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

Edward G. Dew — 4 Patents

COConoco: 3 patents #121 of 638Top 20%
Houston, TX: #5,436 of 21,073 inventorsTop 30%
Texas: #33,915 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Edward G. Dew has been granted 4 US patents while listed as an inventor at Conoco. The first was granted in 1989 and the most recent in November 1994. Edward G. Dew ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Edward G. Dew in Houston, TX, US.

Patents per Year

Patents granted per year, 1989 to 1994Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19891990: 1 patents19901993: 1 patents19931994: 1 patents1994

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5363929 Downhole fluid motor composite torque shaft Jerry G. Williams, Monib M. Monib, Mamdouh M. Salama, David H. Schwartz 1994-11-15
5219028 Well casing and well casing method James W. Martin 1993-06-15
4890675 Horizontal drilling through casing window 1990-01-02
4843317 Method and apparatus for measuring casing wall thickness using a flux generating coil with radial sensing coils and flux leakage sensing coils 1989-06-27