Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DL

David Lau — 3 Patents

Basf Se: 2 patents #5,851 of 13,826Top 45%
BGBasf Coatings Gmbh: 1 patents #350 of 799Top 45%
Royal Oak, MI: #434 of 1,428 inventorsTop 35%
Michigan: #27,426 of 86,293 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David Lau has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 1994 and the most recent in October 2009. David Lau ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Lau in Royal Oak, MI, US.

Patents per Year

Patents granted per year, 1994 to 2009Bar chart with a peak of 1 patents in 1994.peak 11994: 1 patents19942004: 1 patents20042009: 1 patents2009

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7604837 Nonlinear polysiloxane containing coatings with improved adhesion properties Thomas C. Balch, Peter Betz, Gudrun Wiemann, Donald H. Campbell, Vicki Lynn Berry +6 more 2009-10-20
6822040 Basecoat composition with improved repair properties Leslie G. Baugh, Thomas C. Balch, Sergio Balatan, Walter H. Ohrbom, James A. Laugal +1 more 2004-11-23 $394,000
5283084 Process for making wrinkle-free coating using solventborne clearcoat composition over waterborne basecoat composition 1994-02-01