John E. Hollender

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Motorized gear and coupling system
- Patent number 11,428,436
- Issue date Aug 30, 2022
- Metropolitan Air Technology
- John E. Hollender
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Motorized gear and coupling system
- Patent number 10,612,813
- Issue date Apr 7, 2020
- Metropolitan Air Technology
- John E. Hollender
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
MOTORIZED GEAR AND COUPLING SYSTEM
- Publication number 20200200432
- Publication date Jun 25, 2020
- Metropolitan Air Technology
- John E. Hollender
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Motorized gear and coupling system
- Publication number 20090181611
- Publication date Jul 16, 2009
- Metropolitan Air Technology
- John E. Hollender
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Motorized gear and coupling system
- Publication number 20090111373
- Publication date Apr 30, 2009
- Metropolitan Air Technology
- John E. Hollender
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Gear and coupling system
- Publication number 20090095105
- Publication date Apr 16, 2009
- John E. Hollender
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Motorized gear and coupling system
- Publication number 20090095106
- Publication date Apr 16, 2009
- METROPOLITAN AIR TECHNOLOG
- John E. Hollender
- G05 - CONTROLLING REGULATING