H J Fischer, LLC

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Imperial, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for joining and hanging ducts
- Patent number 11,828,393
- Issue date Nov 28, 2023
- H J Fischer, LLC
- Herbert J. Fischer
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
System and method for joining and hanging ducts
- Patent number 10,544,891
- Issue date Jan 28, 2020
- H J FISCHER LLC
- Herbert J. Fischer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sheet metal corner for duct flanges
- Patent number 8,474,881
- Issue date Jul 2, 2013
- H J Fischer, LLC
- Herbert J. Fischer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR JOINING AND HANGING DUCTS
- Publication number 20160003384
- Publication date Jan 7, 2016
- H J Fischer, LLC
- Herbert J. Fischer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
HIGH SPEED FASTENER AND METHOD OF ASSEMBLING DUCT SECTIONS USING TH...
- Publication number 20150003931
- Publication date Jan 1, 2015
- H J Fischer, LLC
- Herbert J. Fischer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...