Ruiguo Gao

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Talahassee, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Step seal for refrigerant compressors
- Patent number 12,146,501
- Issue date Nov 19, 2024
- Danfoss A/S
- James Wilson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Step seal for refrigerant compressors
- Patent number 11,692,557
- Issue date Jul 4, 2023
- DANFOSS A/S
- James Wilson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Partially hollow shaft for HVAC compressor
- Patent number 11,434,918
- Issue date Sep 6, 2022
- DANFOSS A/S
- Zili Sun
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Unloading device for HVAC compressor with mixed and radial compress...
- Patent number 11,143,193
- Issue date Oct 12, 2021
- DANFOSS A/S
- Jin Yan
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
HOUSING ARRANGEMENT FOR REFRIGERANT COMPRESSOR
- Publication number 20250012489
- Publication date Jan 9, 2025
- Danfoss A/S
- Sushank THOTAKOORI
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
STEP SEAL FOR REFRIGERANT COMPRESSORS
- Publication number 20230279865
- Publication date Sep 7, 2023
- Danfoss A/S
- James Wilson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
STEP SEAL FOR REFRIGERANT COMPRESSORS
- Publication number 20220213896
- Publication date Jul 7, 2022
- Danfoss A/S
- James Wilson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
PARTIALLY HOLLOW SHAFT FOR HVAC COMPRESSOR
- Publication number 20200400155
- Publication date Dec 24, 2020
- Danfoss A/S
- Zili Sun
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
UNLOADING DEVICE FOR HVAC COMPRESSOR WITH MIXED AND RADIAL COMPRESS...
- Publication number 20200208642
- Publication date Jul 2, 2020
- Danfoss A/S
- Jin Yan
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...