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USPTO Patent Rankings Data through Dec 31, 2025
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David E. O'Ryan — 12 Patents

NONordson: 7 patents #133 of 1,063Top 15%
AAAbb Flexible Automation: 3 patents #4 of 41Top 10%
DIDurr Industries: 1 patents #7 of 23Top 35%
Avon Lake, OH: #30 of 284 inventorsTop 15%
Ohio: #6,508 of 73,341 inventorsTop 9%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
David E. O'Ryan has been granted 12 US patents while listed as an inventor at Nordson. The first was granted in 1985 and the most recent in August 2007. David E. O'Ryan ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list David E. O'Ryan in Avon Lake, OH, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7258784 Solid liquid filtration apparatus and method Thomas P. Tripepi, Frank Schimmelmann, Timothy Hanna, Urs Herding 2007-08-21
6471737 Underbooth powder paint collector David Cole, Charlotte E. Kelly, Richard D. Burke 2002-10-29
5782943 Integrated powder collection system for paint spray booths Richard D. Burke 1998-07-21 $440,000
5766355 Exhaust arrangements for powder spray booth Leif E. B. Josefsson 1998-06-16 $264,000
5603566 Powder hopper with internal air assist Richard D. Burke 1997-02-18 $416,000
5017324 Method for depositing particulate material into a pad of fibrous material in a forming chamber Thomas Kaiser, Douglas C. Mulder, Douglas A. Schneider, Rodney Ward 1991-05-21 $1,365,000
RE33482 Adjustable powder spray gun Douglas C. Mulder 1990-12-11
4927346 Apparatus for depositing particulate material into a pad of fibrous material in a forming chamber Thomas Kaiser, Douglas C. Mulder, Douglas A. Schneider, Rodney Ward 1990-05-22 $2,771,000
4634058 Powder spray gun Thomas E. Hollstein, Joseph C. Waryu 1987-01-06 $2,247,000
4630777 Powder spray gun Thomas E. Hollstein, James J. Turner, Douglas C. Mulder 1986-12-23 $1,020,000
4613083 Adjustable powder spray gun Douglas C. Mulder 1986-09-23 $452,000
4561380 Method and apparatus for powder coating a moving web Douglas C. Mulder 1985-12-31 $684,000