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
Antibodies to non-functional P2X.sub.7 receptor
Preparation process of transition metal boride and uses thereof
Pointer display device, pointer display/detection method, pointer display/detection program and information apparatus
Image forming apparatus
Lighting control device and lighting control method
Variable month cross-platform photo calendar builder
Mixed reactant flow-by fuel cell
  Randomly Featured Patents
Maleimide resin with cyanurate core
Integral dome and collar electrical connector
.alpha.-aryl-N-alkylnitrones and pharmaceutical compositions containing the same
Photosensitive material processing apparatus which ensures a satisfactorily determined frame boundary
Tape drive
.alpha.-Aminomethylbenzyl alcohol derivatives
Benzimidazole thiophene compounds
Receptacle for foodstuffs and the like
Flow control method for ABR service in an asynchronous transfer mode network
Housing for optical components