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

David Katz — 32 Patents

MIMixtiles: 6 patents #1 of 5Top 20%
KIKason Industries: 2 patents #12 of 26Top 50%
MIMetalworking Lasers International: 1 patents #2 of 5Top 40%
Arcata, CA: #1 of 52 inventorsTop 2%
California: #15,733 of 386,348 inventorsTop 5%
Overall (All Time): #111,009 of 4,157,543Top 3%
32 Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
6158138 Measuring tape pencil sharpener combination 2000-12-12
6142526 Speed control pole for in-line skating 2000-11-07
5873626 Bicycle seat 1999-02-23
5454817 Oto-nasal foreign body extractor 1995-10-03
D333741 Garment display rack 1993-03-09
5170898 I-beam fixture system Paul Ioos, Gerald Fremderman, Paul Iooss 1992-12-15
4574381 Apparatus for establishing and maintaining a stable discharge across a stream of flowing gas, particularly useful for high-power lasers 1986-03-04