Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D631527 | Key for a water filter assembly | David Swain | 2011-01-25 |
| 7837876 | Water purifying apparatuses | Jinwan Ye, David Swain | 2010-11-23 |
| D620549 | Water filter assembly having a key | David Swain | 2010-07-27 |
| D610225 | Key for a water filter assembly | David Swain | 2010-02-16 |
| D597642 | Thermal storage air conditioner | Gary F. Kaiser, Thomas W. Graves, Jeffrey T. Samson | 2009-08-04 |
| D538412 | Heat exchanger support | Lynn Dale Simmons | 2007-03-13 |
| 6926821 | Water treatment device with volumetric and time monitoring features | Thomas W. Graves, James M. Jennings, Mark Vander Berg, William James A. Storer, Douglas R. Gibbs +1 more | 2005-08-09 |
| 6517707 | Water treatment device with volumetric and time monitoring features | Thomas W. Graves, James M. Jennings, Mark Vander Berg, William James A. Storer, Douglas R. Gibbs +1 more | 2003-02-11 |
| 6284129 | Water treatment device with volumetric and time monitoring features | Thomas W. Graves, James M. Jennings, Mark Vander Berg, William James A. Storer, Douglas R. Gibbs +1 more | 2001-09-04 |
| 6149801 | Water treatment device with volumetric monitoring features | Thomas W. Graves, James M. Jennings, Mark Vander Berg, William James A. Storer, Douglas R. Gibbs +1 more | 2000-11-21 |
| 6106705 | Water treatment device with volumetric and time monitoring features | Thomas W. Graves, James M. Jennings, Mark Vander Berg, William James A. Storer, Douglas R. Gibbs +1 more | 2000-08-22 |
| 5935426 | Water treatment device with volumetric and time monitoring features | Thomas W. Graves, James M. Jennings, Mark Vander Berg, William James A. Storer, Douglas R. Gibbs +1 more | 1999-08-10 |
| 5151180 | Radial and axial flow stage filter device | Mark O'Brien, Raymond M. Petrucci, Bruce G. Taylor | 1992-09-29 |
| 5126043 | Radial and axial flow filter device | Raymond M. Petrucci, Mark O'Brien | 1992-06-30 |
| D322836 | Top cap of a quick-change filter cartridge | Raymond M. Petrucci, Bruce G. Taylor, James M. Padilla, Carl Palmer | 1991-12-31 |
| D321394 | Quick-change filter cartridge | Raymond M. Petrucci, Bruce G. Taylor, James M. Padilla, Carl Palmer | 1991-11-05 |
| D320256 | Combined water filter and stand therefor or similar article | Raymond M. Petrucci | 1991-09-24 |
| D317040 | Combined quick-change filter cartridge and head | Raymond M. Petrucci, Bruce G. Taylor, James M. Padilla, Carl Palmer | 1991-05-21 |
| D315013 | Head for a quick-change filter cartridge | Raymond M. Petrucci, Bruce G. Taylor, James M. Padilla, Carl Palmer | 1991-02-26 |
| D314809 | Head for a quick-change filter cartridge | Raymond M. Petrucci, Bruce G. Taylor, James M. Padilla, Carl Palmer | 1991-02-19 |
| D313832 | Combined quick-change filter cartridge and head | Raymond M. Petrucci, Bruce G. Taylor, James M. Padilla, Carl Palmer | 1991-01-15 |
| 4948505 | Quick-change filter cartridge and head therefor | Raymond M. Petrucci, Bruce G. Taylor, James M. Padilla, Carl Palmer | 1990-08-14 |
| D306755 | Head for a quick-change filter cartridge | Raymond M. Petrucci, Bruce G. Taylor, James M. Padilla, Carl Palmer | 1990-03-20 |
| D306754 | Combined quick-change filter cartridge and head | Raymond M. Petrucci, Bruce G. Taylor, James M. Padilla, Carl Palmer | 1990-03-20 |
| 4882061 | Filter apparatus | Raymond M. Petrucci, Bruce Hafner, Bruce G. Taylor | 1989-11-21 |