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

Walter D. Fields — 3 Patents

Tektronix: 3 patents #378 of 1,698Top 25%
Beaverton, OR: #1,355 of 3,140 inventorsTop 45%
Oregon: #10,287 of 28,073 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Walter D. Fields has been granted 3 US patents while listed as an inventor at Tektronix. The first was granted in 1989 and the most recent in March 1995. Walter D. Fields ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Walter D. Fields in Beaverton, OR, US.

Patents per Year

Patents granted per year, 1989 to 1995Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19891991: 1 patents19911995: 1 patents1995

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5402019 Phase startable clock device William S. Drummond, Arthur J. Metz 1995-03-28 $4,646,000
5068614 Swept frequency domain relectometry enhancement Linley F. Gumm 1991-11-26 $1,297,000
4821007 Strip line circuit component and method of manufacture Gary K. Larkins 1989-04-11 $884,000