Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10640962 | Method and apparatus for controlling a waste outlet of a toilet | Thao Hoang, Bradley J. Buniak, Christian C. Kurshinsky, Stephen M. Niznik, William E. Pedersen | 2020-05-05 |
| 10202747 | Method and apparatus for controlling a waste outlet of a toilet | Thao Hoang, Bradley J. Buniak, Christian C. Kurshinsky, Stephen M. Niznik, William E. Pedersen | 2019-02-12 |
| 10041241 | Method and apparatus for installation of a toilet system on an aircraft | Christopher Hardwick, Thao Hoang, Bradley J. Buniak, Stephen M. Niznik, William E. Pedersen +1 more | 2018-08-07 |
| 9951504 | Apparatus for controlling a toilet system | Thao Hoang, Bradley J. Buniak, Stephen M. Niznik, William E. Pedersen | 2018-04-24 |
| 9422706 | Rinse valve for vacuum waste system | Thao Hoang, Christopher Hardwick | 2016-08-23 |
| 8607370 | Flush valve and vacuum generator for vacuum waste system | Thao Hoang, Christopher Hardwick, Robin Whitt, Greg King | 2013-12-17 |
| 8578959 | Rinse valve for vacuum waste system | Thao Hoang, Christopher Hardwick | 2013-11-12 |
| 8291525 | Vacuum waste system and method for using the same | Christopher Hardwick, Thao Hoang, Steven Whisler | 2012-10-23 |
| 7998251 | Vortex waste separator apparatus | Christopher Hardwick, Derek Vaughan, Thao Hoang, Michael Funk | 2011-08-16 |
| 7998250 | Multiple vortex waste separator apparatus | Christopher Hardwick, Derek Vaughan, Thao Hoang, Michael Funk | 2011-08-16 |
| D619227 | Bowl for vacuum waste system | Christopher Hardwick, Thao Hoang, Steven Whisler | 2010-07-06 |
| D619228 | Vacuum waste system | Christopher Hardwick, Thao Hoang, Steven Whisler | 2010-07-06 |
| D618775 | Vacuum waste system | Christopher Hardwick, Thao Hoang, Steven Whisler | 2010-06-29 |
| 7690053 | Vacuum toilet assembly | — | 2010-04-06 |
| 7533426 | Gray water interface valve systems and methods | — | 2009-05-19 |
| 6732386 | Rinse fluid valve for a vacuum toilet | William Bruce Anderson, Douglas M. Wallace, Jay D. Stradinger, Michael B. Hancock, Arthur J. McGowan, Jr. +1 more | 2004-05-11 |
| 6704947 | Discharge valve for a vacuum toilet | Jay D. Stradinger, William Bruce Anderson, Douglas M. Wallace, Michael B. Hancock, Arthur J. McGowan, Jr. +1 more | 2004-03-16 |
| 6651837 | Vacuum waste tank | Jay D. Stradinger | 2003-11-25 |
| 6536055 | Modular vacuum toilet with line replaceable units | Jay D. Stradinger, William Bruce Anderson, Arthur J. McGowan, Jr., Douglas M. Wallace, Ian Tinkler +1 more | 2003-03-25 |
| 6536054 | Vacuum toilet bowl assembly having removable bowl | William Bruce Anderson, Jay D. Stradinger, Douglas M. Wallace, Arthur J. McGowan, Jr., Michael B. Hancock +1 more | 2003-03-25 |
| 6453481 | Vacuum waste system having a vacuum control valve | Frederick Larry Obee | 2002-09-24 |
| 6434759 | Automatically operable lid for a vacuum waste receptacle | Michael B. Hancock | 2002-08-20 |
| 6385789 | Vacuum gallery waste disposal system | Mitchell D. Gilbert, LaVern R. McCallips | 2002-05-14 |
| 6370709 | Discharge valve having a disk with a flushing aperture and an air intake aperture for a vacuum toilet | Jay D. Stradinger, William Bruce Anderson, Douglas M. Wallace, Michael B. Hancock, Arthur J. McGowan, Jr. +1 more | 2002-04-16 |
| 6353942 | Modular vacuum toilet with line replaceable units | Jay D. Stradinger, William Bruce Anderson, Arthur J. McGowan, Jr., Douglas M. Wallace, Ian Tinkler +1 more | 2002-03-12 |