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Krzysztof Wejdman
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Zielonki, PL
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Patents Grants
last 30 patents
Information
Patent Grant
Coupler with quick release handle and valve assemblies
Patent number
11,634,275
Issue date
Apr 25, 2023
KNAPPCO, LLC
Joseph P. Roth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Coupler with quick release handle and valve assemblies
Patent number
11,021,321
Issue date
Jun 1, 2021
OPW Engineered Systems, Inc.
Joseph P. Roth
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Breakaway coupling
Patent number
10,571,038
Issue date
Feb 25, 2020
OPW Engineered Systems, Inc.
Joseph P Roth
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Coupler with quick release handle and valve assemblies
Patent number
10,392,187
Issue date
Aug 27, 2019
OPW Engineered Systems, Inc.
Joseph P. Roth
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Breakaway coupling
Patent number
10,054,237
Issue date
Aug 21, 2018
OPW Engineered Systems, Inc.
Joseph P Roth
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Loading arm counterbalance adjustment mechanism
Patent number
9,581,276
Issue date
Feb 28, 2017
OPW Engineered Systems, Inc.
Michael Crum
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Lock down units for loading arms and loading arms comprising the same
Patent number
9,169,949
Issue date
Oct 27, 2015
OPW Engineered Systems, Inc.
Joseph P. Roth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wear rings for coupler devices and coupler devices comprising the same
Patent number
8,434,735
Issue date
May 7, 2013
Delaware Capital Formation, Inc.
Mark J. Tausch
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
COUPLER WITH QUICK RELEASE HANDLE AND VALVE ASSEMBLIES
Publication number
20210253342
Publication date
Aug 19, 2021
OPW Engineered Systems, Inc.
Joseph P. Roth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
COUPLER WITH QUICK RELEASE HANDLE AND VALVE ASSEMBLIES
Publication number
20190322449
Publication date
Oct 24, 2019
OPW Engineered Systems, Inc.
Joseph P. Roth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
BREAKAWAY COUPLING
Publication number
20180328508
Publication date
Nov 15, 2018
OPW Engineered Systems, Inc.
Joseph P. Roth
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
COUPLER WITH QUICK RELEASE HANDLE AND VALVE ASSEMBLIES
Publication number
20170334640
Publication date
Nov 23, 2017
OPW Engineered Systems, Inc.
Joseph P. Roth
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
BREAKAWAY COUPLING
Publication number
20160334025
Publication date
Nov 17, 2016
Operations Technology Development
Joseph P. Roth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
LOCK DOWN UNITS FOR LOADING ARMS AND LOADING ARMS COMPRISING THE SAME
Publication number
20140060685
Publication date
Mar 6, 2014
OPW Engineered Systems, Inc.
Joseph P. Roth
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
LOADING ARM COUNTERBALANCE ADJUSTMENT MECHANISM
Publication number
20130341908
Publication date
Dec 26, 2013
Michael Crum
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC