Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 212/39A
Name: Traversing hoists >
Description:










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
Dynamic association and disassociation of threads to device functions based on requestor identification
Method for determining a corrected variance representative of the condition of reception of signals representative of symbols
Bicyclic azaheterocyclic carboxamides
Cooler
Epoxy composition for encapsulating an optical semiconductor element
Data architecture and user interface for plasma processing related software applications
Managing distributed applications using structural diagrams
  Randomly Featured Patents
Therapeutic suppression of specific immune responses by administration of antigen-competitive conjugates.
Process for the reductive alkylation of normorphinans
Method of resource control in a wireless network
Nonvolatile semiconductor memory device
Method and apparatus for manufacturing a pack for flowable contents
Package of tape
Processing an information carrying signal
Structure of fiber optics decoration
Weft thread laying apparatus
Water decontaminating device