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:
May. 26, 2026
Filed:
Mar. 11, 2022
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Hiroshi Kumagai, Ryugasaki, JP;
Hiroaki Fujishima, Tsuchiura, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
A fuel filling device () for refueling a fuel tank () is disposed in the vicinity of an exhaust gas post-treatment device (). Specifically, the fuel filling device () is disposed over a hydraulic pump () provided to an engine () and at a height position equivalent to the exhaust gas post-treatment device (). Therefore, the fuel filling device () can be heated for a short period of time by the exhaust gas post-treatment device () which is exposed to high temperature soon after the start of the engine ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile