Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9833755 | System for mixing/blending fine bulk materials | Curtis Wykoff, Joseph Anthony Hauser | 2017-12-05 |
| 9254935 | Bulk material handling system and carrier therefor | Steven S. Kelchner, Joseph Anthony Hauser | 2016-02-09 |
| 7967546 | System and method for handling containers of bulk particulate materials | John W. Pfeiffer, Anthony Boroch | 2011-06-28 |
| 7384230 | System and method for handling containers of bulk particulate materials | John W. Pfeiffer, Anthony Boroch | 2008-06-10 |
| 7244087 | System and method for unloading bulk powder from large bulk containers | Catherine Wilson, Timothy Allan Bell, John D. Connolly, Jr., Peter Clark, Andrew Mitchell | 2007-07-17 |
| 7231947 | System for pneumatically conveying bulk materials with improved discharge arrangement | Anthony Boroch | 2007-06-19 |
| 7229242 | System and method for unloading bulk powder from large bulk containers | Timothy Allan Bell, Peter Clark, John D. Connolly, Jr., Catherine Wilson, Andrew Mitchell | 2007-06-12 |
| 7073985 | System for pneumatically conveying bulk particulate materials | John W. Pfeiffer | 2006-07-11 |
| 7063493 | System and method for handling containers of bulk particulate materials | John W. Pfeiffer, Anthony Boroch | 2006-06-20 |
| 6964544 | System for pneumatically conveying bulk particulate materials | John W. Pfeiffer | 2005-11-15 |
| 6837403 | High pressure rotary valve with sound reduction means | — | 2005-01-04 |
| 6796749 | System for pneumatically conveying bulk particulate materials | John W. Pfeiffer | 2004-09-28 |
| 6722822 | System for pneumatically conveying bulk particulate materials | John W. Pfeiffer | 2004-04-20 |
| 6719500 | System for pneumatically conveying bulk particulate materials | John W. Pfeiffer | 2004-04-13 |
| 6682290 | System for handling bulk particulate materials | John W. Pfeiffer | 2004-01-27 |
| 6609871 | System for handling bulk particulate materials | John W. Pfeiffer | 2003-08-26 |
| 5076317 | Rotor handling system for rotary valves | Fred C. DeWire, Galen S. Ingram, Robert F. Flook | 1991-12-31 |
| 5070910 | Diverter valve with improved sealing means | Galen S. Ingram, Andrew Mitchell | 1991-12-10 |