Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DI

David Irwin

CACannondale: 3 patents #15 of 34Top 45%
BDBlack & Decker: 2 patents #1,029 of 2,138Top 50%
Cockeysville, MD: #58 of 330 inventorsTop 20%
Maryland: #4,710 of 35,612 inventorsTop 15%
Overall (All Time): #684,170 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12338989 Light emitting assembly for a power tool Brian E. Friedman, Joseph P. Kelleher, Richard Dizon, Heather Schafer, Michael Sikora +1 more 2025-06-24
11835217 Light emitting assembly for a power tool Brian E. Friedman, Joseph P. Kelleher, Richard Dizon, Heather Schafer, Michael Sikora +1 more 2023-12-05
4798318 Carrier bag assembly for bicycle handlebars 1989-01-17
4733835 Cable guide for bicycles Raphael Schlanger, Thomas C. Patterson 1988-03-29
4666071 Bicycle rear carrier rack Mark T. La Plante, David Graham 1987-05-19
4487579 Superstructure for kiln car 1984-12-11
4407654 Handling and support system for kiln fired ware 1983-10-04