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