Liangheng Qiu

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Prairie Grove, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Anti-rotation device for rotor bearings in generators
- Patent number 11,575,292
- Issue date Feb 7, 2023
- Hamilton Sundstrand Corporation
- Liangheng Qiu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cage bearing with oil retaining shield
- Patent number 9,194,433
- Issue date Nov 24, 2015
- Hamilton Sundstrand Corporation
- Liangheng Qiu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Ball bearing particularly for use in high speed generator
- Patent number 9,097,281
- Issue date Aug 4, 2015
- Hamilton Sundstrand Corporation
- Gregory Alan Rittmeyer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
ANTI-ROTATION DEVICE FOR ROTOR BEARINGS IN GENERATORS
- Publication number 20210119510
- Publication date Apr 22, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Liangheng Qiu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Cage Bearing With Oil Retaining Shield
- Publication number 20150192175
- Publication date Jul 9, 2015
- HAMILTON SUNDSTRAND CORPORATION
- Liangheng Qiu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VARIABLE FREQUENCY GENERATOR INPUT SHAFT BEARING
- Publication number 20140219598
- Publication date Aug 7, 2014
- Andrew P. Grosskopf
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
BALL BEARING PARTICULARLY FOR USE IN HIGH SPEED GENERATOR
- Publication number 20140035409
- Publication date Feb 6, 2014
- Gregory Alan Rittmeyer
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC