Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 37/DIG.20
Name: Excavating >
Description:










Sub-classes under this class:

Class Number Class Name Patents
37/104 Railway graders 136
37/142.5 Ditch filler 116
37/182 Orange-peel buckets 2
37/189 Rotary digger 142
37/195 Processes 201
37/196 Snow or ice removing or grooming by portable device 34
37/3 Peat excavators 10
37/300 Grave digger 9
37/301 Land clearer 43
37/304 Self-loading vehicle 19
37/307 Beneath a body of water (e.g., dredger) 47
37/347 Ditcher 65
37/381 Road grader-type 22
37/394 Cable-operated (e.g., dragline) 22
37/403 Combined or convertible 307
37/411 Scoop or excavating and transporting container 44
37/446 Digging edge 78
37/461 Clamshell bucket 28
37/462 Endless digger 37
37/466 Miscellaneous 98
37/901 Bucket cleaners 38
37/902 Hydraulic motors 16
37/903 Scoop or scraper attachments 187
37/904 Vibration means for excavating tool 84
37/905 Nondredge excavating by fluid contact or explosion 19
37/906 Visual aids and indicators for excavating tool 20
37/907 Automatic leveling excavators 56
37/908 Canal cleaners 6


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Antibodies to Clostridium difficile toxins
Leaky wave mode solar receiver
Digital microwave radio link with adaptive data rate
Enabling improvement in cellular network coverage
Porous polymeric resins
Device and process for isolating and cultivating live cells on a filter or extracting their genetic material
Optical fixing device and image forming apparatus
  Randomly Featured Patents
Resin structure and use thereof
Semiconductor integrated circuit device and data processor system
Method of determining the thermal resistivity of electrically insulating crystalline materials
Coin-operated bank
Swim fin
Hose assembly
Water pump
Compound curvature, domical structure for waste-to-energy facilities
Modified and robust self-aligning contact process
Asymmetric bevel corrugated fastener