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

David Hein — 4 Patents

POPolycom: 4 patents #68 of 365Top 20%
Austin, TX: #6,433 of 18,064 inventorsTop 40%
Texas: #33,915 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Hein has been granted 4 US patents while listed as an inventor at Polycom. The first was granted in 2004 and the most recent in July 2013. David Hein ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Hein in Austin, TX, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8493862 System and method for lost packet recovery with congestion avoidance Stephen Botzko, John Paul Spearman, Richard Flott, Jr. 2013-07-23 $7,496,000
7876685 System and method for lost packet recovery with congestion avoidance Stephen Botzko, John Paul Spearman, Richard Flott, Jr. 2011-01-25 $30,883,000
7561536 Method and apparatus for simultaneous incoming digital call processing using ISDN bonding channels Larry Roundy, Guruprasad Subbarao 2009-07-14 $20,261,000
6744460 Video display mode automatic switching system and method Alain Nimri, Michael Kenoyer 2004-06-01 $18,962,000