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Gregory A. Michaels
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Seven Hills, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Rotary valve assembly
Patent number
8,210,205
Issue date
Jul 3, 2012
Gregory A. Michaels
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Gas concentration sensor and control for oxygen concentrator utiliz...
Patent number
5,917,135
Issue date
Jun 29, 1999
Invacare Corporation
Gregory A. Michaels
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Closed-loop feedback control for oxygen concentrator
Patent number
5,906,672
Issue date
May 25, 1999
Invacare Corporation
Gregory A. Michaels
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Seat cushion for wheelchairs
Patent number
5,513,899
Issue date
May 7, 1996
Invacare Corporation
Gregory A. Michaels
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of assembling tubular electrochemical oxygen generators
Patent number
5,397,443
Issue date
Mar 14, 1995
Invacare Corporation
Gregory A. Michaels
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Oxygen concentrator utilizing electrochemical cell
Patent number
5,186,793
Issue date
Feb 16, 1993
Invacare Corporation
Gregory A. Michaels
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Oxygen concentration system utilizing pressurized air
Patent number
5,169,506
Issue date
Dec 8, 1992
Invacare Corporation
Gregory A. Michaels
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Rotary Valve Assembly
Publication number
20120285543
Publication date
Nov 15, 2012
Gregory A. Michaels
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Rotary valve assembly
Publication number
20070246678
Publication date
Oct 25, 2007
Gregory A. Michaels
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...