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

David Johnston — 8 Patents

BCBce: 2 patents #55 of 182Top 35%
EMEmergis: 2 patents #5 of 15Top 35%
CFCapital One Financial: 1 patents #110 of 248Top 45%
Whitby, CA: #23 of 267 inventorsTop 9%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
David Johnston has been granted 8 US patents while listed as an inventor at Bce. The first was granted in 2004 and the most recent in February 2014. David Johnston ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list David Johnston in Whitby, ON, CA.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8645168 Interactive electronic bill payment system Mike Schmidt, Ilan Grosman 2014-02-04
8108274 Interactive electronic bill payment system Mike Schmidt, Ilan Grosman, Bob Ransom 2012-01-31
7864930 Systems and methods for registration and retrieval of voice mail contact information David William Clark, Sean MacLean Murray 2011-01-04 $107,683,000
7650304 Solicitation to web marketing loop process Steven John Metsker, Benjamin F. Abbott, Richard Grantham 2010-01-19 $409,396,000
7587033 Methods and systems for rendering voice mail messages amenable to electronic processing by mailbox owners William Barry Crago, David William Clark 2009-09-08 $243,196,000
6839422 Method and apparatus for providing local call treatment discrimination for selected calls on a switched telephone network L. Lloyd Williams, Alexander Markman 2005-01-04
6766009 Method and system for correlating telephone calls with information delivery L. Lloyd Williams, Alexander Markman 2004-07-20
6724876 Method and apparatus for effecting telecommunications service features using call control information extracted from a bearer channel in a telecommunications network L. Lloyd Williams, Alexander Markman 2004-04-20