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:
Aug. 27, 2024

Filed:

Mar. 23, 2020
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Kazuaki Watanabe, Musashino, JP;

Yujin Hamano, Musashino, JP;

Daisuke Uchibori, Musashino, JP;

Masafumi Nakagawa, Musashino, JP;

Atsushi Aratake, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64U 30/299 (2023.01); B64C 25/54 (2006.01); B64C 39/02 (2023.01); B64U 20/80 (2023.01); B64U 60/10 (2023.01); B64U 60/70 (2023.01);
U.S. Cl.
CPC ...
B64U 30/299 (2023.01); B64C 25/54 (2013.01); B64C 39/024 (2013.01); B64U 20/80 (2023.01); B64U 60/10 (2023.01); B64U 60/70 (2023.01);
Abstract

A propeller guard () according to the present disclosure is a propeller guard () for an unmanned aerial vehicle including a main body part () and a propeller part () and includes: an encircling part () that extends around the propeller part () and protects the propeller part (); and a connection part () that connects the main body part () and the encircling part (), wherein the encircling part () has a buoyant force for maintaining at least a part of the main body part () and the propeller part () above water.


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