Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Hoffman — 7 Patents

NONordson: 5 patents #193 of 1,063Top 20%
HMHopkins Manufacturing: 1 patents #47 of 78Top 65%
Concord, CA: #115 of 739 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 Hoffman has been granted 7 US patents while listed as an inventor at Nordson. The first was granted in 1998 and the most recent in August 2015. David Hoffman ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list David Hoffman in Concord, CA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D736778 Automotive seat mountable tablet computer holding device Doug Martin, Kyle M. Bennett, Brent Windsor 2015-08-18
7201823 High throughput plasma treatment system Louis A. Rigali, Keda Wang, William F. Smith 2007-04-10 $9,158,000
6841033 Material handling system and method for a multi-workpiece plasma treatment system Robert S. CONDRASHOFF, James P. Fazio, James S. Tyler 2005-01-11 $4,595,000
6808592 High throughput plasma treatment system Louis A. Rigali, Keda Wang, William F. Smith 2004-10-26 $8,453,000
6709522 Material handling system and methods for a multichamber plasma treatment system Robert S. CONDRASHOFF, James P. Fazio, James S. Tyler 2004-03-23 $8,566,000
6245189 High Throughput plasma treatment system Louis A. Rigali, Keda Wang 2001-06-12 $5,445,000
5766404 Methods and apparatus for plasma treatment of workpieces Louis A. Rigali, William F. Smith 1998-06-16