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

David Barr

KIKidkraft: 4 patents #2 of 5Top 40%
Google: 1 patents #14,769 of 22,993Top 65%
Northbrook, IL: #109 of 772 inventorsTop 15%
Illinois: #11,418 of 84,256 inventorsTop 15%
Overall (All Time): #627,910 of 4,157,543Top 20%
8 Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11524218 Adjustable difficulty rock hold Frederick Rieber 2022-12-13
11135525 Accordion fold play structure with easy-up assembly device Frederick Rieber 2021-10-05
11020681 Super fold playhouse Frederick Rieber 2021-06-01
D880630 Rockwall slat and rock combo Stephen Bates 2020-04-07
9150288 Surfboard having interchangeable tail extensions 2015-10-06
8847797 Byte-aligned dictionary-based compression and decompression 2014-09-30
8540611 Flexible attachable exercise device 2013-09-24
D654382 Athletic game timer Steven A. Schoenberg, Trevis Kurz, Jeff Mathison, Mark Eyman, Michael Prince 2012-02-21