| 6828026 |
Hollow balls and a method for producing hollow balls and for producing light-weight structural components by means of hollow balls |
Frank Bretschneider, Juergen Brueckner, Guenter Stephani, Lothar Schneider, Ulf Waag +2 more |
2004-12-07 |
| 4821791 |
Melting furnace for producing strand-cast ingots in a protective gas atmosphere |
Hans Aichert, Hermann Stumpp, Walter Dietrich, Michael Kiessling |
1989-04-18 |
| 4730661 |
Process and device for melting and remelting metals in particle form into strands, especially into slabs |
— |
1988-03-15 |
| 4295808 |
Apparatus for the production of high-purity metal powder by means of electron beam heating |
Hans Aichert, Joseph Heimerl |
1981-10-20 |
| 4258645 |
Coupling for stationary and movable vacuum chambers |
Hans Aichert, Friedrich Stark, Otto-Horst Hoffmann |
1981-03-31 |
| 4238525 |
Method and apparatus for vacuum depositing thin coatings using electron beams |
Hans Aichert, Walter Dietrich, Friedrich Stark |
1980-12-09 |
| 4237148 |
Method of vaporizing alloys of metals having different vapor pressures |
Hans Aichert, Otto-Horst Hoffman |
1980-12-02 |
| 4233515 |
Instrument for determining the radiation parameters of a focused charged-particle beam and method |
Walter Dietrich |
1980-11-11 |
| 4233342 |
Method for vapor-coating turbine buckets |
Hans Aichert, Walter Dietrich, Otto-Horst Hoffmann, Friedrich Stark |
1980-11-11 |
| 4230739 |
Method of evaporating melts of alloys of metals having different vapor pressures |
Hans Aichert, Walter Dietrich, Alfred Hauff, Peter Sommerkamp |
1980-10-28 |
| 4226587 |
Heating system for vacuum coating apparatus |
Hans Aichert, Otto-Horst Hoffmann, Friedrich Stark |
1980-10-07 |
| 4218410 |
Method for the production of high-purity metal powder by means of electron beam heating |
Hans Aichert, Joseph Heimerl |
1980-08-19 |
| 4214015 |
Method of coating metal substrates with alloys at elevated substrate temperatures |
— |
1980-07-22 |
| 4208042 |
Evaporating crucible |
Hans Aichert, Walter Dietrich, Alfred Hauff, Otto-Horst Hoffmann |
1980-06-17 |
| 4192253 |
Vacuum coating apparatus |
Hans Aichert, Friedrich Stark, Otto-Horst Hoffmann |
1980-03-11 |
| 4184448 |
Vacuum coating apparatus having a plurality of lock chambers |
Hans Aichert, Walter Dietrich, Alfred Hauff, Friedrich Stark |
1980-01-22 |