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US Patent 11280507 Air-conditioner

Patent 11280507 was granted and assigned to Hitachi on March, 2022 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 12117191 Climate control system with improved leak detector
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Edits on 1 May, 2024
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Patent Citations Received
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US Patent 11971183 Systems and methods for refrigerant leak detection in a climate control system
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Edits on 16 Oct, 2023
"Add patent inventor(s)"
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Patent Inventor Names
Atsuhiko Yokozeki0
Hiroyasu Yoneyama0
Shunji Sasaki0
Yoshiyuki Yamanashi0
Edits on 18 May, 2023
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=112805070
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Infobox
Is a
Patent
Patent
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Patent Applicant
Hitachi
Hitachi
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Current Assignee
Hitachi
Hitachi
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
112805070
Date of Patent
March 22, 2022
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Patent Application Number
164799650
Date Filed
November 16, 2017
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=112805070
Patent Citations
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US Patent 10767882 Refrigerant pump down for an HVAC system
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Patent Primary Examiner
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Larry L Furdge
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CPC Code
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F24F 11/74
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F24F 11/36
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F25B 2500/222
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F25B 2400/12
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Edits on 6 Jun, 2022
"Entity importer update"
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=11280507
Edits on 23 Mar, 2022
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Article (+508 characters)
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 US Patent 11280507 Air-conditioner

Article

An air-conditioner which performs an appropriate control in the event of a leak of refrigerant. The air-conditioner includes a refrigerant circuit, a refrigerant leak sensor which senses a leak of refrigerant in the refrigerant circuit, an indoor fan which delivers air to the indoor heat exchanger, and an indoor control circuit which, upon sensing a leak of refrigerant by the refrigerant leak sensor, controls the indoor fan based on whether the refrigerant sealed in the refrigerant circuit is flammable.

Infobox
Is a
Patent
Patent
Patent applicant
Hitachi
Hitachi
Current assignee
Hitachi
Hitachi
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
11280507
Date of patent
March 22, 2022
Patent application number
16479965
Date Filed
November 16, 2017
Patent citations
‌
US Patent 10767882 Refrigerant pump down for an HVAC system
Patent primary examiner
‌
Larry L Furdge
CPC Code
‌
F24F 11/74
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F24F 11/36
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F25B 2500/222
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F25B 2400/12

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