Stephen R. Johnston

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Fort Worth, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Case mounted transmission AVC force generators
- Patent number 10,994,834
- Issue date May 4, 2021
- Sikorsky Aircraft Corporation
- Stephen Johnston
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Mounting plates for rotor hub accessories
- Patent number 10,501,174
- Issue date Dec 10, 2019
- Sikorsky Aircraft Corporation
- Stephen Johnston
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Elastomeric spherical bearing assembly and structural member incorp...
- Patent number 9,951,808
- Issue date Apr 24, 2018
- Bell Helicopter Textron Inc.
- Peter Q. Romano
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Aircraft health assessment system
- Patent number 9,096,327
- Issue date Aug 4, 2015
- Bell Helicopter Textron Inc.
- Brian E. Tucker
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
CASE MOUNTED TRANSMISSION AVC FORCE GENERATORS
- Publication number 20190256199
- Publication date Aug 22, 2019
- SIKORSKY AIRCRAFT CORPORATION
- Stephen Johnston
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
MOUNTING PLATES FOR ROTOR HUB ACCESSORIES
- Publication number 20190009896
- Publication date Jan 10, 2019
- SIKORSKY AIRCRAFT CORPORATION
- Stephen Johnston
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ELASTOMERIC SPHERICAL BEARING ASSEMBLY AND STRUCTURAL MEMBER INCORP...
- Publication number 20150139575
- Publication date May 21, 2015
- BELL HELICOPTER TEXTRON INC.
- Peter Q. Romano
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Aircraft Health Assessment System
- Publication number 20140200746
- Publication date Jul 17, 2014
- BELL HELICOPTER TEXTRON INC.
- Brian E. Tucker
- G01 - MEASURING TESTING