Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397469 | Honeycomb extrusion dies and methods of using and making same | Min Shen | 2025-08-26 |
| 12194449 | Low bulk density, high geometric surface area honeycomb bodies | David Jack Bronfenbrenner | 2025-01-14 |
| 12049429 | Honeycomb body with a cutout portion and method of manufacturing same | Darryl Lynn Dunning, Jennifer Schlehr O'Brien | 2024-07-30 |
| 11505503 | Ceramic honeycomb bodies and manufacture | Marcia K. Hansen, Elizabeth Marie Vileno | 2022-11-22 |
| 10328627 | Die assembly and method of extruding cellular ceramic substrates with a skin | — | 2019-06-25 |
| 9878958 | Dimensional control of ceramic structures via composition | David Jack Bronfenbrenner | 2018-01-30 |
| 9233488 | Die assembly and method of extruding cellular ceramic substrates with a skin | — | 2016-01-12 |
| 8491295 | Die assembly and method of extruding cellular ceramic substrates with a skin | — | 2013-07-23 |
| 6748768 | Apparatus and method of doping silica with fluorine during laydown | Vaidyanathan Srikant, Jeffery Scott Stone | 2004-06-15 |
| 6237712 | Controlled two-speed axle shifting with automatic transmission | Burnell L. Bender | 2001-05-29 |
| 6234586 | Parking brake lock-in key switch system for vehicle air brake system | Richard B. Davis, Robert L. Douglas, Brad A. Hively, Terry E. Hively, Roy S. Zeitlow | 2001-05-22 |
| 6007159 | Parking brake lock-in key switch system for vehicle air brake system | Richard B. Davis, Robert L. Douglas, Brad A. Hively, Terry E. Hively, Roy S. Zeitlow | 1999-12-28 |
| 5853348 | Park position locking system for steering column transmission shifter | — | 1998-12-29 |
| 5451188 | Driver-controlled differential lock control system | Anthony J. Kraft, David A. Schaller, Charles D. Sims, William R. Heign | 1995-09-19 |