OPW Engineered Systems Patents

Patent Number Invention OPW Products Country Date Issued
732138 Pivotal Lock For Coupling Cam Arms Autolok Australia 26-Jul-01
6015168 Pivotal Lock For Coupling Cam Arms Autolok USA 18-Jan-00
3198382 Pivotal Lock For Coupling Cam Arms Autolok Japan 15-Jun-01
5671777 Couplings for Joining Fluid Conduits Drylok USA 30-Sep-97
D610240 Drain Adaptor API USA 16-Feb-10
D617881 Drain Adaptor API USA 15-Jun-10
8342481 Pivot Rings for Coupler Devices 1004D4 USA 1-Jan-13
8434735 Wear Rings for Coupler Devices 1004D3/E3/D4 USA 7-May-13
8336853 Recock Handle Assemblies for Coupler Devices 1004D4 USA 25-Dec-12
8469407 Coupler Devices with Spring Loaded Coupler Sleeves 1004D4 USA 25-Jun-13
8783733 Fluid Handeling Swivel Joints and Fluid Conveyance Equipment Global Swivel USA 22-Jul-14
5983936 Torsion Spring Balance Assembly and Adjustment Method 790 Spring USA 16-Nov-99
9169949 Lockdown Units for Loading Arms 888L Lockdown USA 27-Oct-15
8302628 Handle Shaft Assemblies for Bottom Loading Couplers 1004D3/E3/D4 & Kamvalok USA 6-Nov-12
2347157 Handle Shaft Assemblies for Bottom Loading Couplers 1004D3/E3/D4 & Kamvalok EU 3-Sep-14
2009307773 Handle Shaft Assemblies for Bottom Loading Couplers 1004D3/E3/D4 & Kamvalok Australia 20-Oct-09
 

OPW-ES Products

Delivering the best quality loading arms

OPW offers premium-grade top and bottom loading arms, swivel joints, sight flow indicators, quick and dry disconnect couplers and safety breakaways for use in railcar rack systems and platforms, bulk plant and liquid terminals applications.

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Every Arm. Every Option. Only OPW.

OPW offers the most complete line of loading arm systems and loading-rack equipment for today's bulk loading and unloading requirements.

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Every Arm. Every Option. Only OPW.

Design, plant and maintenance engineers use OPW swivel joints in flexible piping systems, loading arms, hose reels, sewer rodding and wastewater treatment equipment, and various types of process machinery.

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Every Arm. Every Option. Only OPW.

OPW Engineered Systems is a world-class manufacturer of quick and dry disconnect fittings designed to meet any fluid handling need.

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Every Arm. Every Option. Only OPW.

Whether you’re monitoring petroleum products, liquefied gases, solvents, or hazardous, corrosive chemicals, OPW’s collection of Process Products help keep your fluids under control.

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