The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 18, 2025

Filed:

Jan. 12, 2021
Applicant:

Siemens Aktiengesellschaft, Munich, DE;

Inventors:

Benjamin Lutz, Pfinztal, DE;

Anna Palmin, Karlsruhe, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3268 (2013.01);
Abstract

A control system for a technical installation, in particular a manufacturing facility or process plant, includes at least one first operator station server and one second operator station server and is configured to initiate the issuance and revocation of certificates for components of the technical installation as part of certificate management, and is configured to publish revocation of a previously issued certificate within the control system as a certificate revocation list, where the control system is configured to store the certificate revocation list on the first operator station server and/or on the second operator station server, where the control system is configured to synchronize the first operator station server and the second operator station server with one another such that a certificate revocation list with identical content is stored on both operator station servers.


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