Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987569 | Method of surface densification of a powder metal component | Joel H. Mandel, Donald J. Phillips | 2011-08-02 |
| 7287907 | Surface densification of powder metal bearing caps | Joel H. Mandel, Donald J. Phillips | 2007-10-30 |
| 7168858 | Surface densification of powder metal bearing caps | Joel H. Mandel, Donald J. Phillips | 2007-01-30 |
| 6626576 | Duplex powder metal bearing caps and method of making them | Joel H. Mandel | 2003-09-30 |
| 6471406 | Side-bolt bearing caps | Peter C. Butler, Joel H. Mandel | 2002-10-29 |
| 6422755 | Precisely repositioning powder metal components | Lawrence E. Eckstein | 2002-07-23 |
| 6419876 | Machinability of powder metal components | Carl J. Landgraf, Joel H. Mandel | 2002-07-16 |
| 6190605 | Dry die wall lubrication | Joel H. Mandel, Paul R. Roskopf | 2001-02-20 |
| 6148685 | Duplex sprocket/gear construction and method of making same | Joel H. Mandel, Carl J. Landgraf, Timothy E. Geiman | 2000-11-21 |
| 6086258 | Precisely repositionable bearing cap | Lawrence E. Eckstein | 2000-07-11 |
| 6013225 | Surface densification of machine components made by powder metallurgy | Timothy E. Geiman, Joel H. Mandel, Michael S. Gray | 2000-01-11 |
| 5972132 | Progressive densification of powder metallurgy circular surfaces | — | 1999-10-26 |
| 5501529 | Bearing support insert | Carl J. Landgraf, Georgia M. Mayer | 1996-03-26 |