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Patents Grants
last 30 patents
Information
Patent Grant
Plumbing connector, assembly and associated methods
Patent number
11,525,532
Issue date
Dec 13, 2022
McAlpine & Co., Limited
James Edward McAlpine
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Overflow cover with plug handle for a sanitary appliance
Patent number
D808503
Issue date
Jan 23, 2018
McAlpine & Co. Limited
Robert G. McAlpine
D23 - Environmental heating and cooling
Information
Patent Grant
Non-return device
Patent number
9,567,737
Issue date
Feb 14, 2017
MCALPINE & CO LIMITED
James Edward McAlpine
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Air gap cover
Patent number
D620584
Issue date
Jul 27, 2010
McAlpine & Co Limited
James Kenneth McAlpine
D23 - Environmental heating and cooling
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Patents Applications
last 30 patents
Information
Patent Application
PLUMBING CONNECTOR, ASSEMBLY AND ASSOCIATED METHODS
Publication number
20200370690
Publication date
Nov 26, 2020
McAlpine & Co. Limited
James Edward McAlpine
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
IMPROVED PLUMBING APPARATUS
Publication number
20170016220
Publication date
Jan 19, 2017
McAlpine & Co. Limited
Chris McKendrick
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
ODOUR TRAP WITH CHECK VALVE AND AIR ADMITTANCE VALVE
Publication number
20160230375
Publication date
Aug 11, 2016
MCALPINE & CO. LIMITED
James Edward McAlpine
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
VALVE DEVICE FOR WASTE PIPE
Publication number
20150176261
Publication date
Jun 25, 2015
McAlpine & Co. Limited
James Edward McAlpine
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Outlet for a Sanitary Unit
Publication number
20140130899
Publication date
May 15, 2014
MCALPINE & CO LIMITED
James Edward McAlpine
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
NON-RETURN DEVICE
Publication number
20130000766
Publication date
Jan 3, 2013
MCALPINE & CO LIMITED
James Edward McAlpine
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
PLUMBING SEALING ARRANGEMENT
Publication number
20110036417
Publication date
Feb 17, 2011
McAlpine & Co. Limited
James Edward McAlpine
E03 - WATER SUPPLY SEWERAGE