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

Jefrey E. Walker — 3 Patents

VIVarco I/P: 3 patents #46 of 168Top 30%
Lafayette, LA: #198 of 823 inventorsTop 25%
Louisiana: #2,243 of 10,876 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Jefrey E. Walker has been granted 3 US patents while listed as an inventor at Varco I/P. The first was granted in 2003 and the most recent in August 2005. Jefrey E. Walker ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Jefrey E. Walker in Lafayette, LA, US.

Patents per Year

Patents granted per year, 2003 to 2005Bar chart with a peak of 1 patents in 2003.peak 12003: 1 patents20032004: 1 patents20042005: 1 patents2005

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6932883 Screens for vibratory separators Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, David Schulte, Charles N. Gricher +2 more 2005-08-23
6736270 Glued screens for shale shakers Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, David W. Largent, David Schulte +3 more 2004-05-18
6669985 Methods for making glued shale shaker screens Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, David W. Largent, David Schulte +3 more 2003-12-30