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

Robert Jeffries — 3 Patents

Schlumberger Technology: 1 patents #3,946 of 7,293Top 55%
Rogers, AR: #71 of 334 inventorsTop 25%
Arkansas: #1,291 of 5,804 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert Jeffries has been granted 3 US patents while listed as an inventor at Schlumberger Technology. The first was granted in 2001 and the most recent in January 2007. Robert Jeffries ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert Jeffries in Rogers, AR, US.

Patents per Year

Patents granted per year, 2001 to 2007Bar chart with a peak of 1 patents in 2001.peak 12001: 1 patents20012004: 1 patents20042007: 1 patents2007

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7155967 Formation testing apparatus and method Erik Rylander, Glenn Houston, Sammy Haddad 2007-01-02
6712764 Intraocular pressure monitoring/measuring apparatus and method Lee Birchansky 2004-03-30
6193656 Intraocular pressure monitoring/measuring apparatus and method Lee Birchansky 2001-02-27