DH

David J. Hilbert

BR Brunswick: 4 patents #13 of 123Top 15%
📍 Black Creek, WI: #1 of 3 inventorsTop 35%
🗺 Wisconsin: #213 of 4,437 inventorsTop 5%
Overall (2017): #49,201 of 506,227Top 10%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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