For the Inventor, By the Inventor

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Schorndorf, Germany

Oskar Frech Gmbh +co. Kg

USPTO Granted Patents = 23

EPO Patents = 15

Trademarks = 15

Forward Citations = 12

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21 inventors (with patents filed for the assignee):

Norbert Erhard (17 out of 20 patents)

Daniel Gerner (5 out of 5 patents)

Andreas Sydlo (5 out of 5 patents)

4. Peter Maurer (5 out of 5 patents)

5. Juergen Kurz (4 out of 4 patents)

6. Ronny Aspacher (4 out of 4 patents)

7. Hubert Pschenitschni (4 out of 4 patents)

8. Helmar Dannenmann (3 out of 3 patents)

9. Herbert Trebes (3 out of 4 patents)

10. Dietmar Gerwig (2 out of 2 patents)

11. Ulrich Schraegle (2 out of 4 patents)

12. Marco Beier (1 out of 1 patent)

13. Nikolai Clauss (1 out of 1 patent)

14. Marc Nowak (1 out of 1 patent)

15. Erich Kuhn (1 out of 1 patent)

23 patents: Sort by Forward Citations

1. 12121961 - Die-casting machine having a shut-off valve in the melt inlet channel and operating method (2024-10-22),

2. 11969784 - Plunger system and casting method for a die casting machine (2024-04-30),

3. 11819911 - Die-casting machine and operating method (2023-11-21),

4. 11649836 - Pressure intensifier device, diecasting machine casting unit and operating method (2023-05-16),

5. 11440087 - Plunger system and casting method for a die casting machine (2022-09-13),

6. 11376656 - Casting unit for a die casting machine (2022-07-05),

7. 11338358 - Diecasting tool system (2022-05-24),

8. 11015619 - Pressure intensifier device, diecasting machine casting unit and operating method (2021-05-25),

9. 10766064 - Casting component and method for the application of an anticorrosive layer (2020-09-08),

10. 10618108 - Hot runner feed system for a diecasting mould (2020-04-14),

11. 10441996 - Collapsible core and a casting mold half equipped therewith (2019-10-15),

12. 9993868 - Control device for the advancing motion of a casting plunger (2018-06-12),

13. 9505053 - Casting plunger and casting unit with shut-off valve (2016-11-29),

14. 9233417 - Casting unit for a diecasting machine (2016-01-12),

15. 8376025 - Casting machine system and process for producing hybrid metal/plastic articles (2013-02-19),

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USPTO Data Jan 1 1976 - Dec 16 2025

23 Patents

#1 in Schorndorf

#1,996 in Germany

#26,802 in the World

Schorndorf, Germany

Oskar Frech Gmbh +co. Kg

Forward Citations = 12

21 inventors:

Norbert Erhard (17 out of 20 patents)

Daniel Gerner (5 out of 5 patents)

Andreas Sydlo (5 out of 5 patents)

4. Peter Maurer (5 out of 5 patents)

5. Juergen Kurz (4 out of 4 patents)

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