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:
Mar. 06, 2007
Filed:
Feb. 12, 2004
Kotohiko Sekoguchi, Ikeda-shi, Osaka, JP;
Kotohiko Sekoguchi, Ikeda-shi, Osaka, JP;
Fujikin Incorporated, Osaka, JP;
Other;
Abstract
The ultra-precision micro-differential pressure measuring device comprises a device bodyhaving an inner space part therein, a pressure receiving platewhich is installed inside the inner space of the device bodyand divides the said inner space hermetically into a lower spaceand an upper part spacean electronic weighing and pressure converting devicewhich is installed in the lower spaceand supports and secures the pressure receiving plateand a liquid sealing part R which liquid-seals the outer peripheral part of the aforementioned pressure receiving plateand maintains the air-tightness between the lower spaceand the upper spaceA micro-differential pressure between a pressure Pinside the upper spaceand a pressure Pinside the lower spaceis measured by the electronic weighing and pressure converting devicethrough the pressure receiving plate
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile