Floor scraping machine with floating blade
Floor-stripping tool
Flooring remover
Fluid actuated apparatus for mechanically splitting rock-like ma
Fluid actuated apparatus for mechanically splitting rock-like ma
Fluid control system for roadway grooving apparatus
Fluid jet method and device for breaking hard material
Fluid operated wall groove cutter
Fluid outlet at the bottom of an in situ oil shale retort
Fluid supply duct and pickup for mining machines
Fluid supply for rotary cutter heads for mining machines
Fluid supply system for rotary cutter heads for mining equipment
Fluid supply system to rotary cutter heads on mining machines
Fluid supply systems for rotary cutter heads for mining machines
Flywheel for a construction machine
Foam process for recovering underground rock fragments
Force transmitting housing for longwall mining machine
Formation of an in situ oil shale retort with control of moundin
Formation of in situ oil shale retort in plural steps
Formation of in situ oil shale retort with void at the top