Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500131 | Compositions and methods for water treatment | — | 1996-03-19 |
| 5476250 | Machine for piercing a taphole for a shaft furnace | Emile Lonardi, Pierre Mailliet, Guy Thillen, Radomir Andonov, Philippe Malivoir | 1995-12-19 |
| 5348430 | Universal chuck for a machine for piercing a tap hole of a shaft furnace | Patrick Millen, Henri Radoux, Fernand Roemen | 1994-09-20 |
| 5338013 | Machine for piercing a taphole for a shaft furnace | Emile Lonardi, Pierre Mailliet, Guy Thillen, Radmir Andonov, Philippe Malivoir | 1994-08-16 |
| 5333839 | Machine for boring a tap hole of a shaft furnace | Emile Lonardi, Philippe Malivoir, Fernand Roemen, Patrick Milen | 1994-08-02 |
| 5308047 | Machine for piercing a taphole for a shaft furnace | Emile Lonardi, Pierre Mailliet, Guy Thillen, Radomir Andonov, Philippe Malivoir | 1994-05-03 |
| 5246208 | Method for botting the tap hole of a shaft furnace and botting machine for the implementation of this method | Pierre Mailliet | 1993-09-21 |
| 5192489 | Device for opening the taphole of a shaft furnace | Pierre Mailliet, Henri Radoux | 1993-03-09 |
| 5056968 | Device for coupling a rod for drilling a taphole | Severino Venturini | 1991-10-15 |
| 5039068 | Machine for drilling tapholes of a shaft furnace | Severino Venturini, Pierre Mailliet | 1991-08-13 |
| 4893794 | Device for mounting a gripper to a piercing machine | Pierre Mailliet | 1990-01-16 |
| 4796869 | Suspension and anchorage device for a rail-mounted movable plugging machine for metallurgical furnaces | Pierre Mailliet | 1989-01-10 |
| 4557468 | Apparatus for plugging the taphole of a shaft furnace | Pierre Mailliet, Leon Ulveling | 1985-12-10 |
| 4227682 | Guide and support structure for furnace taphole plugging or drilling device | Leon Ulveling, Pierre Mailliet | 1980-10-14 |
| 4201373 | Guiding and positioning mechanism for a plugging or drilling device | Leon Ulveling, Pierre Mailliet | 1980-05-06 |
| 4195825 | Compact apparatus for drilling and plugging tap holes | Leon Ulveling | 1980-04-01 |