Resources Contact Us Home
Browse by Category: Main > Tools & Hardware
Class Information
Number: 51/219R
Name: Abrasive tool making process, material, or composition >

Sub-classes under this class:

Class Number Class Name Patents
51/293 Miscellaneous 800
51/294 Bag or filled cloth 40
51/295 Impregnating or coating an abrasive tool 1,031
51/296 Pore forming 145
51/297 Laminating 262
51/298 With synthetic resin 935
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 30
51/304 With fats, fatty oils or fatty oil acids and salts thereof 46
51/305 With ester-type wax, bituminous material, or tarry residue 20
51/306 With hydrocarbon 76
51/307 With inorganic material 1,737

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Adaptive period network session reservation
Single-wavelength correction method for luminescent homogeneous biological assay
Systems and methods for cryopreservation of cells
Sweetener compositions having enhanced sweetness and improved temporal and/or flavor profiles
Table base
Buildable dinnerware
Air-fuel ratio control apparatus for an internal combustion engine
  Randomly Featured Patents
Drain extended PMOS transistors and methods for making the same
Serving platter
Image pick up apparatus
Current reference circuit for current-mode read-only-memory
Energy management method and apparatus
Removal of alkali metal methoxide catalyst residue from hydroxy-terminated conjugated diene polymers
Method of manufacturing a rotary anode for X-ray tubes and anode thus produced
Systems for anchoring structural members
Chrysanthemum plant named Mystic
System for generating an angular rate signal from an angular position signal utilizing a constant amplitude-variable carrier phase signal