Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834790 | Systems and methods for providing doctor blade holders with vibration mitigation | Robert P. Johnson, David Leeman | 2023-12-05 |
| 9518359 | Doctor blade holder systems | David Leeman, Robert P. Johnson | 2016-12-13 |
| 9506192 | Systems and methods for doctor blade load and vibration measurement as well as blade vibration mitigation | Robert P. Johnson | 2016-11-29 |
| 8898851 | Doctor blade holder | David Leeman, Robert P. Johnson | 2014-12-02 |
| 8719996 | Systems and methods for cleaning and conditioning a moving surface | Royal Gauvin, Robert P. Johnson, Normand Boucher | 2014-05-13 |
| 8435385 | Systems and methods for cleaning and conditioning a moving surface using cleaning apparatus with plate elements for mounting to doctor blade holders | Royal Gauvin, Marcelo De Boni, Daire Kavanagh | 2013-05-07 |
| 8337666 | Systems and methods for providing improved dewatering performance in a papermaking machine | Robert P. Johnson, David Leeman | 2012-12-25 |
| 8337667 | Systems and methods for providing improved dewatering performance in a papermaking machine | Robert P. Johnson, David Leeman | 2012-12-25 |
| 8293074 | Systems and methods for cleaning and conditioning a moving surface using cleaning apparatus with plate elements for mounting to doctor blade holders | Royal Gauvin, Marcelo De Boni, Daire Kavanagh | 2012-10-23 |
| 6867155 | Non-abrasive composite doctor blade | Stacey JACKSON | 2005-03-15 |
| 6786999 | Doctor blade holder | Ronald F. Goodnow, Robert A. Reid | 2004-09-07 |
| 6524444 | Removable doctor blade holder | Robert A. Reid, Ronald F. Goodnow | 2003-02-25 |
| 6328853 | Compliant top plate doctoring apparatus | Ronald F. Goodnow, David James Benoit | 2001-12-11 |