Mining Or In Situ Disintegration Of Hard Material Patents (Class 299)
- Remote control (Class 299/30)
- Stepper-type advance-causing means (Class 299/31)
- With mine roof-supporting means (Class 299/33)
- Cutting kerfs to form block (Class 299/63)
- Cutter attached to endless chain or cable (e.g., planer type) (Class 299/34.01)
- Wire saw-type cutter (Class 299/35)
- Floor-working (Class 299/36.1)
- Sidewall-working (e.g., longwall cutter) (Class 299/42)
- Rotary cutter head with advance direction coincident or parallel to rotary axis (Class 299/55)
- With material-handling means (Class 299/64)
- Percussive-type cutter (Class 299/69)
- Relatively shiftable cutters (Class 299/71)
- Shiftable to operate in vertical or horizontal cutter tooth orbit (Class 299/72)
- Cutter shiftable horizontally (Class 299/73)
- Cutter shiftable vertically (Class 299/76)
- Horizontal cutter tooth orbit (Class 299/77)
- Vertical cutter tooth orbit (Class 299/78)
- Plural heads moving relative to each other (Class 299/85.1)
- Adjustable head (Class 299/80.1)
- Cleansing fluid passage (Class 299/81.1)
- Endless-chain type head (Class 299/82.1)
- Adjustable tooth (Class 299/85.2)
- Tooth mounted on helical head portion or head with helical conveying portion (Class 299/87.1)
- Percussive tooth or bit (Class 299/100)
- Plural cutting edges on tooth, pick, or bit (Class 299/101)
- Clamped tooth holder or tooth mount (Class 299/102)
- Clamped tooth (Class 299/103)
- Wear shield or replaceable wear sleeve (Class 299/104)
- Wear resistant feature for tool body (e.g., hard facing) (Class 299/105)
- Rolling or rotatable-type bit mount (Class 299/106)
- Planar type bit mount (Class 299/108)
- Rolling or rotatable bit (Class 299/110)
- Planar type bit (Class 299/112R)
- Insert or tip mounting feature (e.g., soldering, brazing, friction or interference fit) (Class 299/113)
