Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert M. Blubaugh — 1 Patent

COConoco: 1 patents #310 of 638Top 50%
Ponca City, OK: #283 of 444 inventorsTop 65%
Oklahoma: #6,834 of 12,736 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert M. Blubaugh has been granted 1 US patent while listed as an inventor at Conoco. All of these patents were granted in 1986. Robert M. Blubaugh ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert M. Blubaugh in Ponca City, OK, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4586852 Apparatus for the reclamation of slurry from the bottom of a storage silo Ronald L. Oda, Jeffrey L. Beck, Gary R. Harris, Ricky L. Shaw, Michael P. Evans 1986-05-06