DB

David L. Butler

MP Moeller Marine Products: 6 patents #2 of 4Top 50%
3M: 2 patents #5,326 of 11,543Top 50%
UC University Of Cincinnati: 1 patents #288 of 791Top 40%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Charlotte, NC: #193 of 4,868 inventorsTop 4%
🗺 North Carolina: #2,769 of 45,564 inventorsTop 7%
Overall (All Time): #273,212 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
11187122 Diesel particulate filter cleaning machine with filter cleaning time prediction Bryan J. Case, Gregory J. Lukins 2021-11-30
10479154 Utility sled 2019-11-19
8678331 Deck drainage system brackets 2014-03-25
8082712 Ventilated deck drainage systems Anthony James Sclafani 2011-12-27
7255403 Take-down seating 2007-08-14
7066548 Take-down seating 2006-06-27
6755428 Portable cooler assembly 2004-06-29
6733084 Boat comfort seat assembly 2004-05-11
6321677 Fuel tank hold down system 2001-11-27
6257288 Watering device Steven Davidian, Benson T. Nicholl 2001-07-10
5423702 Fuel tank sump assembly for fuel injection engines 1995-06-13
5108433 Tensioning means for prosthetic devices Steven J. May, Craig Van Kampen, Edward S. Grood, Steven D. Hoffman, Frank R. Noyes 1992-04-28
5056530 Method of measuring axial force in mammalian fibrous tissue and device Edward S. Grood, Donald C. Stouffer, David L. Glos 1991-10-15
5018514 Knee brace Edward S. Grood, D. Michael Ledyard, Steven D. Hoffman 1991-05-28
5002574 Tensioning means for prosthetic devices Steven J. May, Craig Van Kampen, Edward S. Grood, Steven D. Hoffman, Frank R. Noyes 1991-03-26
4832392 Quick lockable tilting hoist tackle 1989-05-23
4684162 Tilting hoist tackle 1987-08-04