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 and system for updating device management application meter read logic
Method and apparatus for connecting to external device
Separate matching models based on type of phone associated with a caller
Composition for enhancing memory and mitigating neurodegeneration and method thereof
Method and device for monitoring and analyzing signals
Tube lighting fixture
Switching module and switching synchronization system
  Randomly Featured Patents
Serpentine fin heat exchanger
Soft hand and wrist splint
Timer synchronizing device and initializing method for use in ring communication path
Load port opener
Dynamically computing reputation scores for objects
Damascene method employing multi-layer etch stop layer
Device for simultaneously measuring particle or quantum beams from many samples at once
Device for applying foamed hot melt adhesive, and method for selectively applying foamed hot melt adhesive and solid hot melt adhesive
Crosstalk-aware timing analysis
Methods for applying solution catalysts to reactor surfaces