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

Howard D. Kellogg — 3 Patents

VDViken Detection: 2 patents #2 of 13Top 20%
Somerville, MA: #1,058 of 2,735 inventorsTop 40%
Massachusetts: #33,867 of 88,656 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Howard D. Kellogg has been granted 3 US patents while listed as an inventor at Viken Detection. The first was granted in 2013 and the most recent in September 2022. Howard D. Kellogg ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Howard D. Kellogg in Somerville, MA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11448606 System, kit, and method for x-ray imaging with removably attachable detector assembly Peter J. Rothschild 2022-09-20
10794843 System and kit for x-ray backscatter imaging with removable detector Peter J. Rothschild 2020-10-06
D683642 Analytical instrument Collin Wardwell Buesser, Robert Charles Wopperer 2013-06-04