Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 212/39A
Name: Traversing hoists >

Sub-classes under this class:

Class Number Class Name Patents
212/166 Closure remover 45
212/167 With haul-in line 20
212/168 With means to project load engager beyond end of boom 25
212/169 Ground wheel operated 0
212/170 Having clutch or variable speed transmission 3
212/175 Having means facilitating assembly or disassembly 85
212/195 Having counterweight or counterbalancing means 118
212/199 Having boom shiftable vertically along a linear path 15
212/223 Having horizontally swinging boom or bridge 32
212/255 Having vertically swinging boom 33
212/270 Methods 146
212/271 Miscellaneous 54
212/272 Having means to prevent or dampen load oscillations 56
212/276 Having random condition sensor combined with an indicator or alarm or controlling means or disabling means 117
212/282 With mechanical indicator 20
212/284 With motor control 41
212/291 Having operator support or cab 44
212/292 Boom position lock 84
212/293 Having snubber or boom backswing stop 15
212/294 Adjustable to transport or nonuse position (e.g., collapsible) 87
212/307 Ship mounted or floating (e.g., a crane fixed to a platform adapted to float) 58
212/312 Traveling bridge 83
212/347 Boom or mast 98
212/71 Overhead 30
212/901 Dolley-type cranes 66

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Method of manufacturing semiconductor device
Efficiently emulating computer architecture condition code settings without executing branch instructions
Communication apparatus, power supply control method, display apparatus, communication method, and computer program product
Mobile device case with storage compartment
Image sensor pixels with junction gate photodiodes
Information display device and program storing medium
Node and wireless sensor network comprising the node
  Randomly Featured Patents
System and method for managing resource loading in a multilingual user interface operating system
Snubber for a hydraulic cylinder
Device for at least one milking stall and a parlor comprising a plurality of milking stalls
Process for protecting optical properties of a thermal control
Method and apparatus for automatic cleaning and enhancing of scanned documents
Burner with atomizer
Isoreticular metal-organic frameworks, process for forming the same, and systematic design of pore size and functionality therein, with application for gas storage
Method of producing epitaxial substrate with gettering for solid-state imaging device, and method of producing solid-state imaging device using same substrate
Rotating camera attachment
Hollow track ball and method for manufacturing same