Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681943 | Railcar draft gear assembly and system | Ronald E. Barker, Charles E. Burkhart, Marlin E. Clark, John F. Deppen, Horst T. Kaufhold +3 more | 2004-01-27 |
| 6446820 | Railcar draft gear assembly and system | Ronald E. Barker, Charles E. Burkhart, Marlin E. Clark, John F. Deppen, Horst T. Kaufhold +3 more | 2002-09-10 |
| 6371033 | High capacity integrated railway car truck | Stephen W. Smith, John W. Coulborn, Samuel R. Williams, C. Dale Christie, John D. Oliver +1 more | 2002-04-16 |
| 6199889 | Reduced weight fifth wheel assembly | Ronald D. Golembiewski, John W. Kaim, Jeffrey Ruback | 2001-03-13 |
| 6173655 | Side frame-bolster interface for railcar truck assembly | — | 2001-01-16 |
| 6125767 | Railway truck sideframe with reinforced columns | Charles Moehling, Brian A. Toussaint, Ronald D. Golembiewski | 2000-10-03 |
| 5921186 | Bolster land arrangement for a railcar truck | Charles Moehling, Charles P. Spencer, Terry L. Pitchford | 1999-07-13 |
| 5865458 | Reduced weight fifth wheel assembly | Ronald D. Golembiewski, John W. Kaim, Jeffrey Ruback | 1999-02-02 |
| 5791258 | Railway truck with elastometric suspension | Robert D. Wronkiewicz | 1998-08-11 |
| 5722327 | Device for improving warp stiffness of a railcar truck | Charles P. Spencer, Charles L. Van Auken, Terry L. Pitchford | 1998-03-03 |
| 5572931 | Railcar truck bearing adapter construction | Glen F. Lazar, Norman A. Berg | 1996-11-12 |
| 5524551 | Spring-pack assembly for a railway truck bolster assembly | David J. Goding | 1996-06-11 |
| 5509358 | Railcar truck bearing adapter construction | Glen F. Lazar, Norman A. Berg | 1996-04-23 |
| 5503084 | Device for improving warp stiffness of a railcar truck | David J. Goding | 1996-04-02 |
| 5472223 | Air operated fifth wheel | John W. Kaim | 1995-12-05 |
| 5410968 | Lightweight fatigue resistant railcar truck sideframe with tapering I-beam construction | Donald J. Marlborough, Rami V. Nassar | 1995-05-02 |
| 5331902 | Truck boltser with laterally wider friction show pocket and mechanism for lateral travel of the friction shoe | Anthony R. Hiatt, Franklin S. McKeown, Jr. | 1994-07-26 |
| 5232106 | Railway drawbar with fabricated section | Horst T. Kaufhold | 1993-08-03 |
| 5176396 | Fifth wheel unlocking device with fluid powered redundancy | John W. Kaim | 1993-01-05 |
| 5133467 | Wedge shim and follower block for a railcar articulated connector | Horst T. Kaufhold, John F. Oesch | 1992-07-28 |
| 4589348 | Retrofitted railway car and method of producing same | Gus D. Holabeck, William Alan Mullen, Charles M. Smith | 1986-05-20 |
| 4393957 | Method of eliminating truck hunting in railway trucks | — | 1983-07-19 |
| 4244298 | Freight car truck assembly | Stuart A. Schwam | 1981-01-13 |