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Ald Vacuum Technologies Ag

USPTO Granted Patents = 15

EPO Patents = 2

Trademarks = 1

Forward Citations = 59

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38 inventors (with patents filed for the assignee):

Harald Scholz (3 out of 14 patents)

Franz Hugo (3 out of 26 patents)

Matthias Blum (3 out of 13 patents)

4. Arno Niebling (2 out of 5 patents)

5. Karl-Heinz Grosse (2 out of 6 patents)

6. Peter Busse (2 out of 4 patents)

7. Georg Jarczyk (2 out of 8 patents)

8. Jürgen Lemke (2 out of 2 patents)

9. Helmut Eberhardt (2 out of 3 patents)

10. Karl Herchenröther (2 out of 2 patents)

11. Wilfried Goy (2 out of 8 patents)

12. Erwin Wanetzky (2 out of 14 patents)

13. Albrecht Melber (2 out of 10 patents)

14. Thomas Ruppel (2 out of 2 patents)

15. Wilfried Zenker (2 out of 2 patents)

15 patents: Sort by Forward Citations

1. 6973116 - Method and device for equalizing the pressures in the melting chamber and the cooling water system of a special melting unit (2005-12-06),

2. 6913449 - Apparatus for the treatment of metallic workpieces with cooling gas (2005-07-05),

3. 6725902 - Process and apparatus for producing precision castings (2004-04-27),

4. 6689995 - Apparatus and method for healing a workpiece of metal (2004-02-10),

5. 6677560 - Apparatus for inductively heating a workpiece (2004-01-13),

6. 6616724 - Method and apparatus for evaporating components of multiple substance mixtures and multiple substance systems (2003-09-09),

7. 6554922 - Method and apparatus for determining the cooling action of a flowing gas atmosphere on workpieces (2003-04-29),

8. 6540012 - Electroslag remelting plant with a mould and a hood (2003-04-01),

9. 6533990 - Apparatus for distilling molten baths (2003-03-18),

10. 6443212 - Method and apparatus for the production of precision castings by centrifugal casting (2002-09-03),

11. 6207931 - Method for the heat treatment of workpieces (2001-03-27),

12. 6147328 - Apparatus for the heat treatment of workpieces (2000-11-14),

13. 6109992 - Inductive base detachment method (2000-08-29),

14. 6109926 - Rotary conductor rail leadthrough (2000-08-29),

15. 6101212 - Sealed evacuatable crucible for inductive melting or superheating (2000-08-08),

ALD Vacuum Technologies AG is a global leader in vacuum process technology for metallurgy, heat treatment, and coating applications. With over 70 years of experience, ALD offers a comprehensive range of vacuum furnace systems and equipment tailored to the specific needs of customers in a variety of industries.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

15 Patents

#23 in Hanau

#2,765 in Germany

#38,669 in the World

Ald Vacuum Technologies Ag

Forward Citations = 59

38 inventors:

Harald Scholz (3 out of 14 patents)

Franz Hugo (3 out of 26 patents)

Matthias Blum (3 out of 13 patents)

4. Arno Niebling (2 out of 5 patents)

5. Karl-Heinz Grosse (2 out of 6 patents)

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