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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.

Patent No.:

US 12734907 B1

PDFFull Text
Date of Patent:
Sep. 15, 2026

Filed:

Dec. 26, 2022

Electrically driven work machine

Applicant:

Hitachi Construction Machinery Tierra Co., Ltd., Koka, JP;

Inventors:

Kiwamu Takahashi, Moriyama, JP;

Natsuki Nakamura, Moriyama, JP;

Noriyuki Iwasa, Koka, JP;

Takeshi Ishii, Hino-cho, JP;

Shohei Taniguchi, Koka, JP;

Assignee:

HITACHI CONSTRUCTION MACHINERY TIERRA CO., LTD., Koka, JP;

Attorney:

MATTINGLY & MALUR, PC

Primary Examiner:

Jeffrey J Restifo

Int. Cl.
CPC ...
B60L 50/60 (2019.01); E02F 9/08 (2006.01); E02F 9/16 (2006.01); E02F 9/20 (2006.01);
U.S. Cl.
CPC ...
B60L 50/60 (2019.02); E02F 9/0866 (2013.01); E02F 9/166 (2013.01); E02F 9/207 (2013.01); B60L 2200/40 (2013.01);
Abstract

There is provided an electrically driven work machine including an electric motor that is a prime mover, an inverter that controls the electric motor, a power feed system that supplies power to the inverter, a driving battery device that stores the power supplied from the power feed system and supplies the power to the inverter, a control battery that supplies power for control for the inverter, the power feed system, and the driving battery device, and an opening-closing cover that covers the power feed system. The electrically driven work machine includes a control power interruption device that interrupts supply of the power for control with respect to the inverter, the power feed system, and the driving battery device in conjunction with opening of the opening-closing cover.

Find Patent Forward Citations

Takahashi, Kiwamu. (2026). Electrically driven work machine (U.S. Patent No. 12734907). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12734907

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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