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

Stephen J. Galayda — 3 Patents

PTProcess Technologies: 3 patents #2 of 9Top 25%
Auburn, WA: #151 of 480 inventorsTop 35%
Washington: #28,186 of 76,902 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Stephen J. Galayda has been granted 3 US patents while listed as an inventor at Process Technologies. The first was granted in 1993 and the most recent in March 1995. Stephen J. Galayda ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Stephen J. Galayda in Auburn, WA, US.

Patents per Year

Patents granted per year, 1993 to 1995Bar chart with a peak of 1 patents in 1993.peak 11993: 1 patents19931994: 1 patents19941995: 1 patents1995

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5397552 Method and apparatus for use in photochemically oxidizing gaseous organic compounds Theodore S. Weigold, Orville B. Guyer 1995-03-14 $15,000
5374404 Method and apparatus for use in photochemically oxidizing gaseous halogenated organic compounds Theodore S. Weigold, Orville B. Guyer 1994-12-20 $30,000
5260036 Method and apparatus for use in photochemically oxidizing gaseous halogenated organic compounds Theodore S. Weigold, Orville B. Guyer 1993-11-09 $16,000