 2017-01-24
9518495 Exhaust arrangements for marine propulsion devices Gregg D. Langenfeld, Ryan E. Mueller 2016-12-13
9359058 Outboard marine propulsion devices and methods of making outboard marine propulsion devices having exhaust runner cooling passages Gregg D. Langenfeld, Ryan E. Mueller 2016-06-07
8876566 Marine exhaust system with idle relief chamber Mark J. Glodowski 2014-11-04
8317557 Anti-ingestion system for a marine drive Jeffrey J. Dudarenke, Matthew W. Jaeger 2012-11-27