Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel B. Kassel — 4 Patents

COCombichem: 3 patents #1 of 21Top 5%
Del Mar, CA: #282 of 784 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Daniel B. Kassel has been granted 4 US patents while listed as an inventor at Combichem. The first was granted in 2000 and the most recent in July 2002. Daniel B. Kassel ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Daniel B. Kassel in Del Mar, CA, US.

Patents per Year

Patents granted per year, 2000 to 2002Bar chart with a peak of 2 patents in 2000.peak 22000: 2 patents20002001: 1 patents20012002: 1 patents2002

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6426006 Automated on-line evaporating light scattering detection to quantify isolated fluid sample compounds in microtiter plate format Robert A. Zambias 2002-07-30 $1,682,000
6210571 Automated on-line evaporating light scattering detection to quantify isolated fluid sample compounds in microtiter plate format Robert A. Zambias 2001-04-03
6077438 Automated on-line evaporation light scattering detection to quantify isolated fluid sample compounds in microtiter plate format Robert A. Zambias 2000-06-20
6066848 Parallel fluid electrospray mass spectrometer Tao Wang, Lu Zeng 2000-05-23