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.:
Date of Patent:
Dec. 28, 2021
Filed:
Mar. 20, 2018
Applicants:
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Xufang Wu, Beijing, CN;
Zhenshan Lu, Beijing, CN;
Ting Cai, Beijing, CN;
Xijiang Zhang, Beijing, CN;
Peng Wang, Beijing, CN;
Assignees:
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 43/00 (2006.01); F16L 11/15 (2006.01); F16L 27/12 (2006.01); E04D 13/08 (2006.01); F16L 58/18 (2006.01);
U.S. Cl.
CPC ...
F16L 43/001 (2013.01); F16L 11/15 (2013.01); E04D 2013/0833 (2013.01); F16L 27/12 (2013.01); F23J 2213/20 (2013.01);
Abstract
An elbow includes an elbow body, and a pipe wall of the elbow body is saw-toothed along an extending direction of the elbow body so that a bending angle of the elbow body is adjustable.