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... – With additional enclosure structure; e.g. – manhole

Manhole water seal-cap/diverter

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

Manhole-pit lining and method of making and installing same

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

Method and apparatus for lining manhole assemblies and the like

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

Method and apparatus for lining manhole assemblies and the like

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

Method and apparatus for lining manholes

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

Method for manufacturing a ready-to-use catch pit

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

Methods of installing frames for access pits and manholes

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

Multipocket means for holding insulation to prevent heat loss th

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

Pit cover assembly with flood protection

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

Pre-cast units for sewer construction

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

Precast concrete manhole adjustable bolt slot assembly for secur

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

Precast, prestressed concrete secondary containment vault

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

Preformed manhole base section construction

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

Quick opening internal manway for towers

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

Rapidly adjustable man-hole cover seat

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

Recessed plaster collar assembly

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

Recessed plaster collar assembly

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

Removable hatch structure for automobiles

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

Replacement manhole cover assembly