Below are links to U.S. patent lists for certain RIDGID brand tools and wet/dry vacuums, filters and accessories provided by Emerson. These lists are intended to satisfy the virtual patent marking provisions of U.S. patent law. These lists may not be all inclusive, and other RIDGID products not listed here may be protected by patents. The RIDGID products may also be covered by patents outside of the U.S. Pending patent applications in the U.S. and elsewhere may also apply. By listing certain patents, we make no admission that other patents do not apply.