Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David A. Carpenter — 7 Patents

Genentech: 3 patents #890 of 2,392Top 40%
CACommonwealth Of Australia: 1 patents #49 of 226Top 25%
Parkton, MD: #14 of 67 inventorsTop 25%
Maryland: #4,753 of 35,612 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
David A. Carpenter has been granted 7 US patents while listed as an inventor at Genentech. The first was granted in 1980 and the most recent in October 2010. David A. Carpenter ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list David A. Carpenter in Parkton, MD, US.

Patents per Year

Patents granted per year, 1980 to 2010Bar chart with a peak of 2 patents in 1981.peak 21980: 1 patents19801981: 2 patents19811991: 1 patents19912002: 1 patents20022004: 1 patents20042010: 1 patents2010

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7811777 Methods of screening for agonists and antagonists of patched-2 Frederic J. de Sauvage 2010-10-12
6709838 Nucleic acid encoding patched-2 Frederic J. de Sauvage 2004-03-23 $352,184,000
6348575 Patched-2 Frederic J. de Sauvage 2002-02-19 $58,696,000
5052394 Method and apparatus for ultrasonic beam compensation George Kossoff 1991-10-01
4289140 Signal processing system George Kossoff, George D. Radovanovich 1981-09-15
4254661 Ultrasonic transducer array George Kossoff 1981-03-10
4202205 Integral torquer for mass measurement system 1980-05-13