{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Computer Network Technology", "item": "https://www.patentleaderboard.com/company/computer-network-technology"}, {"@type": "ListItem", "position": 3, "name": "Bret Ketchum", "item": "https://www.patentleaderboard.com/inventor/fl:br_ln:ketchum-2"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BK

Bret Ketchum — 3 Patents

CTComputer Network Technology: 3 patents #6 of 44Top 15%
Anoka, MN: #76 of 225 inventorsTop 35%
Minnesota: #19,251 of 52,454 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Bret Ketchum has been granted 3 US patents while listed as an inventor at Computer Network Technology. The first was granted in 2003 and the most recent in June 2008. Bret Ketchum ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Bret Ketchum in Anoka, MN, US.

Patents per Year

Patents granted per year, 2003 to 2008Bar chart with a peak of 1 patents in 2003.peak 12003: 1 patents20032007: 1 patents20072008: 1 patents2008

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7391723 Frame-level fibre channel CRC on switching platform William C. Collette, Steve Flattum, Mark J. Vogel 2008-06-24
7308001 Fibre channel frame batching for IP transmission William C. Collette, Richard Kelley, Robert Engebretson, Mark Moran, Mike Morandi 2007-12-11
6647528 Fiber channel CRC for internal error checking on a switching platform William C. Collette, Steve Flattum, Mark J. Vogel 2003-11-11 $4,494,000