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

David Cairns — 3 Patents

BOBfly Operations: 1 patents #63 of 88Top 75%
Nortel Networks Limited: 1 patents #2,518 of 5,294Top 50%
OPOptos Plc: 1 patents #32 of 83Top 40%
Belleville, CA: #28 of 151 inventorsTop 20%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David Cairns has been granted 3 US patents while listed as an inventor at Bfly Operations. The first was granted in 2005 and the most recent in March 2023. David Cairns ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Cairns in Belleville, ON, CA.

Patents per Year

Patents granted per year, 2005 to 2023Bar chart with a peak of 1 patents in 2005.peak 12005: 1 patents20052011: 1 patents20112023: 1 patents2023

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11596382 Methods and apparatuses for enabling a user to manually modify an input to a calculation performed based on an ultrasound image Nathan Silberman, Vineet Shah, David Elgena, Elizabeth Lauer, Cristina Shin 2023-03-07
7959290 Scanning ophthalmoscopes Robert Barnet Henderson 2011-06-14
6931029 System and method for synchronizing with data received over an unreliable asynchronous medium Michael Pothier, John C. Lynch, Glenn Eng, Andre M. Cyr 2005-08-16 $16,403,000