Programmable logic controller
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Description
In the drawings, the broken lines depict a portion of the programmable logic controller, which for not part of the claimed design.
Claims
The ornamental design for a programmable logic controller, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| D692397 | October 29, 2013 | Liu |
| D692840 | November 5, 2013 | Liu |
| D696634 | December 31, 2013 | Liu |
| D702647 | April 15, 2014 | Liu |
| D735145 | July 28, 2015 | Liu |
| D815606 | April 17, 2018 | Nada |
| D919579 | May 18, 2021 | Nada |
| D919580 | May 18, 2021 | Nada |
| D952580 | May 24, 2022 | Andersson |
| D956001 | June 28, 2022 | Kato |
| 20170285604 | October 5, 2017 | Al-Jandal |
| 20200259998 | August 13, 2020 | Tsujikawa |
| D2014-24072 | April 2015 | JP |
Patent History
Patent number: D1146841
Type: Grant
Filed: Feb 27, 2025
Date of Patent: Sep 8, 2026
Assignee: Siemens Aktiengesellschaft (Munich)
Inventors: Teng Jiao Luo (Chengdu), Hao Qiu (Chengdu), Chang Sen Chen (Chengdu), Ting Li Lan (Chengdu), Zhan Bo Ren (Chengdu)
Primary Examiner: Selina Sikder
Application Number: 29/991,265
Type: Grant
Filed: Feb 27, 2025
Date of Patent: Sep 8, 2026
Assignee: Siemens Aktiengesellschaft (Munich)
Inventors: Teng Jiao Luo (Chengdu), Hao Qiu (Chengdu), Chang Sen Chen (Chengdu), Ting Li Lan (Chengdu), Zhan Bo Ren (Chengdu)
Primary Examiner: Selina Sikder
Application Number: 29/991,265
Classifications
Current U.S. Class:
Programmable Controller (D13/162.1)