Resources Contact Us Home
Browse by Category: Main > Tools & Hardware
Class Information
Number: 51/381
Name: Abrasive tool making process, material, or composition >

Sub-classes under this class:

Class Number Class Name Patents
51/293 Miscellaneous 792
51/294 Bag or filled cloth 39
51/295 Impregnating or coating an abrasive tool 1,026
51/296 Pore forming 145
51/297 Laminating 256
51/298 With synthetic resin 932
51/299 With rubber or reaction product thereof 49
51/300 With natural resin or reaction product thereof 22
51/301 With protein or reaction product thereof 15
51/302 With carbohydrate or reaction product thereof 29
51/304 With fats, fatty oils or fatty oil acids and salts thereof 45
51/305 With ester-type wax, bituminous material, or tarry residue 19
51/306 With hydrocarbon 76
51/307 With inorganic material 1,712

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Interruption of write memory operations to provide faster read access in a serial interface memory
Thermal agglomeration of toner in laser cartridges to aid recycling
Protein matrix vaccines and methods of making and administering such vaccines
Electrical connector tab
Vehicle for towing an airplane
Short-acting benzodiazepine salts and their polymorphic forms
Localized biasing for silicon on insulator structures
  Randomly Featured Patents
Ink cartridge
Laptop computer bin assembly for a worksurface
Percutaneous methods and apparatus for creating native tissue venous valves
Apparatus and method for applying and adjusting an anchoring device
Primary standard and method of making secondary standards for calibration of glycated protein assays
Cable safety climb adapter bracket
Endotracheal tube adaptor
Multi-purpose fuel efficient portable stove/heater
Introducer sheath stabilizer
Hand-held electronic device