LandOfFree - US Patents - Listing for Static structures (e.g., buildings),With entrance for persons or objects in horizontal or...

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or...

Corrosion resistant leakproof plastic manhole system

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Cover assembly for a ground opening

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Cover for closing surface disposed utility access opening

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or...

Cover system for septic tank

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Covering for a ground opening

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or...

Debris cap mechanism for a subsea wellhead

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Device for closing a frame having a panel articulated on the...

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Device for equalizing changes in level between a ground area...

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Device for housing the active and passive junction assemblies of

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Drain and inspection manhole for liquid conduits and manhole sec

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or...

Drain board for gutter

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Drain hole seal with bottom bleeder

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Floor hatch

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Floor hatch with integrated security fence

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – Masonry or concrete

Form for a mortar cap

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – Masonry or concrete

Form for a mortar cap

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Frame mount latch assembly for subsurface aircraft servicing...

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Fuel tank sump containment apparatus

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole

Gate valve box sealing