Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chie Emura0
Chiho Fujii0
Yousuke Imai0
Mizuho Ueno0
Masafumi Uda0
Date of Patent
January 2, 2024
0Patent Application Number
172125130
Date Filed
March 25, 2021
0Patent Citations
Patent Primary Examiner
Patent abstract
A vortex ring generation device includes a casing having a gas passage and a discharge port, and an extrusion mechanism that extrudes a gas in the gas passage such that the gas in a vortex ring shape is discharged from the discharge port. V (m
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