Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7543384 | Method of making a variable thickness member for a vehicle | Steven K. Mackenzie | 2009-06-09 |
| 7386938 | Method of joining hydroformed tubular members | Charles J. Bruggemann, Joseph M. Lendway, IV | 2008-06-17 |
| 7322640 | Hydroformed and roll-formed cross sill assembly for vehicles and method of making same | Charles J. Bruggemann | 2008-01-29 |
| 7246832 | Vehicle grille guard assembly | Paul B. Cobble, Eric B. Washington, Matthew J. Noone, Michael J. Pevovar | 2007-07-24 |
| 7204114 | Method of progressive hydro-forming of tubular members | Edward J. Strzelecki | 2007-04-17 |
| 7143618 | Method of making pre-formed tubular members | — | 2006-12-05 |
| 6765170 | Method for single sided spot welding | Chih-Chang Chen, Michael G. Poss, Alexander Michael Turley, Daniel C. Hutchinson | 2004-07-20 |
| 6701598 | Joining and forming of tubular members | Chih-Chang Chen, Peter A. Tropper, Daniel C. Hutchinson | 2004-03-09 |
| 6532639 | Hydroformed tubular structures and methods of making | Tehui Peng, Thomas B. Bartholomew | 2003-03-18 |
| 6386009 | Method and apparatus for hydroforming multiple components with reduced press loading | James Chatterley | 2002-05-14 |
| 6361244 | Hydroformed tubular structures and methods of making | Tehui Peng, Thomas B. Bartholomew | 2002-03-26 |
| 6183013 | Hydroformed side rail for a vehicle frame and method of manufacture | Steven K. Mackenzie, Ferdous M Z Ghazi, John Roby | 2001-02-06 |
| 6055715 | Method for hydroforming a hollow sheet metal body part | Charles J. Bruggemann, William H. Todd, Joseph M. Lendway, IV | 2000-05-02 |
| 5720092 | Method for hydroforming a vehicle space frame | Charles J. Bruggemann | 1998-02-24 |
| 5557961 | Hydroformed structural member with varied wall thickness | Charles J. Bruggemann, Tasnim Hassan, Wallace T. Hall | 1996-09-24 |
| 5431326 | Method of forming a tubular member with separate flange | Charles J. Bruggemann | 1995-07-11 |