Andrew F. Masson

Follow

Person

Edmonton, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Expanding gate valve
- Patent number 11,047,486
- Issue date Jun 29, 2021
- Stream-Flo Industries Ltd.
- Keith David Farquharson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gate valve with tongue and groove or bridging seal to annular seat...
- Patent number 7,562,859
- Issue date Jul 21, 2009
- Stream-Flo Industries Ltd.
- Tony M. Lam
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Expanding Gate Valve
- Publication number 20180238456
- Publication date Aug 23, 2018
- Stream-Flo Industries Ltd.
- Keith David FARQUHARSON
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Gate valve with tongue and groove or bridging seal to annular seat...
- Publication number 20080164437
- Publication date Jul 10, 2008
- Stream-Flo Industries Ltd.
- Tony M. Lam
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...