Patent assignee · CH · COMPANY

Santrade, Ltd

165Patents
0Active
165Granted
42Portfolio score

Filing activity: Jan 9, 1980 → Feb 4, 2004

Most-cited patents

PatentTitleAreaCited byStatus
US4707384A Method for making a composite body coated with one or more layers of inorganic materials including CVD diamond Emerging Cross-Sectional Technologies 251 Expired
US4743515A Cemented carbide body used preferably for rock drilling and mineral cutting Emerging Cross-Sectional Technologies 171 Expired
US4734339A Body with superhard coating Chemistry; Metallurgy 112 Expired
US4681488A Cutting insert Emerging Cross-Sectional Technologies 69 Expired
US4619866A Method of making a coated cemented carbide body and resulting body Emerging Cross-Sectional Technologies 67 Expired
US5013498A Method and apparatus for producing pastilles Emerging Cross-Sectional Technologies 66 Expired
US4843039A Sintered body for chip forming machining Emerging Cross-Sectional Technologies 61 Expired
US4820482A Cemented carbide body with a binder phase gradient and method of making the same Performing Operations; Transporting 60 Expired
US4399168A Method of preparing coated cemented carbide product Chemistry; Metallurgy 59 Expired
US4648760A Drill and cutting insert therefor Emerging Cross-Sectional Technologies 53 Expired
US4744704A Drill Emerging Cross-Sectional Technologies 53 Expired
US5775380A Warp beam replacement and threading apparatus Textiles; Paper 51 Expired
USRE35538E Sintered body for chip forming machine General 40 Expired
US4801224A Tool and insert for chip removal Emerging Cross-Sectional Technologies 38 Expired
US4440244A Drill tool Fixed Constructions 38 Expired
US4531864A Cutting insert Emerging Cross-Sectional Technologies 38 Expired
US4818635A Nitride-based ceramic material Mechanical Engineering; Lighting; Heating 37 Expired
US5161859A Excavating tool cutting insert Fixed Constructions 31 Expired
US5770235A Drop forming drum for the manufacture of pastilles Performing Operations; Transporting 30 Expired
US4450016A Method of manufacturing cladding tubes of a zirconium-based alloy for fuel rods for nuclear reactors Emerging Cross-Sectional Technologies 30 Expired
US4770259A Drill tool Fixed Constructions 29 Expired
US4798635A Ferritic-austenitic stainless steel Chemistry; Metallurgy 28 Expired
US4497660A Cemented carbide Chemistry; Metallurgy 28 Expired
US4687368A Thread structure for percussion rock drilling Emerging Cross-Sectional Technologies 27 Expired
US4632608A Cutting insert Emerging Cross-Sectional Technologies 27 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.