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

David Barrow — 4 Patents

PRProtasis: 2 patents #6 of 13Top 50%
ULUniversity College Cardiff Consultants Limited: 1 patents #76 of 276Top 30%
Cardiff, GB: #69 of 510 inventorsTop 15%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Barrow has been granted 4 US patents while listed as an inventor at Protasis. The first was granted in 2001 and the most recent in December 2010. David Barrow ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Barrow in Cardiff, GB.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7846382 Method and device for ultrasonically manipulating particles within a fluid David Strand, Joseph Cefai 2010-12-07
7802591 Microfluidic device and methods for construction and application Nicola Harries, Tyrone Jones, Kostas Bouris 2010-09-28
7731412 Fluid-handling apparatus and methods Graham Sparey-Taylor, David Strand 2010-06-08
6332541 Particle manipulation William Terence Coakley, Jeremy John Hawkes, Joseph Cefai 2001-12-25