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

David A. Head — 7 Patents

FEFei: 4 patents #139 of 681Top 25%
HAHughes Aircraft: 2 patents #748 of 2,963Top 30%
BNBay Networks, Nc.: 1 patents #39 of 115Top 35%
Torrance, CA: #345 of 2,137 inventorsTop 20%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
David A. Head has been granted 7 US patents while listed as an inventor at Fei. The first was granted in 1993 and the most recent in January 2012. David A. Head ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list David A. Head in Torrance, CA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8095231 Graphical automated machine control and metrology David Tasker, Henri J. Lezec 2012-01-10 $7,228,000
7664566 Graphical automated machine control and metrology David Tasker, Henri J. Lezec 2010-02-16 $3,365,000
7308334 Graphical automated machine control and metrology David Tasker, Henri J. Lezec 2007-12-11 $8,774,000
6889113 Graphical automated machine control and metrology David Tasker, Henri J. Lezec 2005-05-03 $2,717,000
5914938 MAC address table search unit David M. Brady, Suryanarayan Ramamurthy, Ahmad Esmaeili 1999-06-22
5384515 Shrouded pin electrode structure for RF excited gas discharge light sources Robert D. Washburn, Robert F. McClanahan 1995-01-24
5220236 Geometry enhanced optical output for RF excited fluorescent lights Robert D. Washburn, Robert F. McClanahan 1993-06-15