For the Inventor, By the Inventor

Enter assignee name

Dueren, Germany

Z & J Technologies Gmbh

USPTO Granted Patents = 20

EPO Patents = 13

Trademarks = 3

Forward Citations = 31

Loading Chart...

Loading Chart...

31 inventors (with patents filed for the assignee):

Roland Travnicek (4 out of 4 patents)

Ingo Wirtz (4 out of 4 patents)

Ekkehard Brzoska (4 out of 4 patents)

4. Peter Weidgang (3 out of 3 patents)

5. Norbert Marx (3 out of 5 patents)

6. Franz-Josef Irnich (3 out of 7 patents)

7. Markus Gandelheidt (2 out of 2 patents)

8. Robert Puetz (2 out of 2 patents)

9. Wolfgang Zingsem (2 out of 2 patents)

10. Friedel Heller (2 out of 2 patents)

11. Ralf Heiden (1 out of 1 patent)

12. Stefan Krieger (1 out of 1 patent)

13. Metin Gerceker (1 out of 1 patent)

14. Marco Knoedler (1 out of 1 patent)

15. Ludwig Kesternich (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 12085190 - Measuring system, slide valve comprising such a measuring system, and method for measuring the position of a slide valve (2024-09-10),

2. 11920692 - Slide valve and use of a slide valve (2024-03-05),

3. 11572954 - Shut-off valve, coking drum and method (2023-02-07),

4. 11035478 - Gate valve, fixing element and method for mounting a gate valve (2021-06-15),

5. 10077845 - Double-plate gate valve and shut-off plate for use in a double-plate gate valve (2018-09-18),

6. 9784373 - Shut-off device and gate valve with a shut-off device (2017-10-10),

7. 9777845 - Conduit slider for chemical and petrochemical systems (2017-10-03),

8. 9752688 - Double-plate gate valve, shut-off plate, and method for sealing a double-plate gate valve (2017-09-05),

9. 9739377 - Triple sealing seat for a conduit gate valve (2017-08-22),

10. 9501064 - Method of solving a control problem in a processing plant (2016-11-22),

11. 9109706 - Coking drum (2015-08-18),

12. 8870156 - Drive means for a slide valve and a slide valve (2014-10-28),

13. 8413956 - Double-disc gate valve (2013-04-09),

14. 8181935 - Sliding valve (2012-05-22),

15. 8071014 - Apparatus and method for closing or opening an opening, especially a bottom opening of a material hopper for a blast furnace, and blast furnace having such an apparatus (2011-12-06),

Z & J Technologies GmbH is a technology solutions company specializing in software development and IT consulting services. With a team of highly skilled professionals, we provide innovative and customized solutions to help businesses streamline their operations and achieve their strategic goals. Our expertise includes web and mobile application development, cloud services, data analytics, and cybersecurity. We are committed to delivering high-quality solutions that drive business growth and enhance customer satisfaction. Visit our website for more information and to explore our services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

20 Patents

#1 in Dueren

#2,239 in Germany

#30,330 in the World

Dueren, Germany

Z & J Technologies Gmbh

Forward Citations = 31

31 inventors:

Roland Travnicek (4 out of 4 patents)

Ingo Wirtz (4 out of 4 patents)

Ekkehard Brzoska (4 out of 4 patents)

4. Peter Weidgang (3 out of 3 patents)

5. Norbert Marx (3 out of 5 patents)

Please report any incorrect information to support@idiyas.com

Loading…