- US12234645utility2025Apparatus for Controlling Yield Performance of Props for Roofs, and Methods0 cites
- US12091828utility2024Sheet for a Mine Floor or a Road, and Method0 cites
- US12071852utility2024Refuge Shelter, Coupling and Method0 cites
- US11982403utility2024Method and Apparatus for Identifying When an Individual Is in Proximity to an Object0 cites
- US11846618utility2023Method and Apparatus for Automatically Maintaining a Desired Level of Oxygen in a Refuge0 cites
- US11828179utility2023Plug for a Void, System and Method0 cites
- US11778441utility2023Method and Apparatus for Protecting a Miner0 cites
- US11606679utility2023Mine Wifi and Method0 cites