Operation and maintenance system for air conditioner production, and production method
US-12544867-B1 · Feb 10, 2026 · US
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Qingdao Hisense Hitachi Air Conditioning Sys Co Ltd — Mechanical Engineering
Qingdao Hisense Hitachi Air Conditioning Sys Co Ltd holds 7 patents in Mechanical Engineering, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Qingdao Hisense Hitachi Air Conditioning Sys Co Ltd |
| Technology | Mechanical Engineering |
| Patents in slice | 7 |
| Recent patents in slice | 1 |
| First year | 2015 |
| Last year | 2026 |
Representative patents
Notable publications linking Qingdao Hisense Hitachi Air Conditioning Sys Co Ltd to Mechanical Engineering.
Operation and maintenance system for air conditioner production, and production method
US-12544867-B1 · Feb 10, 2026 · US
Operation and maintenance system for air conditioner production, and production method
US-12544867-B1 · Feb 10, 2026 · US
Operation and maintenance system for air conditioner production, and production method
US-12544867-B1 · Feb 10, 2026 · US
Outdoor unit of an air conditioning system, air conditioning system, and control method thereof
US-11035597-B2 · Jun 15, 2021 · US
Recent filings
Latest patents from Qingdao Hisense Hitachi Air Conditioning Sys Co Ltd in Mechanical Engineering.
Operation and maintenance system for air conditioner production, and production method
US-12544867-B1 · Feb 10, 2026 · US
Operation and maintenance system for air conditioner production, and production method
US-12544867-B1 · Feb 10, 2026 · US
Operation and maintenance system for air conditioner production, and production method
US-12544867-B1 · Feb 10, 2026 · US
Operation and maintenance system for air conditioner production, and production method
US-12544867-B1 · Feb 10, 2026 · US
Outdoor unit of an air conditioning system, air conditioning system, and control method thereof
US-11035597-B2 · Jun 15, 2021 · US
Related pages
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