Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Knierim — 1 Patent

TETekelec: 1 patents #98 of 199Top 50%
Cary, NC: #2,427 of 3,681 inventorsTop 70%
North Carolina: #26,774 of 45,564 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David Knierim has been granted 1 US patent while listed as an inventor at Tekelec. All of these patents were granted in 2005. David Knierim ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David Knierim in Cary, NC, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6954794 Methods and systems for exchanging reachability information and for switching traffic between redundant interfaces in a network cluster Joseph Michael Rudd, Benjamin Robinson, Jeffrey Lynn Ellis 2005-10-11 $6,064,000