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Ipsen International, Gmbh

USPTO Granted Patents = 18

% Expired Patents = 27.8

EPO Patents = 15

Trademarks = 8

Forward Citations = 48

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21 inventors (with patents filed for the assignee):

Bernd Edenhofer (6 out of 16 patents)

Craig A Moller (5 out of 16 patents)

Wolfgang Lerche (3 out of 4 patents)

4. Wayne Mitten (2 out of 2 patents)

5. Michael Lohrmann (2 out of 2 patents)

6. Heinrich K Feichtinger (2 out of 16 patents)

7. Peter Haase (1 out of 4 patents)

8. Hendrik Grobler (1 out of 1 patent)

9. Wolfgang Peter (1 out of 4 patents)

10. Jan-Willem Bouwman (1 out of 1 patent)

11. Hansjakob Drissen (1 out of 2 patents)

12. Winfried Gräfen (1 out of 1 patent)

13. Walter Ooster (1 out of 1 patent)

14. Leonard Ohrin (1 out of 1 patent)

15. William McVeigh (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 8313586 - Method and device for thermal treatment of metallic materials (2012-11-20),

2. 7559995 - Method for heat treatment of metal workpieces as well as a heat-treated workpiece (2009-07-14),

3. 7255829 - Method and apparatus for treatment of metallic workpieces (2007-08-14),

4. 7160576 - Method and device for blacking components (2007-01-09),

5. 7028567 - Process as well as device for measuring a component amount released during a thermo-chemical treatment of metallic work piece from the gaseous atmosphere (2006-04-18),

6. 6941828 - Process as well as device for measuring a component amount released during a thermo-chemical treatment of metallic work piece from the gaseous atmosphere (2005-09-13),

7. 6910614 - Vacuum compression brazing furnace and method of using same (2005-06-28),

8. 6903306 - Directional cooling system for vacuum heat treating furnace (2005-06-07),

9. 6794618 - Method for electrical heating of furnaces for heat treatment of metallic workpieces (2004-09-21),

10. 6756566 - Convection heating system for vacuum furnaces (2004-06-29),

11. 6749800 - Arrangement and method for transporting metallic work pieces, and system for heat treatment of said work pieces (2004-06-15),

12. 6533991 - Cooling gas injection nozzle for a vacuum heat treating furnace (2003-03-18),

13. 6406560 - Method for the thermal treatment of metal (2002-06-18),

14. 6328819 - Method and use of an apparatus for the thermal treatment, in particular nitriding treatment, of metal workpieces (2001-12-11),

15. 6307874 - Expansion loops for heating elements in vacuum furnaces (2001-10-23),

Ipsen International GmbH is a global leader in the design, manufacture, and service of heat treatment equipment and thermal processing solutions. With over 70 years of experience, Ipsen offers innovative and efficient solutions for a wide range of industries including aerospace, automotive, energy, and medical. Through a combination of advanced technology, engineering expertise, and a commitment to sustainability, Ipsen delivers high-quality products that meet the unique needs of its customers worldwide.

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

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USPTO Data Jan 1 1976 - Sep 29 2026

18 Patents

#3 in Kleve

#2,390 in Germany

#34,146 in the World

Ipsen International, Gmbh

Forward Citations = 48

21 inventors:

Bernd Edenhofer (6 out of 16 patents)

Craig A Moller (5 out of 16 patents)

Wolfgang Lerche (3 out of 4 patents)

4. Wayne Mitten (2 out of 2 patents)

5. Michael Lohrmann (2 out of 2 patents)

Please report any incorrect information to [email protected]

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