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US Patent 11629987 Accurate volume and temperature dispensing head

Patent 11629987 was granted and assigned to IO Tech Group Ltd on April, 2023 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
1

Patent attributes

Patent Applicant
IO Tech Group Ltd
IO Tech Group Ltd
1
Current Assignee
IO Tech Group Ltd
IO Tech Group Ltd
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
116299871
Patent Inventor Names
Ziv Gilan1
Date of Patent
April 18, 2023
1
Patent Application Number
174497221
Date Filed
October 1, 2021
1
Patent Primary Examiner
‌
Paul R Durand
1
CPC Code
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B67D 3/0016
1
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B67D 3/0038
1
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B67D 2210/00104
1
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F16K 31/523
1
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B67D 3/0003
1
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F16K 31/52475
1
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F16K 3/02
1
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G01F 11/38
1
...

Systems and methods for the injection/dispensing of fluid material in a volumetrically accurate and repeatable manner via an injection cell that interconnects two reservoirs of the fluid material. The injection cell has a normally closed dispensing valve that is opened for dispensing of the fluid material during a compression cycle, and closed during a return cycle. Opening and closing of the dispensing valve is effected using either or both of pressurized air and/or a motorized linkage. During the compression cycle, independent longitudinal displacements of a piston cylinder and a piston within the injection cell act to first open the dispensing valve and subsequently eject fluid material within the piston cylinder via the opened dispensing valve. The piston cylinder and piston are returned to an initial state that facilitates reloading of the injection cell from the reservoirs and closes the dispensing valve during a return cycle.

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