Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471737 | Underbooth powder paint collector | David Cole, Charlotte E. Kelly, David E. O'Ryan | 2002-10-29 |
| 5782943 | Integrated powder collection system for paint spray booths | David E. O'Ryan | 1998-07-21 |
| 5603566 | Powder hopper with internal air assist | David E. O'Ryan | 1997-02-18 |
| 5018909 | Powder feed hopper | Gerald W. Crum, Robert J. Holland, Allen Newman, David Moses, William S. Miller +2 more | 1991-05-28 |
| 4910047 | Apparatus for cleaning cartridge filters in a powder spray system | Phillip R. Barnett, Scott Wilson | 1990-03-20 |
| 4887363 | Fluidized bed hopper | — | 1989-12-19 |
| 4723505 | Powder booth | Scott Wilson, Kenneth Kreeger | 1988-02-09 |