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Joe Ledvora
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Wheaton, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-port valve
Patent number
11,655,905
Issue date
May 23, 2023
Robertshaw Controls Company
Joe Ledvora
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Multi-port multi-plane valve
Patent number
11,655,906
Issue date
May 23, 2023
Robertshaw Controls Company
Joseph Ledvora
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Multi-port multi-plane valve
Patent number
11,255,450
Issue date
Feb 22, 2022
Robertshaw Controls Company
Joseph Ledvora
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
MULTI-PORT MULTI-PLANE VALVE
Publication number
20220010884
Publication date
Jan 13, 2022
Robertshaw Controls Company
Joseph Ledvora
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
MULTI-PORT MULTI-PLANE VALVE
Publication number
20200200284
Publication date
Jun 25, 2020
Robertshaw Controls Company
Joseph Ledvora
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
MULTI-PORT VALVE
Publication number
20180292016
Publication date
Oct 11, 2018
Robertshaw Controls Company
Joe Ledvora
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...