Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 405/148
Name: Hydraulic and earth engineering > Underground passageway, e.g., tunnel > Boring > Work platform
Description: Method or apparatus wherein an artificial support for equipment or personnel is provided.










Patents under this class:

Patent Number Title Of Patent Date Issued
8591151 Forming a shaft for an underground mine Nov. 26, 2013
8485608 Heading or extraction machine Jul. 16, 2013
7156582 Inspectable tunnel for underground pipes and cables Jan. 2, 2007
6698978 Rock drilling rig Mar. 2, 2004
5302052 Underground work chamber assembly and method for the construction thereof Apr. 12, 1994
4986374 Apparatus for driving an upwardly directed shaft in rock Jan. 22, 1991
4913587 Form assembly for making covering wall of tunnel made by shield type excavator Apr. 3, 1990
4818025 Narrow opening mechanical miner Apr. 4, 1989
4280771 Apparatus for distributing concrete, especially in the shuttering of gallery linings in mine and tunnel workings Jul. 28, 1981
4051682 Method for installing ceiling panels in a tunnel Oct. 4, 1977
3970200 Gantry Jul. 20, 1976











 
 
  Recently Added Patents
Reflective mask blank and method of manufacturing a reflective mask
Nonvolatile memory device
Color image display device, color filter substrate, color pixel array substrate, and electronic device
Container pack
Communication apparatus and communication system
Etching composition
Client network device and method for adjusting parameters of client traffic windows based on discovery of other network devices
  Randomly Featured Patents
Photolithography alignment mark manufacturing process in tungsten CMP metallization
Foldable container having display portion acting as source indicia
Fenofibrate pharmaceutical composition having high bioavailability and method for preparing it
Method of forming layers of getter material on glass parts
Non-planar field emission device having an emitter formed with a substantially normal vapor deposition process
Metal/ceramic bonding article and method for producing same
Dispenser including array of liquid dispensing elements
Wheel for air or gas filled tires for motor vehicles
Stiffening support for printed circuit assemblies
Method for starting continuous casting in continuous slab casting and method for setting a dummy bar prior to the start of casting of continuous slab casting