Norton Company
429Patents
1Active
429Granted
43Portfolio score
Filing activity: Oct 24, 1967 → Feb 15, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4623364A | Abrasive material and method for preparing the same | Chemistry; Metallurgy | 465 | Expired |
| US4997461A | Nitrified bonded sol gel sintered aluminous abrasive bodies | Chemistry; Metallurgy | 360 | Expired |
| US4642126A | Coated abrasives with rapidly curable adhesives and controllable curvature | Chemistry; Metallurgy | 303 | Expired |
| US5011514A | Cemented and cemented/sintered superabrasive polycrystalline bodies and methods of manufacture thereof | Mechanical Engineering; Lighting; Heating | 293 | Expired |
| US5014468A | Patterned coated abrasive for fine surface finishing | Performing Operations; Transporting | 261 | Expired |
| US5090968A | Process for the manufacture of filamentary abrasive particles | Performing Operations; Transporting | 250 | Expired |
| US4943488A | Low pressure bonding of PCD bodies and method for drill bits and the like | Emerging Cross-Sectional Technologies | 239 | Expired |
| US5030276A | Low pressure bonding of PCD bodies and method | Performing Operations; Transporting | 235 | Expired |
| US4311489A | Coated abrasive having brittle agglomerates of abrasive grain | Chemistry; Metallurgy | 224 | Expired |
| US5096465A | Diamond metal composite cutter and method for making same | Chemistry; Metallurgy | 214 | Expired |
| US5203886A | High porosity vitrified bonded grinding wheels | Chemistry; Metallurgy | 200 | Expired |
| US5738696A | Method for making high permeability grinding wheels | Performing Operations; Transporting | 193 | Expired |
| US5009676A | Sintered sol gel alumina abrasive filaments | Chemistry; Metallurgy | 192 | Expired |
| US5116568A | Method for low pressure bonding of PCD bodies | Performing Operations; Transporting | 192 | Expired |
| US5227104A | High solids content gels and a process for producing them | Chemistry; Metallurgy | 187 | Expired |
| US5131926A | Vitrified bonded finely milled sol gel aluminous bodies | Chemistry; Metallurgy | 185 | Expired |
| US5151107A | Cemented and cemented/sintered superabrasive polycrystalline bodies and methods of manufacture thereof | Performing Operations; Transporting | 175 | Expired |
| US5035723A | Bonded abrasive products containing sintered sol gel alumina abrasive filaments | Performing Operations; Transporting | 164 | Expired |
| US5049164A | Multilayer coated abrasive element for bonding to a backing | Chemistry; Metallurgy | 163 | Expired |
| US4960441A | Sintered alumina-zirconia ceramic bodies | Chemistry; Metallurgy | 162 | Expired |
| US4457767A | Alumina-zirconia abrasive | Chemistry; Metallurgy | 158 | Expired |
| US5000273A | Low melting point copper-manganese-zinc alloy for infiltration binder in matrix body rock drill bits | Fixed Constructions | 152 | Expired |
| US5863306A | Production of patterned abrasive surfaces | Performing Operations; Transporting | 149 | Expired |
| US4657754A | Aluminum oxide powders and process | Chemistry; Metallurgy | 147 | Expired |
| US5129919A | Bonded abrasive products containing sintered sol gel alumina abrasive filaments | Performing Operations; Transporting | 139 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.