Inventor
Changsheng Guo
Inventor
South Windsor, CT, US
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines12%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants12%
Y10TTechnical subjects covered by former us classification12%
Y02TClimate change mitigation technologies related to transportation6%
B24BMachines, devices, or processes for grinding or polishing5%
B23CMilling4%
B66BElevators4%
F04DNon-positive-displacement pumps4%
G05BControl or regulating systems in general4%
B23PMetal-working not otherwise provided for3%
PatentTitleYear
10,876,415Fan blade tip as a cutting tool202010,814,406Internal cooling passages for rotating cutting tools202010,807,209Closed-loop fluid control to obtain efficient machining202010,794,211Seal geometries for reduced leakage in gas turbines and methods of forming202010,786,853Cooling system for rotating cutting tools202010,711,622Cutting blade tips202010,533,439Gas turbine engine component with abrasive surface formed by electrical discharge machining202010,480,330Blade rub material201910,408,078Blade rub material201910,408,224Fan blades with abrasive tips201910,301,949Blade rub material201910,273,815Curved blade retention slot for turbine blade in a turbine disk201910,183,312Abrasive blade tip treatment201910,105,815Multiaxial vibration-peening system201810,060,281Compressor abradable material seal with tailored wear ratio and desirable erosion resistance201810,036,402Max phase reinforced polymer matrix composite abradables with enhanced thermal conductivity201810,030,532Abradable seal with thermally conductive microspheres20189,932,839Cutting blade tips20189,855,615'Method of modifying gear profiles'20189,850,767Aluminum fan blade tip with thermal barrier20179,850,589System and methods for electrochemical grinding with a screen20179,822,650'Turbomachine shroud'20179,718,154'Slot machining'20179,662,721'Method of generating a curved blade retention slot in a turbine disk'20179,604,291'Ball-end milling cutter tool'20179,535,796'Method, apparatus and computer for data operation'20178,770,926'Rough dense ceramic sealing surface in turbomachines'20148,770,927'Abrasive cutter formed by thermal spray and post treatment'20148,721,949'Modular handrail construction for a passenger conveyor handrail'20148,689,441'Method for machining a slot in a turbine engine rotor disk'20148,684,689'Turbomachine shroud'20148,602,845'Strengthening by machining'20138,252,411'Joint configuration for a load bearing assembly'20127,827,661'Control of white-etched layer during machining'20107,805,824'Control of white-etched layer during machining'20107,766,150'Passenger conveyor handrail with a unique sliding layer'20107,736,102'Control of white-etched layer during machining'20107,650,981'Passenger conveyor handrail sliding layer treatment'20107,641,038'Passenger conveyor handrail and method of manufacture'20107,614,489'Handrail guidance for a passenger conveyor'20097,562,759'Passenger conveyor handrail with sliding material on toothed driven surface'20096,985,791'Grinding wheel system'20066,602,109'Grinding wheel system'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2020Based in South Windsor, CT, US· patent location history
2009–2014Patents assigned to OTIS ELEVATOR CO (7)· patent assignee history
2010–2020Patents assigned to UNITED TECHNOLOGIES CORP (31)· patent assignee history
2012–2017Patents assigned to GUO CHANGSHENG (11)· patent assignee history
2014–2017Patents assigned to HAMILTON SUNDSTRAND CORP (2)· patent assignee history
2017Based in Beijing, CN· patent location history
2020Patents assigned to RAYTHEON TECH CORP (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNITED TECHNOLOGIES CORP | 31 | 2010–2020 |
| GUO CHANGSHENGself | 11 | 2012–2017 |
| OTIS ELEVATOR CO | 7 | 2009–2014 |
| RAYTHEON TECH CORP | 5 | 2020 |
| HAMILTON SUNDSTRAND CORP | 2 | 2014–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| South Windsor, CT, US | 42 | 2003–2020 |
| Beijing, CN | 1 | 2017 |