Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803296 | Collapsible, stackable, hard-sided container | — | 1998-09-08 |
| 5771861 | Apparatus and method for accurately controlling fuel injection flow rate | Keith L. Musser, Daniel D. Wilhelm, James Hugh Ross, Jeffrey P. Seger, Michael J. Ruth +4 more | 1998-06-30 |
| 5766387 | Method of making a polyurethane pad covering | Robert Wolf, Scott M. Purrington, John M. Brandner, John F. Reed | 1998-06-16 |
| 5746341 | Collapsible, stackable, hard-sided container | — | 1998-05-05 |
| 5669797 | Polyurethane pad covering | Robert Wolf, Scott M. Purrington, John M. Brandner, John F. Reed | 1997-09-23 |
| 5658641 | Filter media haing an undulated surface | Michael R. Berrigan | 1997-08-19 |
| 5658640 | Electret filter media having an undulated surface | Michael R. Berrigan | 1997-08-19 |
| 5643507 | Filter media having an undulated surface | Michael R. Berrigan | 1997-07-01 |
| 5641555 | Cup-shaped filtration mask having an undulated surface | Michael R. Berrigan | 1997-06-24 |
| 5593769 | Polyurethane pad covering for gel filled articles | Robert Wolf, Scott M. Purrington, John M. Brandner, John F. Reed | 1997-01-14 |
| 5411003 | Viscosity sensitive auxiliary circuit for hydromechanical control valve for timing control of tappet system | Walter W. Eberhard, John J. McCosby, Paul Douglas Free, Jerome Long | 1995-05-02 |
| 5360654 | Sorbent articles | Philip A. Anderson, Ronald R. Gorke, Thomas I. Insley, Daniel E. Meyer | 1994-11-01 |
| 5219468 | Method for dewatering using addition of water to facilitate material movement | — | 1993-06-15 |
| 5106397 | Air cleaner/noise silencer assembly | Tadeusz Jaroszczyk | 1992-04-21 |
| 5030069 | Material moving pump | — | 1991-07-09 |
| 5024200 | Viscosity responsive pressure regulator and timing control tappet system incorporating the same | Paul Douglas Free, B. Doszpoly, Tibor J. Villanyi | 1991-06-18 |
| 4897194 | Liquid separating apparatus | — | 1990-01-30 |
| 4407408 | Feed conveyor | — | 1983-10-04 |
| 4322023 | Material moving apparatus | — | 1982-03-30 |
| 4209493 | Combination catalytic converter and muffler for an exhaust system | — | 1980-06-24 |