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USPTO Patent Rankings Data through Dec 31, 2025
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Christopher Robbins — 2 Patents

LTLummus Technology: 1 patents #209 of 280Top 75%
Arlington, VA: #686 of 1,838 inventorsTop 40%
Virginia: #12,799 of 34,511 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Christopher Robbins has been granted 2 US patents while listed as an inventor at Lummus Technology. The first was granted in 1984 and the most recent in July 2021. Christopher Robbins ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Christopher Robbins in Arlington, VA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11053177 Process for the production of high purity isobutylene Martinus J. Almering 2021-07-06
4440047 Uni-directional drive wrench 1984-04-03