David John Hardy

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Clemmons, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Swimming pool pressure cleaner including automatic timing mechanism
- Patent number 10,407,932
- Issue date Sep 10, 2019
- Hayward Industries, Inc.
- Benoit Joseph Renaud
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Automatic electric top bottom swimming pool cleaner with internal p...
- Patent number 10,407,930
- Issue date Sep 10, 2019
- Hayward Industries, Inc.
- Benoit Joseph Renaud
- E04 - BUILDING
Information Patent Grant
Swimming pool pressure cleaner including automatic timing mechanism
- Patent number 9,845,609
- Issue date Dec 19, 2017
- Hayward Industries, Inc.
- Benoit Joseph Renaud
- E04 - BUILDING
Information Patent Grant
Swimming pool pressure cleaner including automatic timing mechanism
- Patent number 9,745,767
- Issue date Aug 29, 2017
- Hayward Industries, Inc.
- Benoit Joseph Renaud
- E04 - BUILDING
Information Patent Grant
Pool cleaner
- Patent number D728873
- Issue date May 5, 2015
- Hayward Industries, Inc.
- Benoit Renaud
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Fluid distribution system for a swimming pool cleaning apparatus
- Patent number 7,677,268
- Issue date Mar 16, 2010
- Hayward Industries, Inc.
- Ronald Griffin
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Swimming Pool Pressure Cleaner Including Automatic Timing Mechanism
- Publication number 20180128000
- Publication date May 10, 2018
- Hayward Industries, Inc.
- Benoit Joseph Renaud
- E04 - BUILDING
Information Patent Application
Swimming Pool Pressure Cleaner Including Automatic Timing Mechanism
- Publication number 20150259940
- Publication date Sep 17, 2015
- Hayward Industries, Inc.
- Benoit Joseph Renaud
- E04 - BUILDING
Information Patent Application
Swimming Pool Cleaner With Docking System And/Or Other Related Syst...
- Publication number 20140263087
- Publication date Sep 18, 2014
- Hayward Industries, Inc.
- Benoit Joseph Renaud
- E04 - BUILDING
Information Patent Application
Automatic Electric Top Bottom Swimming Pool Cleaner with Internal P...
- Publication number 20140262997
- Publication date Sep 18, 2014
- Hayward Industries, Inc.
- Benoit Joseph Renaud
- E04 - BUILDING
Information Patent Application
Swimming Pool Pressure Cleaner Including Automatic Timing Mechanism
- Publication number 20140259466
- Publication date Sep 18, 2014
- Hayward Industries, Inc.
- Benoit Joseph Renaud
- E04 - BUILDING
Information Patent Application
Fluid Distribution System for a Swimming Pool Cleaning Apparatus
- Publication number 20090089944
- Publication date Apr 9, 2009
- Ronald Griffin
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...