E21F 11 - Rescue devices or other safety devices, e.g. safety chambers, escape ways

Patents for E21F 11 - Rescue devices or other safety devices, e.g. safety chambers, escape ways (2,410)
03/1983
03/15/1983	US4376550 Vehicle canopy
10/1982
10/12/1982	US4353292 Assembly for storing and facilitating application of breathing devices
05/1981
05/05/1981	US4265353 Capsule apparatus for transporting a disabled person
03/1981
03/10/1981	US4254994 Method of an apparatus for gaining access to an underground chamber
04/1980
04/08/1980	US4196656 Method and apparatus for transporting and housing tunnel workers active in high pressure environments
12/1979
12/18/1979	US4179160 Mine life line system
11/1979
11/06/1979	US4173371 Combination cab and canopy for mine roof bolting machine
08/1979
08/28/1979	US4165738 Life support system for drilling rigs
03/1979
03/20/1979	US4144801 Method and apparatus for transporting and housing tunnel workers active in high pressure environments
12/1977
12/27/1977	US4065167 Safety enclosure for mining machines