Malcolm MacDuff

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Victoria, CA

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Patents Grantslast 30 patents

Information Patent Grant
Quarter-turn pin-valve actuator
- Patent number 11,339,894
- Issue date May 24, 2022
- Malcolm MacDuff
- Malcolm MacDuff
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Hydronic supply manifold
- Patent number 10,845,063
- Issue date Nov 24, 2020
- Malcolm Macduff
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Supply manifold with rotatable slider
- Patent number 10,408,468
- Issue date Sep 10, 2019
- Malcolm MacDuff
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Supply manifold with rotatable slider
- Patent number 9,803,876
- Issue date Oct 31, 2017
- Malcolm MacDuff
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Supply manifold for hydronic system
- Patent number 8,555,926
- Issue date Oct 15, 2013
- Malcolm MacDuff
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
HYDRONIC SUPPLY MANIFOLD
- Publication number 20190285286
- Publication date Sep 19, 2019
- Malcolm MACDUFF
- F24 - HEATING RANGES VENTILATING
Information Patent Application
SUPPLY MANIFOLD WITH ROTATABLE SLIDER
- Publication number 20170321906
- Publication date Nov 9, 2017
- Malcolm MacDuff
- F24 - HEATING RANGES VENTILATING
Information Patent Application
SUPPLY MANIFOLD WITH ROTATABLE SLIDER
- Publication number 20170102152
- Publication date Apr 13, 2017
- Malcolm MacDuff
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Supply Manifold For Hydronic System
- Publication number 20120048381
- Publication date Mar 1, 2012
- Malcolm MacDuff
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Fins For An Electric Cable In An Electric Radiant Heating System
- Publication number 20090052876
- Publication date Feb 26, 2009
- MacDuffco Manufacturing Inc.
- Malcolm MacDuff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...