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USPTO Patent Rankings Data through Dec 31, 2025
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Patrick E. Welborn — 5 Patents

Tektronix: 3 patents #378 of 1,698Top 25%
HP: 2 patents #7,666 of 7,018Top 110%
Tualatin, OR: #101 of 324 inventorsTop 35%
Oregon: #7,391 of 28,073 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Patrick E. Welborn has been granted 5 US patents while listed as an inventor at Tektronix. The first was granted in 1989 and the most recent in October 1999. Patrick E. Welborn ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Patrick E. Welborn in Tualatin, OR, US.

Patents per Year

Patents granted per year, 1989 to 1999Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19891993: 1 patents19931995: 1 patents19951997: 1 patents19971999: 1 patents1999

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5963716 Bi-directional data stream decompression David Hall 1999-10-05 $64,670,000
5649074 Raster image data compression method and system 1997-07-15 $52,777,000
5398297 Improved color rendering method for intensity-variable printing based upon a dithering table Jeffery J. Clark, Brian G. Crosby, Bo Lewendal, Christopher D. Shaver, Gregory P. Thornton 1995-03-14 $9,455,000
5243414 Color processing system John C. Dalrymple, Christopher D. Shaver 1993-09-07 $4,954,000
4823189 Method and apparatus for creating a dither pattern Douglas I. Haines 1989-04-18 $445,000